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

Nitrogen Mineralization from Flowering- and Maturity-Stage Green Manures under Flooded Conditions after Different Upland Periods

Kyi Mon Mon KO, Yasumaru HIRAI, Takeo YAMAKAWA, Eiji INOUE, Takashi OKAYASU, Muneshi MITSUOKA, JARQ:Japan Agricultural Research Quarterly. in press

Effect of Saccharomyces cerevisiae Fermentation Product on Ruminal Fermentation, Blood Metabolites, and Milk Production in Dairy Cows

Naoto AOKI, Zhang YANLI, Syuhei KANDA, uzo KUROKAWA, Sultana HALIMA, Hisao ITABASHI, JARQ:Japan Agricultural Research Quarterly. in press

Climatic Factors Related to Low Rice (Oryza sativa L.) Yield in the Wet Season Under Double Cropping in the Mekong Delta, Vietnam

Motohiko KONDO, Yoshiko IIZUMI, Takeshi WATANABE, Luu Hong MAN, Nguyen Kim THU, Vu Ngọc Minh TAM, Ho Nguyen Hoang PHUC, Nguyen Thi Ngọc HAN, Duong Hoang SON, Nguyen, Huu CHIEM, JARQ:Japan Agricultural Research Quarterly. in press

Designing a Polyurethane-Based Husker Roll for Long-Grain Rice Using a Finite Element Model

Tadashi YOSHIHASHI, Yuki ABE, Nariaki IWASAKI, Hiroyuki SAKANAKA, Masatoshi FUJINAKA, Ryuichi KIDO, JARQ:Japan Agricultural Research Quarterly. in press

Chemical and Microbiological Evaluation of Vermicompost Made from School Food Waste in Japan

Shumpei HASHIMOTO, Mai FURUYA, Xiaodong YOU, Genki WANIBUCHI, Hayato TOKUMOTO, Motoaki TOJO, Kumpei SHIRAGAKI, JARQ:Japan Agricultural Research Quarterly. in press

Factors Explaining Differences in Yield Response to High Nitrogen Fertilization among Rice Varieties under Tropical Highland Conditions in Central Kenya

Hiroaki SAMEJIMA, Keisuke KATSURA, Mayumi KIKUTA, Symon Mugo NJINJU, John Munji KIMANI, Akira YAMAUCHI, Daigo MAKIHARA, JARQ:Japan Agricultural Research Quarterly. in press

Effect of Leaves on the Regulation of Internode Elongation in a Tropical Evergreen Tree, Shorea leprosula

Masaki J. KOBAYASHI, Kevin Kit Siong NG, Soon Leong LEE, Norwati MUHAMMAD, Naoki TANI, JARQ:Japan Agricultural Research Quarterly. in press

Long-term Hydrological Observations in a Lowland Dry Evergreen Forest Catchment Area of the Lower Mekong River, Cambodia

Naoki KABEYA, Akira SHIMIZU, Takanori SHIMIZU, Shin’ichi IIDA, Koji TAMAI, Asako MIYAMOTO, Sophal CHANN, Makoto ARAKI, Yasuhiro OHNUKI, JARQ:Japan Agricultural Research Quarterly. in press

Development of Cooling Techniques for Small-Scale Protected Horticulture in Mountainous Areas in Japan

Ryosuke YAMANAKA, Hiroki KAWASHIMA, JARQ:Japan Agricultural Research Quarterly. in press

Analysis of Salinity Behavior in Hakata Bay after Heavy Rainfall Using a Three-Dimensional σ-Coordinate Model

Akihiro FUKUDA, Toshinori TABATA, Kazuaki HIRAMATSU, Masayoshi HARADA, JARQ:Japan Agricultural Research Quarterly. in press

Growth Performance and Condition Factor of Juvenile Milkfish (Chanos chanos) Cultured in Marine Pen in Relation to Body Size and Temperature

Masashi KODAMA, Rose Ann DIAMANTE, Nerissa, D. SALAYO, Raisa Joy G. CASTEL, Joemel G. SUMBING, JARQ:Japan Agricultural Research Quarterly. in press

Dry Direct-Seeding Rice Cultivation Method Incorporating a Water-Leakage Prevention Process Using a Vibratory Roller

Keiko NAKANO, Koichiro FUKAMI, Hideki OHDAN, JARQ:Japan Agricultural Research Quarterly. in press

Relationship between Resistanceto Rice necrosis mosaic virus and the Expression Levels of Rice RNA-dependent RNA polymerase 6 (OsRDR6) in Various Rice Cultivars

Sopan G.WAGH, Abhijeet A. DASPUTE, Shamim M. AKHTER, Sachin A. BHOR, Kappei KOBAYASHI, Takashi YAENO, Masamichi NISHIGUCHI, JARQ:Japan Agricultural Research Quarterly. in press

Impact of Public Agricultural Investments on Global Indica and Japonica Rice Markets under Climate Change

Tatsuji KOIZUMI, Gen FURUHASHI, JARQ:Japan Agricultural Research Quarterly. in press

Flood Hazard Assessment of Residential Areas Outside the Protected Area of the Red River Dike System in Hanoi, Vietnam

Sai Hong ANH, Toshinori TABATA, Kazuaki HIRAMATSU, Masayoshi HARADA, JARQ:Japan Agricultural Research Quarterly. in press

All Issue

The Farm-type TMR Center as a Regional Farming System in Hokkaido

Makoto HIMI, JARQ:Japan Agricultural Research Quarterly. 55(1) , 1 - 4 ( )

jarq55-1_1-4.pdf546.79 KB

Radioactive Cesium Concentration in Silage Corn (Zea Mays L.) and Italian Ryegrass (Lolium Multiflorum Lam.) Cultivated with Three Different Tillage Methods after the Fukushima Daiichi Nuclear Power Plant Accident

Tsutomu KANNO, Hisatomi HARADA, Koichi AMAHA, Yoshiyuki ABE, Noritoshi SUMIDA, Hidehiko INOUE, Yoichiro KOJIMA, Soichiro MORITA, Toshihiko IBUKI, Setsuro SATO, JARQ:Japan Agricultural Research Quarterly. 55(1) , 5 - 16 ( )

jarq55-1_5-16.pdf776.23 KB

Nitrous Oxide Emissions from a Sugarcane Field with Green Manure and Chemical Fertilizer Applications in Okinawa, Japan

Tabito MAEDA, Soh SUGIHARA, Tomohiro NISHIGAKI, Naoko MIYAMARU, Koichi YOSHIDA, Akinori YAMAMOTO, Koki TOYOTA, Haruo TANAKA, JARQ:Japan Agricultural Research Quarterly. 55(1) , 17 - 27 ( )

jarq55-1_17-27.pdf845.13 KB

Applicability of Water Level Monitoring System and Water Level Estimation System to Tank Cascade in Sri Lanka

Akira IZUMI, Toshikazu HORI, JARQ:Japan Agricultural Research Quarterly. 55(1) , 35 - 43 ( )

jarq55-1_35-43.pdf3.69 MB

Recurrent Neural Network Predictions for Water Levels at Drainage Pumping Stations in an Agricultural Lowland

Nobuaki KIMURA, Ikuo YOSHINAGA, Kenji SEKIJIMA, Issaku AZECHI, Hirohide KIRI, Daichi BABA, JARQ:Japan Agricultural Research Quarterly. 55(1) , 45 - 58 ( )

jarq55-1_45-58.pdf5.52 MB

Soybean Rust and Resistant Cultivar Effects on Global Soybean Supply and Demand

Yuki ISHIKAWA-ISHIWATA, Jun FURUYA, JARQ:Japan Agricultural Research Quarterly. 55(1) , 59 - 67 ( )

jarq55-1_59-67.pdf1.13 MB

Comparative Analysis of Rumen Bacteria between Water Buffalo and Cattle Fed the Same Diet during their Fattening Period in the Philippines

Ken ASAI, Khin Ohnmar LWIN, Abraham G. TANDANG, Rosalina M. LAPITAN, Jesus Rommel V. HERRERA, Arnel N. DEL-BARRIO, Makoto KONDO, Tomomi BAN-TOKUDA, Arfan ABRAR, Tsutomu FUJIHARA, Hiroki MATSUI, JARQ:Japan Agricultural Research Quarterly. 55(1) , 69 - 75 ( )

jarq55-1_69-75.pdf670.02 KB

The Effects of Chronic Social Defeat Stress on Solid Gastric Emptying and Defecation in C57BL/6J Mice

Naoko MORIYA, Naoko YAMAGISHI, Tatsuhiko GOTO, Hikari OTABI, Hiromi NIRA-KIMOTO, Atsushi TOYODA, Chise SUZUKI, JARQ:Japan Agricultural Research Quarterly. 55(1) , 77 - 83 ( )

jarq55-1_77-83.pdf656.74 KB

Identification of Potential Predators for Asari Clam Ruditapes philippinarum Using Time-lapse Camera Observations

Naoaki TEZUKA, Yoshitake TAKADA, Toshihiro SHIGETA, Motoharu UCHIDA, JARQ:Japan Agricultural Research Quarterly. 55(1) , 85 - 96 ( )

jarq55-1_85-96.pdf8.78 MB

Practical Research on Rearing Broodstock Abalone Using a Closed Recirculating System

Yukio MATSUMOTO, Tomoki MAEDA, JARQ:Japan Agricultural Research Quarterly. 55(1) , 97 - 106 ( )

jarq55-1_97-106.pdf4.15 MB

Modification of the Light Environment Influences the Production of Horticultural Crops

Takeshi KUNIGA, JARQ:Japan Agricultural Research Quarterly. 54(4) , 285 - 291 ( )

jarq54-4_285-291.pdf373.61 KB

Leaf Trichomes as an Effective Structure for Disease Resistance: The Case of Grapevine Downy Mildew

Atsushi KONO, Takeo SHIMIZU, JARQ:Japan Agricultural Research Quarterly. 54(4) , 293 - 298 ( )

jarq54-4_293-298.pdf2.4 MB

Spatial Distribution of Grazing Sites and Dung of Beef Cows in a Sloping Pasture

Rena YOSHITOSHI, Nariyasu WATANABE, Jihyun LIM, JARQ:Japan Agricultural Research Quarterly. 54(4) , 299 - 306 ( )

jarq-4_299-306.pdf2.1 MB

Limited Occurrence of Tristeza in Yuzu and Possible Tristeza-free Cultivation in Northernmost Commercial Yuzu-Producing Areas of Japan

Eiko NAGAOKA-NAKAZONO, Nami UECHI, Hiroshi KATO, Takashi FUJIKAWA, Shin-ichi MIYATA, Tsutomu FURUKAWA, Tomonori ASAKAWA, Makoto SASAKI, Riho KUWAHARA, Ok-Kyung KIM, Hirosuke SHINOHARA, Toru IWANAMI, JARQ:Japan Agricultural Research Quarterly. 54(4) , 307 - 316 ( )

jarq54-4_307-316.pdf1.71 MB

Research on a Method of Evaluating Fuel Efficiency during Traveling and Driving for Head-Feeding Combine Harvesters

Hirofumi YAMASAKI, Mitsuhiro HORIO, Kohichi FUJITA, JARQ:Japan Agricultural Research Quarterly. 54(4) , 317 - 325 ( )

jarq54-4_317-325.pdf1.3 MB

Competitive Advantage Factors in Vertically Diversified Brand Chicken Business: A Partial Value Chain Analysis of a Japanese Poultry Wholesaler

Kenji HOSONO, Yuji YASHIMA, JARQ:Japan Agricultural Research Quarterly. 54(4) , 327 - 333 ( )

jarq54-4_327-333.pdf454.51 KB

Crossability between Transgenic Blue Chrysanthemums and the Wild Chrysanthemum Species Chrysanthemum japonense var. japonense

Ryutaro AIDA, Naonobu NODA, Satoshi YOSHIOKA, Mitsuru DOUZONO, Mai TSUDA, Ryo OHSAWA, JARQ:Japan Agricultural Research Quarterly. 54(4) , 335 - 340 ( )

jarq54-4_335-340.pdf1.02 MB

Postharvest Treatments and Shipping Conditions for Reducing Fruit Drop in Cut Sarcandra glabra Branches

Hiroko SHIMIZU-YUMOTO, Yumi UJIIE, Takayuki OGAWA, JARQ:Japan Agricultural Research Quarterly. 54(4) , 341 - 348 ( )

jarq54-4_341-348.pdf623.91 KB

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

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 ( )

jarq54-3_277-284.pdf669.73 KB