Research Articles

Soil Types and Geographical Forms of the Degraded Uplands of Bohol, Philippines
Jose T. Travero

Influence of Dissolved Organic Carbon on the Ecotoxicology of Copper on Aquatic Biota: Implication for the Revision of Water Quality Standardization in Cambodia
Lyly Soeung and Chuleemas Boonthai Iwai

Influence of Water Hardness on Ecotoxicology of Copper on Aquatic Biota: Implication for the Revision of Water Quality Standardization in Lao PDR.
Naksayfong Khounnavongsa and Chuleemas Boonthai Iwai

Comparison of the Water Footprint of Cassava and Sugarcane in Northeast, Thailand
Naruemol Kaewjampa, Nipaporn Chaisri and Chuleemas Boonthai Iwai

Variation in Storage Temperatures for Foot and Mouth Vaccine in Cambodia
Socheat Sieng, Stephen. W. Walkden-Brown and James Kerr

Soil Amendments for Maize Cultivation by Crop Rotations in Upland Cropping Systems of Southeast Cambodia
Tara Pin, Kongkea Phan, Vannaro Pin, Oeun Horn and John M. Schiller

Improving Upland Rice Production for Sustainability of Rice Self-Sufficiency in Ratanakiri Province, Cambodia
Sophal Var, Edna A. Aguilar and Pompe C. Stacruz

Current Agricultural Conditions and Constraints in Paktya Province of Afghanista
Abdul Malik Dawlatzai and Machito Mihara

The Analyses of Efficiency and Factors Affecting Efficiency of Agricultural Cooperatives in Lower Northern Region of Thailand
Anucha Wittayakorn-Puripunpinyoo and Naiyana Jullaphun

Diversity of Aquatic Insects in the Organic and Conventional Rice Fieldsin Khon Kaen Thailand
Duangrat Thongphak and Chuleemas Boonthai Iwai

Variation in Grain Morphology of Upland Rice Varieties from Luang prabang Province Lao PDR
Vua Xiongsiyee and Chanakan Prom-U-Thai

Influence of Coral Nursery Units on Fish Assemblage
Jesrelljane Aaron-Amper, Samuel J. Gulayan and Josueh M. Gulayan

Utilization of Corncob as Feedstuff on Growth Performance, Feed Utilization and Carcass Composition of Nile Tilapia (Oreochromis niloticus L.)
Rungkan Klahan, Panuphong Yotha and Montree Punyathong

Characteristics of Transformation of Traditional Upland Farming System in Cambodia: A Case Study of Snuol Commune, Kratie Province
Shinobu Yamada, Machito Mihara and Kumiko Kawabe

Comparison of Rice Plant Development with Different Transplanting Density under SRI Practices in the Lysimeter
Ishwar Pun, Eiji Yamaji and Sophy Ches

Adaptation Strategies to Changing Environment by an Organic Farm in Laguna, Philippines
Nina Shimoguchi and Loida Mojical

Diversity of Plant Growth Promoting Rhizobacteria Communities Associated with Thiamethoxam in Cassava Production Systems
Phrueksa Lawongsa and Pimupsorn Panomkhum

Impact Assessment of Land Use Change on Ecosystem Services and Livelihood Security of Rural Highland Communities in Saysathan District, Sayaboury Province, Lao PDR
Bouavonh Biachampah, Panomsak Promburom and Budsara Limnirankul

Investigation of Vibration Characteristics of a Hand Tractor using MEMS Sensor
Phon Sovatna, Eiji Inoue, Muneshi Mitsuoka and Zhen Li

Policy Analysis for Biodiversity Conservation in Cambodia: The Protected Areas System
Somaly Chan

Peanut Yield and Changes of Soil properties by Intercropping in Upland Cropping Systems of Southeast Cambodia
Tara Pin, Kongkea Phan, Vannaro Pin, Oeun Horn and John M. Schiller

Systems Analysis and Modelling of Pollution Loading for Management of Calumpang River in Batangas City, Philippines
Diane Carmeliza N. Cuaresma, Ben Patrick U. Soliguin,
Rowena A. Japitana, Ruby A. Abao and Jesusita O. Coladilla

Differences in Benthic Cover and Fish Assemblage Inside and Outside Marine Protected Areas
Jesrelljane Aaron-Amper and Samuel J. Gulayan

Influence of Meteorological Variable Combinations on Reference Evapotranspiration Estimated by the FAO56 Penman-Monteith Method
Hiromu Okazawa and Yasushi Takeuchi

Determining C Factor of Universal Soil Loss Equation (USLE) Based on Remote Sensing
Kuang Ting Kao, Ayako Sekiyama and Machito Mihara

Factors Affecting Householders’ Acceptance to Adopt Reduce, Reuse and Recycle -3Rs Program in Domestic Waste Management in Mekong Delta, Vietnam
Ngo Thi Thanh Truc and Nguyen Thi Thu Trang

Earthworm Communities and Activities in Rice Ecosystem under Different Soil Salinity Levels in Northeast Thailand
Ajcharawadee Kruapukee, Chuleemas Boonthai Iwai
and Naruemol Kaewjampa

Spatial Analysis of Ecosystem Disservice via Disamenity of Mosquitoes –A Case Study in Nagoya City, Japan
Kiichiro Hayashi, Akira Sugiyama and Makoto Ooba

Socio-Economic and Spatial Evaluation of Ecosystem Services in Nagoya, Japan
Makoto Ooba, Hideyuki Ito and Kiichiro Hayashi