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Issue 2021 Volume XVII No. 2

1. Assessment of the Water Use Efficiencies of Selected Laterals and Paddy Fields at the Upper Pampanga River Integrated Irrigation System

 Roger A. Luyun, Jr., John Ruzzel M. Galoso, Rosa B. Delos Reyes, and Maurice A. Duka

2. Comparative Study on Conventional and Microwave-Assisted Ethanol Extraction of Phenolics and Flavonoids from Waste Onion Leaves

  Audrey Dianne G. Mangilet, Jewel A. Capunitan, Myra G. Borines, Rex B. Demafelis, Lisa Stephanie H. Dizon, and Rona Joyce B. Landoy

3. Effects of the Extensive Use of Mechanization on Farm Labor Use and Patterns in Rice and Corn Production Systems in the Philippines

 Victor A. Rodulfo, Jr., Alexis C. del Rosario, Maria Victoria L. Larona, Alfrederick D. Salandanan, Mary Grace O. Bautista, and Nelson Jose Vincent B. Querijero

4. Low-Cost Artificial Potato for Impact Force and Vibration Measurements

  Renmar James P. Dacones, Engelbert K. Peralta, Delfin C. Suministrado, and Kevin F. Yaptenco

Issue 2021 Volume XVII No. 1

1. Development of an Automated Drinking System Using Microcontroller for Broiler Production

 Debbie Butch R. Pequeña, Arthur L. Fajardo, Omar F. Zubia, and Roger A. Luyun, Jr.

2. Design, Development, and Evaluation of Seaweed Drying Technology for Village Level Operation

    Ronel S. Pangan, Mel Vincent A. Ampo, and Ynno E. Barredo

3. Determination of the Physical and Mechanical Properties of Turmeric (Curcuma longa L.)

   Jose D. de Ramos, Marife R. Santiago, Roselle P. Barreto, Niña Mae G. Talaro, and Jessica R. Cullat

4. Assessment of Nutrient Status of Lowland Irrigated Rice (Oryza sativa L.) using Low Altitude Remote Sensing

   Cherry Mae C. Cuevas, Ronaldo B. Saludes, Moises A. Dorado, and Pompe C. Sta. Cruz

5. Design and Evaluation of a Machine Vision System and Mechatronic Drive for Pneumatic Seed Meter for Corn

Adrian A. Borja, Rossana Marie C. Amongo, Jaderick P. Pabico, and Delfin C. Suministrado

Issue 2020 Volume XVI No. 2

1. Gas Transmission Rates of Mango (Mangifera indica L. ‘Carabao’) Peel as Affected by Chitosan-Nanosilica Composite Fruit Coating

  Ma. Camille G. Acabal, Kevin F. Yaptenco, Jessie C. Elauria, and Elda B. Esguerra

 

2. Site Suitability Analysis of Small Water Impounding Projects (SWIPs) in CALABARZON Region Using GIS-Based Water Resources Assessment

    Rossana Marie C. Amongo, Ronaldo B. Saludes, Roger A. Luyun, Jr., Patrick Lemuel P. Relativo, Maria Victoria L. Larona, Ronnie C. Valencia, Ria Salustia dG. Duminding, Michel G. Acosta, Kobe Conrad R. Abellera, John Carlo L. Navasero, and Romel A. Arrobang.

 

3. Varietal Classification of Selected Green Coffee Beans (Coffea arabica L. and Coffea canephora Pierre ex A.Froehner) Using Image Processing Software

   Katrina Nicole M. Lumagui, Luther John R. Manuel, Erwin P. Quilloy, and Kevin F. Yaptenco.

 

4. Prediction of Moisture and Caffeine Contents of the Roasted Coffee Beans (Coffea liberica Hiern) Using NIRS and PLSR-MLR Models

   Arnel R. Feraer, Engelbert K. Peralta, Erwin F. Quilloy, Delfin F. Suministrado, Paul R. Armstrong, and Kevin F. Yaptenco.

 

5. Non-Destructive Prediction of Paddy Seed Quality Using Near Infrared Spectroscopy

Fidelina T. Flores, Joanne P. Foliente, Kevin F. Yaptenco, and Paul R. Armstrong.

 

Issue 2020 Volume XVI No. 1

1. Soil-to-Metal Friction, Soil Adhesion and Characterization of Nanosilica-Enhanced Coating Material for Cold-Rolled Steel

  Job Jonas C. Ruzgal, Delfin C. Suministrado, Rossana Marie C. Amongo, Engelbert K. Peralta, Cesar B. Quicoy, and Milagros M. Peralta

2. Effects of Microwave Vacuum Pressure on Drying Curve and Bioactive Compounds of African Night Crawler (Eudrilus eugeniae Kinberg)

    Alfredo F. Fortu Jr., Ernesto P. Lozada, Engelbert K. Peralta, Kevin F. Yaptenco, and Delfin C. Suministrado

 

3. Effects of Maturity, Dipping Time, and Drying Method on Selected Physical and Mechanical Properties of Dried Saba (Musa acuminate x balbisiana) Leaves as Packaging Material

   Rachele Janice C. Ramirez, Fidelina T. Flores, Luther John R. Manuel, and Ma. Camille G. Acabal

 

4. Ammonium Adsorption Characteristics of Jasaan Clay Soils Under Conservation Agriculture and Conventional Plow-Based Production Systems

   Astrid Audrey S. Sevilla and Victor B. Ella

5. Determination of Rice Crop Coefficient Using Modified Microlysimeter

Roger A. Luyun, Jr. , John Ruzzel M. Galoso, Rosa B. Delos Reyes, and Jeffrey A. Gonzales

Issue 2019 Volume XV No. 2

 

1. Rapid Differentiation of Commercially-Available Soy Sauces using Near-Infrared Spectroscopy

   Jeric H. Rosales, Kevin F. Yaptenco, Mae Joanne B. Aguilla, and Paul R. Armstrong

2. Development of a Fry Counter Software for Striped Catfish [Pangasianodon hypophthalmus (Sauvage)]

    Luther John R. Manuel, Pepito M. Bato, Rossana Marie C. Amongo, Delfin C. Suministrado, and Kevin F. Yaptenco

3. Machine Vision System for Size Classification of Potatoes (Solanum tuberosum L.)

   Erwin P. Quilloy, Paolo Rommel P. Sanchez, Luther John R. Manuel, and Eunice M. Renovalles

4. Determination of Site-Specific Crop Coefficients of Corn (Zea mays)

   Jeffrey A. Gonzales, Roger A. Luyun, Jr., Rosa B. De Los Reyes, and Ruzzel M. Galoso

5. Utilization of Established Protocol in Identifying Potential Sites for Small Farm Reservoirs in Quezon Province, Philippines Using GIS-Based Water Resources Assessment

    Rossana Marie C. Amongo, Ronaldo B. Saludes, Roger A. Luyun, Jr., Patrick Lemuel P. Relativo, Maria Victoria L. Larona, Ronnie C. Valencia, Michel G. Acosta, Kobe Conrad R. Abellera, John Carlo L. Navasero, and Ria Salustia dG. Duminding.

 

Issue 2019 Volume XV No. 1

 

1. Effect of Lug Angle, Forward and Shaft Speeds, and Number of Passes on Puddling Characteristics and Performance of the Tilling Wheel of          Float-Assisted Tiller

   Arthur L. Fajardo and Delfin C. Suministrado

2. Laboratory-Scale Investigation of Recharge Wells for Groundwater Storage

    Roger A. Luyun, Jr., Arthur L. Fajardo, Rosa B. de los Reyes, Christine P. Bumanglag, and Joselle R. Luna

3. Characterization of Coconut (Cocos nucifera) Husk and Shell for Gasification: A Study on Fouling and Slagging Tendencies

  Keynty Boy V. Magtoto, Toni-An Mae C. Salcedo, Rossana Marie C. Amongo, and Sergio C. Capareda

4. Biomass Characterization of Pigeon Pea (Cajanus cajan) Wood for Thermochemical Conversion

   Mari Rowena C. Tanquilut, Jessie C. Elauria, Rossana Marie C. Amongo,Delfin C. Suministrado, Kevin F. Yaptenco, and Marilyn M. Elauria

5. Effects of Varying Binder Types and Binder Percentages on Mango (Mangifera indica L.) Seed Husk Briquettes

    Rina A. Bawar

6. Determination of Oxygen and Carbon Dioxide Gas Transmission Rates  of Mango (Mangifera indica L. cv ‘Carabao’) Peel Using Exponential Decay Method and Respiration Mass Balance

Fidelina T. Flores, Kevin F. Yaptenco, and Edralina P. Serrano

Issue 2018 Volume XIV

1. Optimization of Thermoelectric Cooler (TEC)-Cooled Closed-End Oscillating Heat Pipe Charged with Degassed, Deionize Water

    Leandro T. De Castro and Rizalinda L De Leon

2. Determining the Effect of Climate Change on Seasonal Crop Water Requirements of Irrigated Lowland Rice (Oryza sativa) Under Different Climatic Environments

Cyra Gail P. Fernandez, Ronaldo B. Saludes, Moises A. Dorado and Pompe C. Sta Cruz

3. Product Recovery After Processing and Drying of Philippine Sandfish (Holothuria scabia) into Trepang

    Sharmaine N. Pardua, Emmanuel Lee O. Lapitan, Jeremy Deanon, Jonnel Andrew C. Duque, Ronel S. Pangan and Kevin F. Yaptenco

4. Improved Quality of Dried Philippine Sandfish (Holothuria scabdraI) using a Combination of Hot-Ari Drying and Solar Drying

    Mark Jude F. Trondillo, Kevin F. Yaptenco, Engelbert K. Peralta and Ernesto V. Carpio

5. Level of Agricultural Mechanization in Oriental Mindoro, Laguna nad Quezon, Philipines Using the Modified Agricultural Mechanization Index for Lowland Rice

    Rossana Marie C. Amongo, Mark Keylord S. Onal. Maria Victoria L. Larona, Arthur L. Fajardo, Clarissa Ileana L. Ilao, Gherlee L. Lalap, Adrian A. Borja, Charlene Grave V. Deniega and                  Johanan V Sumague

6. The Effect of Evaporation Suppressant on Standing Water in the Ricefield and on the Growth and Yield Performance of Lowland Rice

    Rhuelyn A. Ballaran, Jim dela Cruz, Nerilyn J. Victoria, Vicente G. Ballanran Jr., Moises A. Dorado and Milagros M. Peralta.

Issue 2017 Volume XIII

 

1. Optimization of Parameters in the Production of Turmeric Powder Using a Hammer Mill-Type Pulverizer

    Jose D. de Ramos, Engelbert K. Peralta, Kevin F. Yaptenco, Delfin C. Suministrado and Marife R. Santiago

2. Development of an Alternative Technology Package for Processing Sea Cucumber

Ronel S. Pangan, Kevin F. Yaptenco, Sharmaine N. Pardua and Jonnel Andrew C. Duque

3. Passive Modified Atmosphere Packaging for Low Temperature Storage of White Flesh Variety Dragon Fruit (Hylocereus undatus (Haw) Brittor & Rose)

    Mary Louise P. Pascual, Engelbert K. Peralta, Kevin F. Yaptenco, Jessie C. Elauria and Elda B. Esguerra 

4. Fabrication, Calibration and Testing of a Transient Hot-Wire Thermal Conductivity Apparatus for Nanosilica-in-Fluid Dispersion (Nanofluids)

    Sheryl Lyn B. Flores, Adrian Augusto M. Sumalde, Ma. Cristine Conception D. Ignacio, John Paolo A. Ramoso and Aryan Paula A. Manalo

5. Diffusion and Utinization of UPLB Corn Mechanization Technologies in Masbate Province

    Rossana Marie C. Amongo, Kevin F. Yaptenco, Ronaldo B. Saludes, Maria Victoria L. Larona, Fernando O. Paras, Jr. Rosa B. De los Reyes, Marion Lux Y. Castro, Jose D. de Ramos,

Ronel S. Pangan, Victor A. Rodulfo, Jr., Erwin P. Quilloy, Mark Daniel G. Estrada and Ronnie V. Valencia

Issue 2015 Volume XI

 

1. Simulation of Complete Paddy Drying in a Laboratory Fluidized Bed Dryer

    Reagan J. Pontave and Romualdo C. Martinez

    Click here to read abstract

2. Puddling Performance of the Tilling Wheel of Float-Assisted Tillers at Different Lug Angle and Forward Speed

Arthur L. Fajardo, Delfin C. Suministrado, Engelbert K. Peralta, Pepito M. Bato and Eduardo P. Paningibatan Jr.

    Click here to read abstract

3. Development of a Batch-Type Hot Water Tank for Postharvest Disease Control For “Carabao” Mango and Other Crops

    Kevin F. Yaptenco, Jose D. de Ramos and Emmanuel Q. Amatorio

    Click here to read abstract

4. Some Visco-elastic Properties of Mango (Mangifera Indica L.) Fruit Under Dynamic Conditions

    Ben-Hur C. Rafosala and Engelbert K. Peralta

    Click here to read abstract

5. Development and Modification of a Single-Row Sugarcane Mechanical Planter

    Rex O. Yadao, Rossana Marie C. Amongo, Delfin C. Suministrado and Engelbert K. Peralta

    Click here to read abstract

Issue 2013 Volume X

 

1. Development of a Jeepney-Mounted Micro Wind Energy Conversion System (WECS) for Battery Charging Applications

   Mark Keylord S. Onal, Arsenio N. Resurreccion, Rossa Marie C. Amongo, Delfin C. Suministrado, Jessie C. Elauria and Elisa R. San Juan

    Click here to read abstract

2. Grading of Milled Rice (Oryza sativa) Using Machine Vision

     Paolo Rommel P. Sanches and Pepito M. Bato

    Click here to read abstract

3. Design and Testing of the AMDP Cassava Granulator

    Ronel S. Pangan, Arthur L. Fajardo, Jeremy Charles S. Deanon, Delfin C. Suministrado and Ralph Kristoffer B. Gallegos

    Click here to read abstract

4. Design of Low Head Microhydro System for Electric Power Generator

     Joan Cecila M. Catubig, Rossana Marie C. Amongo, Delfin C. Suministrado, Arnold R. Elepaño and Arsenio Resurreccion

    Click here to read abstract

5. Perception on Quality Attributes as Value-Drivers of Milled Rice in CALABARZON, Philippines

     Diana Marie R. De Silva, Roxanne B. Calibo, Victor A. Rodulfo Jr., Jewel Joanna S. Cabardo, Nanette A. Aquino and Kristina Concepcion Q. Sarao

    Click here to read abstract

Issue 2011 Volume IX

 

1. Digital Image Processing Algorithms for Banana  (Musa acuminata  ‘Lacatan’) Size Classification

    Marvin C. Petingco and Pepito M. Bato

    Click here to read abstract

2. Engine Performance and Exhaust Emissions from Small and Large Diesel Engines Using Soy Bean Oil Biodiesel and Blends

     Bjorn S. Santos and Sergio C. Capareda

    Click here to read abstract

3. Analysis on the Voltage Drop of Off-Grid Single Wire Earth Return (SWER) Distribution Line and its Potential Applications in a Micro-hydro System

    Roderick L. Catriz, Rossana Marie C. Amongo, Arthur L. Fajardo, and Chiliast B. Juan

    Click here to read abstract

4. Performance Evaluation of a Pico-hydro Power Unit

     Arthur L. Fajardo, Rossana Marie C. Amongo, Marvin C. Petingco and Maria Evic C. Panganiban 

    Click here to read abstract

5. Gas Transmission Rates of Unperforated and Perforated Polyethylene Films for Modified Atmosphere Packaging Applications

      Ibn Xavier R. Malilay, Kevin F. Yaptenco, Arnold R. Elepaño, and Edgardo V. Casas

    Click here to read abstract

Issue 2010 Volume VIII

 

1. Design, Fabrication and Performance Evaluation of a Batch-Type Coffee Roaster for Small-Scale Roasting

    Ruel M. Mojica, Engelbert K. Peralta and Jessie C. Elauria

    Click here to read abstract

2. Performance Evaluation of Banaba [Lagerstroemia speciosa (L.) Pers.] Leaf Extract Spray Drying

     Mari Rowena Castaneda-Tanquilut, Jessie C. Elauria, Engelbert K. Peralta, and Neil C. Tanquilut

    Click here to read abstract

3. Design and Preliminary Testing of a Garlic Planter

     Arnold F. Dumaoal and Pepito M. Bato

     Click here to read abstract

4. Anthropometry of Male Farmers in Laguna, Philippines and its Potential Applications in the Design of Agricultural Machines and Tools

    Omar F. Zubia, Delfin C. Suministrado, Arsenio N. Resurreccion, Rossana Marie C. Amongo, Fernando O. Paras Jr., and Marvin C. Petingco

    Click here to read abstract

5. Spatial and Temporal Variations of the La Niña Phenomenon in the Philippines

    Vicente G. Ballaran, Jr., Moises A. Dorado, Ronaldo B. Saludes and Romina Manalo-Bondad

    Click here to read abstract

Issue 2009 Volume VII

 

1. Design, Fabrication and Evaluation of a Direct-Fired Corncob Furnace for Corn Drying

   Jessie Pascual P. Bitog, Jessie C. Elauria, Arnold R. Elepano and Arsenio N. Resurreccion

    Click here to read abstract

2. Development of Lahar Filtration System for Recirculating Aquaculture System

    Rossana Marie C. Amongo, Arsenio N. Resurreccion, Victor B. Ella, Pepito M. Bato, Fernando O. Paras Jr, Omar F. Zubia and Edgardo V. Casas

    Click here to read abstract

3. Evaluation of the System Efficiencies of Different Pump-Primemover Combinations for Shallow Tubewell Irrigation

    Arthur L. Fajardo and Delfin C. Suministrado

    Click here to read abstract

4. Study of Some Parameters in the Biodiesel Production from Jatropha Oil Using Base Catalyzed Transesterification

     Rex B. Demafelis, Butch G. Bataller, Rafael Ray Adrian L. Cortado, Benjie P. Villacorte, Laura J. Pham, Emmanuel D. Revellame, Victor A. Rodulfo Jr, and Myra G. Borines

     Click here to read abstract

5. Studies on Engineering Properties of Red Seaweed (Kappaphycus spp.)

    Cherryflor R. Balingasa and Arnold R. Elepano

    Click here to read abstract

Issue 2008 Volume VI

 

1. Comparison of Spatial Interpolation Methods for Lithologic Characterization of Shallow Aquifer Systems

    Jonathan P. Aguilar and Wilfredo P. David

    Click here to read abstract

2. Predicting Copper Transport in an Undisturbed Calumpang Clay Soil Column using a Two-Region Contaminant Transport Model

     Nathaniel R. Alibuyog and Victor B. Ella

    Click here to read abstract

3. Effects of Partial Penetration on the Characteristic Well Losses of Naturally Developed Tubewells

     Roger A. Luyun, Jr. and Wilfredo P. David

     Click here to read abstract

4. Effects of Climatic Factors and Land Use on Runoff, Sediment Load, and Pesticide Loading in Upland Microcatchments in Bukidnon, Philippines

      Edward R. Lapong, Victor B. Ella, Manolo G. Villano, Pepito M. Bato 

     Click here to read abstract

5. The DA-UPLB Drilling Rid Model II

    Arthur L. Fajardo, Wilfredo P. David, Manolo G. Villano, Fernando Y. Paras, Sr. and Generoso R. Dimasuay

    Click here to read abstract

Issue 2007 Volume V

 

1. Technical Evaluation of Pneumatic Drying of Coconut (Cocos nucifera L.) Meat Particulates by modeling and Simulation Approach

    Victor A. Rodulfo, Jr. and Ernesto P. Lozada

    Click here to read abstract

2. Development of a Waste Aluminum and Tin Can Pressing Machine for Village Level Application

    Ronel S. Pangan, Arsenio N. Resurreccion, and Reynaldo I. Acda

    Click here to read abstract

3. Detection and Measurement of Surface Cracks in Concrete Structures using Image Processing

     Richelle Gallardo-Zafra and Yozo Fujino

    Click here to read abstract

4. Adaptation of Mini Rice Combine for Wetland Rice Fields

    Eulito U. Bautista, Phan Hieu Hien and Alfred Andrew Schmidley

    Click here to read abstract

Issue 2006 Volume IV

 

1. Assessment of Soil Loss, Sediment Yield and Water Quality of an Agricultural Watershed

    Leyma L. Cero and Victor S. Luis, Jr.

    Click here to read abstract

2. A Structural Analysis and Evaluation of Some Existing Greenhouses for Ornamental Crops in Selected Areas in the Philippines

    Marloe B. Sundo, Moises A. Dorado, and Ariel U. Glorioso

    Click here to read abstract

3. Technical Evaluation of a Tumble-Mix Contained Rapid Composting System in Composting Market Wastes

    Camilo A. Polinga and Arsenio N. Resurreccion

    Click here to read abstract

Issue 2005 Volume III

 

1. Cellulose Production by Acetobacter Xylinum Using Rotary Cylindrical Bioreactor

    Myra G. Borines, Wilfredo I. Jose, Wilfredo L. Barraquio, Rex B. Demafelis and Annalyn P. Rollon

    Click here to read abstract

2. Improvement and Tests of the UPLB Hand Tractor for Upland Tillage and Transport Operations1

    Fernando O. Paras, Jr., Arsenio N. Resurreccion, Delfin C. Suministrado, Pepito M. Bato and Omar F. Zubia

    Click here to read abstract

3. Potential Application of Machine Vision System in Rice Variety Identification

    Bernabe L. Paita

    Click here to read abstract

4. Early Crop Establishment of Rainfed Lowland Rice by Slit Seeding

    Herbert T. Manaligod

    Click here to read abstract

Issue 2002 Volume II

 

1. Fruit Ripening and Disease Control in Bananas and Mangoes by Hot Water Treatment

    Antonio L. Acedo Jr., Lilia L. Millan and Marilou M. Benitez

    Click here to read abstract

2. Applications of the Fast Fourier Transform to Determine the Onset, Duration, and Rainfall Depths of the Los Baños Wet Season

    Avelino M. Ramirez

    Click here to read abstract

3. A Comparison of Spatial Interpolation Techniques in Rainfall and Temperature Estimation

    Alejandro M. de Asis and Kenneth S. Artes

    Click here to read abstract

Issue 1999 Volume I

 

1. Kinetics of the apparent non-enzymic browning of potatoes

    Darwin A. Bicomong and Ponciano S. Madamba

    Click here to read abstract

2. Terrain Attributes as Predictors of Soil Moisture Distribution

     Larry C. Guerra

    Click here to read abstract

3. A GIS-Aided Soil Erosion potential-based solution to UP land Grant land allocation problem

    Alejandro M. de Asis

    Click here to read abstract

Issue 2021 Volume XVII No. 2

1. Assessment of the Water Use Efficiencies of Selected Laterals and Paddy Fields at the Upper Pampanga River Integrated Irrigation System

 Roger A. Luyun, Jr., John Ruzzel M. Galoso, Rosa B. Delos Reyes, and Maurice A. Duka

2. Comparative Study on Conventional and Microwave-Assisted Ethanol Extraction of Phenolics and Flavonoids from Waste Onion Leaves

  Audrey Dianne G. Mangilet, Jewel A. Capunitan, Myra G. Borines, Rex B. Demafelis, Lisa Stephanie H. Dizon, and Rona Joyce B. Landoy

3. Effects of the Extensive Use of Mechanization on Farm Labor Use and Patterns in Rice and Corn Production Systems in the Philippines

 Victor A. Rodulfo, Jr., Alexis C. del Rosario, Maria Victoria L. Larona, Alfrederick D. Salandanan, Mary Grace O. Bautista, and Nelson Jose Vincent B. Querijero

4. Low-Cost Artificial Potato for Impact Force and Vibration Measurements

  Renmar James P. Dacones, Engelbert K. Peralta, Delfin C. Suministrado, and Kevin F. Yaptenco

Issue 2021 Volume XVII No. 1
1. Development of an Automated Drinking System Using Microcontroller for Broiler Production

 Debbie Butch R. Pequeña, Arthur L. Fajardo, Omar F. Zubia, and Roger A. Luyun, Jr.

2. Design, Development, and Evaluation of Seaweed Drying Technology for Village Level Operation

    Ronel S. Pangan, Mel Vincent A. Ampo, and Ynno E. Barredo

3. Determination of the Physical and Mechanical Properties of Turmeric (Curcuma longa L.)

   Jose D. de Ramos, Marife R. Santiago, Roselle P. Barreto, Niña Mae G. Talaro, and Jessica R. Cullat

4. Assessment of Nutrient Status of Lowland Irrigated Rice (Oryza sativa L.) using Low Altitude Remote Sensing

   Cherry Mae C. Cuevas, Ronaldo B. Saludes, Moises A. Dorado, and Pompe C. Sta. Cruz

5. Design and Evaluation of a Machine Vision System and Mechatronic Drive for Pneumatic Seed Meter for Corn

Adrian A. Borja, Rossana Marie C. Amongo, Jaderick P. Pabico, and Delfin C. Suministrado

Issue 2020 Volume XVI No. 2

1. Gas Transmission Rates of Mango (Mangifera indica L. ‘Carabao’) Peel as Affected by Chitosan-Nanosilica Composite Fruit Coating

  Ma. Camille G. Acabal, Kevin F. Yaptenco, Jessie C. Elauria, and Elda B. Esguerra

 

2. Site Suitability Analysis of Small Water Impounding Projects (SWIPs) in CALABARZON Region Using GIS-Based Water Resources Assessment

    Rossana Marie C. Amongo, Ronaldo B. Saludes, Roger A. Luyun, Jr., Patrick Lemuel P. Relativo, Maria Victoria L. Larona, Ronnie C. Valencia, Ria Salustia dG. Duminding, Michel G. Acosta, Kobe Conrad R. Abellera, John Carlo L. Navasero, and Romel A. Arrobang.

 

3. Varietal Classification of Selected Green Coffee Beans (Coffea arabica L. and Coffea canephora Pierre ex A.Froehner) Using Image Processing Software

   Katrina Nicole M. Lumagui, Luther John R. Manuel, Erwin P. Quilloy, and Kevin F. Yaptenco.

 

4. Prediction of Moisture and Caffeine Contents of the Roasted Coffee Beans (Coffea liberica Hiern) Using NIRS and PLSR-MLR Models

   Arnel R. Feraer, Engelbert K. Peralta, Erwin F. Quilloy, Delfin F. Suministrado, Paul R. Armstrong, and Kevin F. Yaptenco.

 

5. Non-Destructive Prediction of Paddy Seed Quality Using Near Infrared Spectroscopy

Fidelina T. Flores, Joanne P. Foliente, Kevin F. Yaptenco, and Paul R. Armstrong.

 

Issue 2020 Volume XVI No. 1

1. Soil-to-Metal Friction, Soil Adhesion and Characterization of Nanosilica-Enhanced Coating Material for Cold-Rolled Steel

  Job Jonas C. Ruzgal, Delfin C. Suministrado, Rossana Marie C. Amongo, Engelbert K. Peralta, Cesar B. Quicoy, and Milagros M. Peralta

2. Effects of Microwave Vacuum Pressure on Drying Curve and Bioactive Compounds of African Night Crawler (Eudrilus eugeniae Kinberg)

    Alfredo F. Fortu Jr., Ernesto P. Lozada, Engelbert K. Peralta, Kevin F. Yaptenco, and Delfin C. Suministrado

 

3. Effects of Maturity, Dipping Time, and Drying Method on Selected Physical and Mechanical Properties of Dried Saba (Musa acuminate x balbisiana) Leaves as Packaging Material

   Rachele Janice C. Ramirez, Fidelina T. Flores, Luther John R. Manuel, and Ma. Camille G. Acabal

 

4. Ammonium Adsorption Characteristics of Jasaan Clay Soils Under Conservation Agriculture and Conventional Plow-Based Production Systems

   Astrid Audrey S. Sevilla and Victor B. Ella

5. Determination of Rice Crop Coefficient Using Modified Microlysimeter

Roger A. Luyun, Jr. , John Ruzzel M. Galoso, Rosa B. Delos Reyes, and Jeffrey A. Gonzales

Issue 2019 Volume XV No. 2

 

1. Rapid Differentiation of Commercially-Available Soy Sauces using Near-Infrared Spectroscopy

   Jeric H. Rosales, Kevin F. Yaptenco, Mae Joanne B. Aguilla, and Paul R. Armstrong

2. Development of a Fry Counter Software for Striped Catfish [Pangasianodon hypophthalmus (Sauvage)]

    Luther John R. Manuel, Pepito M. Bato, Rossana Marie C. Amongo, Delfin C. Suministrado, and Kevin F. Yaptenco

3. Machine Vision System for Size Classification of Potatoes (Solanum tuberosum L.)

   Erwin P. Quilloy, Paolo Rommel P. Sanchez, Luther John R. Manuel, and Eunice M. Renovalles

4. Determination of Site-Specific Crop Coefficients of Corn (Zea mays)

   Jeffrey A. Gonzales, Roger A. Luyun, Jr., Rosa B. De Los Reyes, and Ruzzel M. Galoso

5. Utilization of Established Protocol in Identifying Potential Sites for Small Farm Reservoirs in Quezon Province, Philippines Using GIS-Based Water Resources Assessment

    Rossana Marie C. Amongo, Ronaldo B. Saludes, Roger A. Luyun, Jr., Patrick Lemuel P. Relativo, Maria Victoria L. Larona, Ronnie C. Valencia, Michel G. Acosta, Kobe Conrad R. Abellera, John Carlo L. Navasero, and Ria Salustia dG. Duminding.

 

Issue 2019 Volume XV No. 1

 

1. Effect of Lug Angle, Forward and Shaft Speeds, and Number of Passes on Puddling Characteristics and Performance of the Tilling Wheel of          Float-Assisted Tiller

   Arthur L. Fajardo and Delfin C. Suministrado

2. Laboratory-Scale Investigation of Recharge Wells for Groundwater Storage

    Roger A. Luyun, Jr., Arthur L. Fajardo, Rosa B. de los Reyes, Christine P. Bumanglag, and Joselle R. Luna

3. Characterization of Coconut (Cocos nucifera) Husk and Shell for Gasification: A Study on Fouling and Slagging Tendencies

  Keynty Boy V. Magtoto, Toni-An Mae C. Salcedo, Rossana Marie C. Amongo, and Sergio C. Capareda

4. Biomass Characterization of Pigeon Pea (Cajanus cajan) Wood for Thermochemical Conversion

   Mari Rowena C. Tanquilut, Jessie C. Elauria, Rossana Marie C. Amongo,Delfin C. Suministrado, Kevin F. Yaptenco, and Marilyn M. Elauria

5. Effects of Varying Binder Types and Binder Percentages on Mango (Mangifera indica L.) Seed Husk Briquettes

    Rina A. Bawar

6. Determination of Oxygen and Carbon Dioxide Gas Transmission Rates  of Mango (Mangifera indica L. cv ‘Carabao’) Peel Using Exponential Decay Method and Respiration Mass Balance

Fidelina T. Flores, Kevin F. Yaptenco, and Edralina P. Serrano

Issue 2018 Volume XIV

1. Optimization of Thermoelectric Cooler (TEC)-Cooled Closed-End Oscillating Heat Pipe Charged with Degassed, Deionize Water

    Leandro T. De Castro and Rizalinda L De Leon

2. Determining the Effect of Climate Change on Seasonal Crop Water Requirements of Irrigated Lowland Rice (Oryza sativa) Under Different Climatic Environments

Cyra Gail P. Fernandez, Ronaldo B. Saludes, Moises A. Dorado and Pompe C. Sta Cruz

3. Product Recovery After Processing and Drying of Philippine Sandfish (Holothuria scabia) into Trepang

    Sharmaine N. Pardua, Emmanuel Lee O. Lapitan, Jeremy Deanon, Jonnel Andrew C. Duque, Ronel S. Pangan and Kevin F. Yaptenco

4. Improved Quality of Dried Philippine Sandfish (Holothuria scabdraI) using a Combination of Hot-Ari Drying and Solar Drying

    Mark Jude F. Trondillo, Kevin F. Yaptenco, Engelbert K. Peralta and Ernesto V. Carpio

5. Level of Agricultural Mechanization in Oriental Mindoro, Laguna nad Quezon, Philipines Using the Modified Agricultural Mechanization Index for Lowland Rice

    Rossana Marie C. Amongo, Mark Keylord S. Onal. Maria Victoria L. Larona, Arthur L. Fajardo, Clarissa Ileana L. Ilao, Gherlee L. Lalap, Adrian A. Borja, Charlene Grave V. Deniega and                  Johanan V Sumague

6. The Effect of Evaporation Suppressant on Standing Water in the Ricefield and on the Growth and Yield Performance of Lowland Rice

    Rhuelyn A. Ballaran, Jim dela Cruz, Nerilyn J. Victoria, Vicente G. Ballanran Jr., Moises A. Dorado and Milagros M. Peralta.

Issue 2017 Volume XIII

 

1. Optimization of Parameters in the Production of Turmeric Powder Using a Hammer Mill-Type Pulverizer

    Jose D. de Ramos, Engelbert K. Peralta, Kevin F. Yaptenco, Delfin C. Suministrado and Marife R. Santiago

2. Development of an Alternative Technology Package for Processing Sea Cucumber

Ronel S. Pangan, Kevin F. Yaptenco, Sharmaine N. Pardua and Jonnel Andrew C. Duque

3. Passive Modified Atmosphere Packaging for Low Temperature Storage of White Flesh Variety Dragon Fruit (Hylocereus undatus (Haw) Brittor & Rose)

    Mary Louise P. Pascual, Engelbert K. Peralta, Kevin F. Yaptenco, Jessie C. Elauria and Elda B. Esguerra 

4. Fabrication, Calibration and Testing of a Transient Hot-Wire Thermal Conductivity Apparatus for Nanosilica-in-Fluid Dispersion (Nanofluids)

    Sheryl Lyn B. Flores, Adrian Augusto M. Sumalde, Ma. Cristine Conception D. Ignacio, John Paolo A. Ramoso and Aryan Paula A. Manalo

5. Diffusion and Utinization of UPLB Corn Mechanization Technologies in Masbate Province

    Rossana Marie C. Amongo, Kevin F. Yaptenco, Ronaldo B. Saludes, Maria Victoria L. Larona, Fernando O. Paras, Jr. Rosa B. De los Reyes, Marion Lux Y. Castro, Jose D. de Ramos,

Ronel S. Pangan, Victor A. Rodulfo, Jr., Erwin P. Quilloy, Mark Daniel G. Estrada and Ronnie V. Valencia

Issue 2015 Volume XI

 

1. Simulation of Complete Paddy Drying in a Laboratory Fluidized Bed Dryer

    Reagan J. Pontave and Romualdo C. Martinez

    Click here to read abstract

2. Puddling Performance of the Tilling Wheel of Float-Assisted Tillers at Different Lug Angle and Forward Speed

Arthur L. Fajardo, Delfin C. Suministrado, Engelbert K. Peralta, Pepito M. Bato and Eduardo P. Paningibatan Jr.

    Click here to read abstract

3. Development of a Batch-Type Hot Water Tank for Postharvest Disease Control For “Carabao” Mango and Other Crops

    Kevin F. Yaptenco, Jose D. de Ramos and Emmanuel Q. Amatorio

    Click here to read abstract

4. Some Visco-elastic Properties of Mango (Mangifera Indica L.) Fruit Under Dynamic Conditions

    Ben-Hur C. Rafosala and Engelbert K. Peralta

    Click here to read abstract

5. Development and Modification of a Single-Row Sugarcane Mechanical Planter

    Rex O. Yadao, Rossana Marie C. Amongo, Delfin C. Suministrado and Engelbert K. Peralta

    Click here to read abstract

Issue 2013 Volume X

 

1. Development of a Jeepney-Mounted Micro Wind Energy Conversion System (WECS) for Battery Charging Applications

   Mark Keylord S. Onal, Arsenio N. Resurreccion, Rossa Marie C. Amongo, Delfin C. Suministrado, Jessie C. Elauria and Elisa R. San Juan

    Click here to read abstract

2. Grading of Milled Rice (Oryza sativa) Using Machine Vision

     Paolo Rommel P. Sanches and Pepito M. Bato

    Click here to read abstract

3. Design and Testing of the AMDP Cassava Granulator

    Ronel S. Pangan, Arthur L. Fajardo, Jeremy Charles S. Deanon, Delfin C. Suministrado and Ralph Kristoffer B. Gallegos

    Click here to read abstract

4. Design of Low Head Microhydro System for Electric Power Generator

     Joan Cecila M. Catubig, Rossana Marie C. Amongo, Delfin C. Suministrado, Arnold R. Elepaño and Arsenio Resurreccion

    Click here to read abstract

5. Perception on Quality Attributes as Value-Drivers of Milled Rice in CALABARZON, Philippines

     Diana Marie R. De Silva, Roxanne B. Calibo, Victor A. Rodulfo Jr., Jewel Joanna S. Cabardo, Nanette A. Aquino and Kristina Concepcion Q. Sarao

    Click here to read abstract

Issue 2011 Volume IX

 

1. Digital Image Processing Algorithms for Banana  (Musa acuminata  ‘Lacatan’) Size Classification

    Marvin C. Petingco, Pepito M. Bato

    Click here to read abstract

2. Engine Performance and Exhaust Emissions from Small and Large Diesel Engines Using Soy Bean Oil Biodiesel and Blends

     Bjorn S. Santos and Sergio C. Capareda

    Click here to read abstract

3. Analysis on the Voltage Drop of Off-Grid Single Wire Earth Return (SWER) Distribution Line and its Potential Applications in a Micro-hydro System

    Roderick L. Catriz, Rossana Marie C. Amongo, Arthur L. Fajardo , and Chiliast B. Juan

    Click here to read abstract

4. Performance Evaluation of a Pico-hydro Power Unit

     Arthur L. Fajardo, Rossana Marie C. Amongo, Marvin C. Petingco and Maria Evic C. Panganiban 

    Click here to read abstract

5. Gas Transmission Rates of Unperforated and Perforated Polyethylene Films for Modified Atmosphere Packaging Applications

      Ibn Xavier R. Malilay, Kevin F. Yaptenco, Arnold R. Elepaño, and Edgardo V. Casas

    Click here to read abstract

Issue 2010 Volume VIII

 

1. Design, Fabrication and Performance Evaluation of a Batch-Type Coffee Roaster for Small-Scale Roasting

    Ruel M. Mojica, Engelbert K. Peralta and Jessie C. Elauria

    Click here to read abstract

2. Performance Evaluation of Banaba [Lagerstroemia speciosa (L.) Pers.] Leaf Extract Spray Drying

     Mari Rowena Castaneda-Tanquilut, Jessie C. Elauria, Engelbert K. Peralta, and Neil C. Tanquilut

    Click here to read abstract

3. Design and Preliminary Testing of a Garlic Planter

     Arnold F. Dumaoal and Pepito M. Bato

     Click here to read abstract

4. Anthropometry of Male Farmers in Laguna, Philippines and its Potential Applications in the Design of Agricultural Machines and Tools

    Omar F. Zubia, Delfin C. Suministrado, Arsenio N. Resurreccion, Rossana Marie C. Amongo, Fernando O. Paras Jr., and Marvin C. Petingco

    Click here to read abstract

5. Spatial and Temporal Variations of the La Niña Phenomenon in the Philippines

    Vicente G. Ballaran, Jr., Moises A. Dorado, Ronaldo B. Saludes and Romina Manalo-Bondad

    Click here to read abstract

Issue 2009 Volume VII

 

1. Design, Fabrication and Evaluation of a Direct-Fired Corncob Furnace for Corn Drying

   Jessie Pascual P. Bitog, Jessie C. Elauria, Arnold R. Elepano and Arsenio N. Resurreccion

    Click here to read abstract

2. Development of Lahar Filtration System for Recirculating Aquaculture System

    Rossana Marie C. Amongo, Arsenio N. Resurreccion, Victor B. Ella, Pepito M. Bato, Fernando O. Paras Jr, Omar F. Zubia and Edgardo V. Casas

    Click here to read abstract

3. Evaluation of the System Efficiencies of Different Pump-Primemover Combinations for Shallow Tubewell Irrigation1

    Arthur L. Fajardo and Delfin C. Suministrado

    Click here to read abstract

4. Study of Some Parameters in the Biodiesel Production from Jatropha Oil Using Base Catalyzed Transesterification

     Rex B. Demafelis, Butch G. Bataller, Rafael Ray Adrian L. Cortado, Benjie P. Villacorte, Laura J. Pham, Emmanuel D. Revellame, Victor A. Rodulfo Jr, and Myra G. Borines

     Click here to read abstract

5. Studies on Engineering Properties of Red Seaweed (Kappaphycus spp.)

    Cherryflor R. Balingasa and Arnold R. Elepano

    Click here to read abstract

Issue 2008 Volume VI

 

1. Comparison of Spatial Interpolation Methods for Lithologic Characterization of Shallow Aquifer Systems

    Jonathan P. Aguilar and Wilfredo P. David

    Click here to read abstract

2. Predicting Copper Transport in an Undisturbed Calumpang Clay Soil Column using a Two-Region Contaminant Transport Model

     Nathaniel R. Alibuyog and Victor B. Ella

    Click here to read abstract

3. Effects of Partial Penetration on the Characteristic Well Losses of Naturally Developed Tubewells

     Roger A. Luyun, Jr. and Wilfredo P. David

     Click here to read abstract

4. Effects of Climatic Factors and Land Use on Runoff, Sediment Load, and Pesticide Loading in Upland Microcatchments in Bukidnon, Philippines

      Edward R. Lapong, Victor B. Ella, Manolo G. Villano, Pepito M. Bato 

     Click here to read abstract

5. The DA-UPLB Drilling Rid Model II

    Arthur L. Fajardo, Wilfredo P. David, Manolo G. Villano, Fernando Y. Paras, Sr. and Generoso R. Dimasuay

    Click here to read abstract

Issue 2007 Volume V

 

1. Technical Evaluation of Pneumatic Drying of Coconut (Cocos nucifera L.) Meat Particulates by modeling and Simulation Approach

    Victor A. Rodulfo, Jr. and Ernesto P. Lozada

    Click here to read abstract

2. Development of a Waste Aluminum and Tin Can Pressing Machine for Village Level Application

    Ronel S. Pangan, Arsenio N. Resurreccion, and Reynaldo I. Acda

    Click here to read abstract

3. Detection and Measurement of Surface Cracks in Concrete Structures using Image Processing

     Richelle Gallardo-Zafra and Yozo Fujino

    Click here to read abstract

4. Adaptation of Mini Rice Combine for Wetland Rice Fields

    Eulito U. Bautista, Phan Hieu Hien and Alfred Andrew Schmidley

    Click here to read abstract

Issue 2006 Volume IV

 

1. Assessment of Soil Loss, Sediment Yield and Water Quality of an Agricultural Watershed

    Leyma L. Cero and Victor S. Luis, Jr.

    Click here to read abstract

2. A Structural Analysis and Evaluation of Some Existing Greenhouses for Ornamental Crops in Selected Areas in the Philippines

    Marloe B. Sundo, Moises A. Dorado, and Ariel U. Glorioso

    Click here to read abstract

3. Technical Evaluation of a Tumble-Mix Contained Rapid Composting System in Composting Market Wastes

    Camilo A. Polinga and Arsenio N. Resurreccion

    Click here to read abstract

Issue 2005 Volume III

 

1. Cellulose Production by Acetobacter Xylinum Using Rotary Cylindrical Bioreactor

    Myra G. Borines, Wilfredo I. Jose, Wilfredo L. Barraquio, Rex B. Demafelis and Annalyn P. Rollon

    Click here to read abstract

2. Improvement and Tests of the UPLB Hand Tractor for Upland Tillage and Transport Operations1

    Fernando O. Paras, Jr., Arsenio N. Resurreccion, Delfin C. Suministrado, Pepito M. Bato and Omar F. Zubia

    Click here to read abstract

3. Potential Application of Machine Vision System in Rice Variety Identification

    Bernabe L. Paita

    Click here to read abstract

4. Early Crop Establishment of Rainfed Lowland Rice by Slit Seeding

    Herbert T. Manaligod

    Click here to read abstract

Issue 2002 Volume II

 

1. Fruit Ripening and Disease Control in Bananas and Mangoes by Hot Water Treatment

    Antonio L. Acedo Jr., Lilia L. Millan and Marilou M. Benitez

    Click here to read abstract

2. Applications of the Fast Fourier Transform to Determine the Onset, Duration, and Rainfall Depths of the Los Baños Wet Season

    Avelino M. Ramirez

    Click here to read abstract

3. A Comparison of Spatial Interpolation Techniques in Rainfall and Temperature Estimation

    Alejandro M. de Asis and Kenneth S. Artes

    Click here to read abstract

Issue 1999 Volume I

 

1. Kinetics of the apparent non-enzymic browning of potatoes

    Darwin A. Bicomong and Ponciano S. Madamba

    Click here to read abstract

2. Terrain Attributes as Predictors of Soil Moisture Distribution

     Larry C. Guerra

    Click here to read abstract

3. A GIS-Aided Soil Erosion potential-based solution to UP land Grant land allocation problem

    Alejandro M. de Asis

    Click here to read abstract