IJERD – International Journal of Environmental and Rural Development (2023) 14-1

ContentsSimple Weir Types and Their Prospects for Small-Scale Irrigation Development in Northern Zambia
Alex Lushikanda Kabwe, Masahiro Hyodo, Hidehiko Ogata,
Yoshihiro Sagawa, Yoshinao Adachi and Masayuki Ishii

1

Development of a Simple-Concept Water Allocation Model at the Farm-Block-Level for Efficient
Water ManagementNaohisa Nakashima and Tetsuro Fukuda

9Clarification of Water Use under the Complicated Irrigation System and its Modeling in the BoriboBamnak River Basin, Cambodia
Heng Salpisak, Tadao Yamamoto and Takashi Inoue

17

Improvements in Preservation Properties of Homemade-Style Pickled Cucumber in Cambodia
Sokly Sorm, Shuki Muramatsu, Masataka Uchino,
Yoshiki Muramatsu, Daiki Oka, Narong Touch, Yuri Tanioka,
Takahiko Nakamura, Toru Nakajima, Motoe Sekido,
Shotaro Kawakami, Chim Chay, Mari Arimitsu andMachito Mihara

25

Reuse of Unavailable Phosphate in Soils Using Solar Cell-Powered Electrokinetic Treatment
Narong Touch and Takahiko Nakamura

32

Impact of a Drip Irrigation System on Planning and Management of Water Delivery in a Large-ScaleIrrigation Scheme in Morocco
Dayyabu Muhammad Zaharaddeen, Katsuyuki Shimizu,
Yuri Yamazaki, Vinay Nangia, Anas Mansouri,
Mohamed Belaarabi and Lahcen Ousstous38

Conditions of Bio-Slurry Application in Crop Production in Kampong Cham Province, Cambodia
Chan Makara Mean, Lyhour Hin, Sophoanrith Ro, Nareth Nut,
Nam Sok, Lytour Lor and Bart Frederiks

45

Determination of Histamine Level and Its Correlation with Viable Bacterial Count in Cambodian
Fermented Fish
Lengheang Choeng, Chanthol Peng, Leangey Set andSeyha Doeurn52

Evaluation of Soil Erosion Risk from Weathering Effects on K Factor of RUSLE in Cobija, Bolivian
Amazonia
Juan Uego Perez and Machito Mihara

59

Assessment of Antibacterial Activity of Lactic Acid Bacteria Isolated from Fermented Foods Against
Escherichia coli O157:H7, Proteus penneri and their Potential for Starter Culture
Sineth Chev, Siveng Meng, Borarin Buntong, Chinda Chhe andRithy Chrun

65

Nitrogen Removal from Mining Dewatering and the Fate of Water Release to a River
Barry Noller

71

Development of Erosion Protection Zones in the Catchment of the Reservoir “Kalimanci”,
North Macedonia
Ivan Minchev, Ivan Blinkov, Aleksandar Trendafilovand Bozhin Trendafilov

77

On-farm Effects of Subsurface Drainage System on Chinese Cabbage (Brassica pekinensis L. Rupr.)
Production in Rainy Season at Svay Rieng Province, Cambodia
Tithya Kang, Saravuth Tum, Vanchey Ros, Nimul Chun,Chhun Hong, Borarin Buntong, Kimchhin Sok, Siranet Roeurnand Sophoanrith Ro

82i

IJERD – International Journal of Environmental and Rural Development (2023) 14-1

Prediction of Land Use Change through the Cellular Automata-Markov Model: A Case Study of theUpper Sangkae River Basin in Cambodia
Vanna Chey, Tadao Yamamoto and Takashi Inoue91

Educational Material Research on the Color of Crayfish for Conversion to Edible Resources
Saki Higuchi, Honami Ono, Hiroaki Honda, Sarvesh Maskey,
Akira Kurosawa, Toshihiro Suzuki, Nobuyuki Takahashi,
Hiromu Okazawa and Kouji Takeda

98

Evaluating Water Purification Capacity of Patinopecten yessoensis Shells Inoculated Effective
Microorganisms
Kosei Moroishi and Machito Mihara

106

Impact Assessment of New Dams Construction in Nam Ngum Watershed on Electric Generation atNum Ngum 1 Dam
Koshi Yoshida, Keigo Noda, Task Kato andKeoduangchai Keokhamphui

112

Verifying Optimum Flying Conditions for UAV Photogrammetry in Assessing Hydro-structural
Infrastructures
Sarvesh Maskey, Hiyori Iseki, Kiseki Kurashina, Ke Zhang andHiromu Okazawa

119

Information Transfer among Mango Contractors: Sources, Channels, and Priorities
Dia Noelle Velasco, Katsumori Hatanaka, Nina Shimoguchi
and Ramadhona Saville

126

Effect of Bio-slurry and Chemical Fertilizer on Soil Enzyme Activities
Moeurb Ang, Hong Cheang, Dyna Theng, Nareth Nut,
Lyhour Hin, Lytour Lor, Kasuni H. H. Gamage andGanga M. Hettiarachchi

134

Household Income Diversity of Small-scale Cassava Producers in Vietnam
Nien Chau Nguyen, Tamon Baba, Hisako Nomura andKasumi Ito

139

The Effects of Green Manures on Sustainable Agriculture Soil Conservation under Open Field
Mala Suon, Sopheak Tith, Thangrak Veu, Pisidh Voe,
Socheat Ngy, Sothea Hill and Chhouk Chheang

147

Habitat Evaluation of Agricultural Waterways where Environmental Improvement was Practiced forRecreation
Masayuki Nitta, Mitsuru Ohira, Muneyuki Aoki andMasahiro Nakajima

153

Temperature Sensitivity (Q10) of Organic Carbon in Red-yellow Soils and its Conservation Strategies
Keiji Arostegui and Machito Mihara

163

National versus Local Climatic Variability and Implications for Communities in Protected Areas:
The Case of Lake Malawi National Park
Dickson M. Mazibuko, Lameck Fiwa, Maskey Sarvesh andHiromu Okazawa

170ii