JARQ:Japan Agricultural Research Quarterly

About JARQ

The Japan Agricultural Research Quarterly (JARQ) is a publication of the Japan International Research Center for Agricultural Sciences (JIRCAS), which provides readers overseas with the latest information on key achievements and developments in agricultural research in Japan, with the expectation that this information would contribute to the agricultural development of countries in tropical and subtropical regions. 

JARQ Submission and Editorial Policy / All Issues

Accepted Article

All Issue

Biomass and Production Rates of Fine Roots in Two Mangrove Stands in Southern Thailand

Kyotaro NOGUCHI, Sasitorn POUNGPARN, Suthathip UMNOUYSIN, Pipat PATANAPONPAIBOON, Decha DUANGNAMOL, Reiji YONEDA, Hajime UTSUGI, Tamotsu SATO, Ryuichi TABUCHI, JARQ:Japan Agricultural Research Quarterly. 54(4) , 349-360 (2020-10-01)

jarq54-4_349-360.pdf910.69 KB

Growth and Reproductive Status of the Spotted Scat Scatophagus argus in Mangrove Estuary in Matang Mangrove Forest Reserve, Malaysia

Shinsuke MORIOKA, Katsuhisa TANAKA, Tatsuya YURIMOTO, Faizul M. KASSIM, Kazumaro OKAMURA, JARQ:Japan Agricultural Research Quarterly. 54(4) , 361-368 (2020-10-01)

jarq54-4_361-368.pdf2.41 MB

Suppression of Root-Knot Nematode Damage to Next Crop by Prior Cultivation of Root-Knot Nematode-Resistant Sweet Potato Cultivars

Takayuki SUZUKI, Hideaki IWAHORI, Katsuki ADACHI, JARQ:Japan Agricultural Research Quarterly. 54(3) , 201-209 (2020-07-01)

jarq54-3_201-209.pdf1.19 MB

Review of Research on Irrigation Pond Damage due to Heavy Rain and Related Disaster Prevention Countermeasures in Japan

Sangyoon LEE, Hajime KOJIMA, Takeshi TAKEMURA, JARQ:Japan Agricultural Research Quarterly. 54(3) , 211-217 (2020-07-01)

jarq54-3_211-217.pdf569.62 KB

Common Agriculture Vocabulary for Enhancing Semantic-Level Interoperability in Japan

Akane TAKEZAKI, Sungmin JOO, Hideaki TAKEDA, Tomokazu YOSHIDA, JARQ:Japan Agricultural Research Quarterly. 54(3) , 219-225 (2020-07-01)

jarq54-3_219-225.pdf1 MB

Seed Productivity of Genebank Sorghum Accessions in India (Tamil Nadu) and Japan (Tsukuba)

Tomotsugu NOGUCHI, Sivakumar SUBBARAYAN, Atsushi KIYOSAWA, Kazumi GOTOH, Yasufumi MURAKAMI, Hisato OKUIZUMI, JARQ:Japan Agricultural Research Quarterly. 54(3) , 227-238 (2020-07-01)

jarq54-3_227-238.pdf974.59 KB

Pathogenicity of Rice Blast (Pyricularia oryzae Cavara) Isolates from Mekong River Delta, Vietnam

Yoshimichi FUKUTA, Thi Lang NGUYEN, Thi Thu Ha PHAM, Thi Luy TRINH, Van Du PHAM, Nagao HAYASHI, Akiko KAWASAKI-TANAKA, Mitsuhiro OBARA, Bao Toan Toan TRAN, Chi Buu BUI, JARQ:Japan Agricultural Research Quarterly. 54(3) , 239-252 (2020-07-01)

jarq54-3_239-252.pdf828.03 KB

Childhood Health and Mother Empowerment in Rural Myanmar

Chisa NAKAMURA, Yoko SAITO, Thuzar SHWE, JARQ:Japan Agricultural Research Quarterly. 54(3) , 253-262 (2020-07-01)

jarq54-3_253-262.pdf742.43 KB

Variation of Cowpea Production and Usage in Rural Households: A Comparison between Northern and Southern Burkina Faso

Sakiko SHIRATORI, Eveline M. F. W. SAWADOGO-COMPAORE, Hsiaoping CHIEN, JARQ:Japan Agricultural Research Quarterly. 54(3) , 263-270 (2020-07-01)

jarq54-3_263-270.pdf718.77 KB

Molecular Identification of Trichuris suis Worms and Eggs in Pig Feces, Infected Intestines, and Farm Environments in Japan

Ryunosuke MURAMATSU, Ryo SATO, Narihisa ONUMA, Kazumi SASAI, Tomoyuki SHIBAHARA, Makoto MATSUBAYASHI, JARQ:Japan Agricultural Research Quarterly. 54(3) , 271-275 (2020-07-01)

jarq54-3_271-275.pdf735.31 KB

Efficacy of Poultry By-product Meal as an Effective Alternative to Fish Meal in Aquaculture Feed for Milkfish Chanos chanos

Tsuyoshi SUGITA, Amafe Belleza GAVILE, Joemel Gentelizo SUMBING, JARQ:Japan Agricultural Research Quarterly. 54(3) , 277-284 (2020-07-01)

jarq54-3_277-284.pdf669.73 KB

Development and Standardization of Analytical Methods for Increasing Varieties of Genetically Modified Crops

Junichi MANO, Reona TAKABATAKE, Kazumi KITTA, JARQ:Japan Agricultural Research Quarterly. 54(2) , 113-119 (2020-04-01)

jarq54-2_113-119.pdf858.99 KB

Post-Harvest Techniques for Practical Use Regarding a Steady Year-Round Supply of Garlic Bulbs

Atsushi ITO, Eiko NIWATA, Chihomi KON, Mitsuru HACHIYA, JARQ:Japan Agricultural Research Quarterly. 54(2) , 121-127 (2020-04-01)

jarq54-2_121-127.pdf486.24 KB

Emergence of Glyphosate- and Glufosinate-resistant Italian Ryegrass (Lolium multiflorum) Populations in Japanese Pear Orchards in Japan and their Responses to Several Foliar-applied Herbicides

Minoru ICHIHARA, Tohru TOMINAGA, Masayuki YAMASHITA, Hitoshi SAWADA , JARQ:Japan Agricultural Research Quarterly. 54(2) , 129-135 (2020-04-01)

jarq54-2_129-135.pdf417.05 KB

Effect of Increased Silicon Content of Paddy Rice on Sheath Blight Development through Carbonized Rice Husk Application

Peter Lyod P. SABES, Mathias Mawo LON, Mchuno Alfred PETER, Jumpei MARUYAMA, Shinichi KOYAMA, Tetsu WATANABE, Shinzo KOIZUMI, JARQ:Japan Agricultural Research Quarterly. 54(2) , 145-151 (2020-04-01)

jarq54-2_145-151.pdf575.47 KB

Simulation of Soil Water and Heat Transfer under Subsurface Irrigation Considering Spatial Differences in Soil Hydraulic Properties

Kosuke HAMADA, Yoshiyuki SHINOGI, Tomoyuki TANIGUCHI, Hidetoshi MOCHIZUKI, Takeshi TAKEMURA, JARQ:Japan Agricultural Research Quarterly. 54(2) , 153-162 (2020-04-01)

jarq54-2_153-162.pdf678.83 KB

Effect of a Net-covered Windbreak on the Heat Loss from a Heated Greenhouse

Takeshi KUROYANAGI, JARQ:Japan Agricultural Research Quarterly. 54(2) , 163-170 (2020-04-01)

jarq54-2_163-170.pdf904.95 KB

Impact of Contract Farming on Farmers’ Income – A Case of Wuchang Rice in China

Wenhao WU, Guosheng WU, Changbin YIN, Hsiaoping CHIEN, JARQ:Japan Agricultural Research Quarterly. 54(2) , 171-177 (2020-04-01)

jarq54-2_171-177.pdf630.22 KB

Diversity of Prokaryotes in the Rumen of Steers Fed a Diet Supplemented with or without Bromochloromethane, an Anti-Methanogenic Compound

Hiroki MATSUI, Kiyoshi TAJIMA, Hisao ITABASHI, JARQ:Japan Agricultural Research Quarterly. 54(2) , 179-183 (2020-04-01)

jarq54-2_179-183.pdf330.28 KB

Estimation of the Stem Volume of 30-year-old Eucalyptus globulus in the Northern Ethiopian Highlands

Koichi TAKENAKA, Buruh ABEBE, Ryuichi TABUCHI, JARQ:Japan Agricultural Research Quarterly. 54(2) , 185-191 (2020-04-01)

jarq54-2_185-191.pdf416.26 KB

Migratory Pattern of the Spotted Scat (Scatophagus argus) in the Mangrove Estuary of the Matang Mangrove Forest Reserve, Malaysia, Estimated by Stable Isotope Analysis

Shinsuke MORIOKA, Katsuhisa TANAKA, Tatsuya YURIMOTO, Faizul M. KASSIM, Kazumaro OKAMURA, JARQ:Japan Agricultural Research Quarterly. 54(2) , 193-199 (2020-04-01)

jarq54-2_193-199.pdf872.63 KB

Recent Progress in Breeding Low-Temperature-Tolerant Sweetpotato Lines in Japan

Toshikazu KURANOUCHI, Mio NISHINAKA, Akiko TAKADA, Toru KUMAGAI, Makoto NAKATANI, Kenji KATAYAMA, JARQ:Japan Agricultural Research Quarterly. 54(1) , 1-6 (2020-01-17)

jarq54-1_1-6.pdf638.34 KB

Transcriptome Analysis of Two Strains of Aspergillus oryzae with Different Responses to Light

Satoshi SUZUKI, Ken-ichi KUSUMOTO, JARQ:Japan Agricultural Research Quarterly. 54(1) , 13-20 (2020-01-17)

jarq54-1_13-20.pdf1.27 MB

Does HLB Disease Prefer Citrus Growing in Alkaline Soil?

Haruhiko INOUE, Akiko OKADA, Shigeru UENOSONO, Motofumi SUZUKI, Tomoya MATSUYAMA4, Yoshikuni MASAOKA, JARQ:Japan Agricultural Research Quarterly. 54(1) , 21-29 (2020-01-17)

jarq54-1_21-29.pdf729.8 KB

NPK Removal from Maize Cultivation Fields in Kenethao and Paklai Districts, Xayabury Province, Lao PDR

Naruo MATSUMOTO, Saythong OUDTHACHID, Phanthasin KHANTHAVONG, Amphay SOUVANNALAT, JARQ:Japan Agricultural Research Quarterly. 54(1) , 31-40 (2020-01-17)

jarq54-1_31-40.pdf841.61 KB

pH-dependent Liquefaction of Thai Fermented Rice Noodles (khanom jeen) Associated with Bacterial Amylolytic Enzymes

Junichiro MARUI, Sirinan SHOMPOOSANG, Wanchai PANTHAVEE, JARQ:Japan Agricultural Research Quarterly. 54(1) , 41-45 (2020-01-17)

jarq54-1_41-45.pdf626.28 KB

Estimation of the Stem Volume of 30-year-old Eucalyptus globulus in the Northern Ethiopian Highlands

Yasuhiro INATSU, Arranee CHOTIKO, Chiraporn ANANCHAIPATTANA, JARQ:Japan Agricultural Research Quarterly. 54(1) , 47-51 (2020-01-17)

jarq54-1_47-51.pdf637 KB

Variations of Basic Nutritional Compositions by Seasons and Sizes in Four Freshwater Fishes as Common Food Sources in Lao P.D.R.

Kaori FUJITA, Philavanh BOUTSAVATH, Xaypunya MAHATHILATH, Masataka SAITO, Bounsong VONGVICHITH, Katsumi HASADA, Shinsuke MORIOKA, JARQ:Japan Agricultural Research Quarterly. 54(1) , 53-61 (2020-01-17)

jarq54-1_53-61.pdf756.33 KB