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.
The JARQ has updated its editorial policy to meet the demands of the times. The current editorial policy, revised on March 12, 2025, aims to "disseminate findings and trends in research related to Japan's agriculture, forestry, and fisheries, as well as international collaborative research involving Japanese researchers, to a broad audience both domestically and internationally through original articles and reviews." To this end, JARQ publishes original articles and research reviews, which are expected to contribute to agricultural development in developing regions.
The JARQ editorial policy revised on July 23, 1999 featured a different classification of papers. At that time, all submissions were classified as "research articles" and not limited to original articles, allowing authors to present "the aims, methods, results, and broader impact of a series of research, including previously published work."
Following the 1999 policy, the JARQ editorial office accepted research articles that included previously published content. However, the current editorial policy (revised on March 12, 2025) defines original articles as "papers that summarize the results of research conducted by the author, with no precedent in content or other aspects." Therefore, under the 2025 policy, previously published papers are no longer accepted.
All Issue
Development of a New No-Till Seeder for Soybean
HIDETO YAMAKAWA, KAZUYUKI ITOH, YUKIO NAKAJIMA, JARQ:Japan Agricultural Research Quarterly. 23(1) , 24-30 (1989-07-01)
23-1-024-030.pdf1.27 MB
Establishment of Insect Continuous Cell Lines and Its Utilization for Virus Multiplication in vitro
HAJIME INOUE, JARQ:Japan Agricultural Research Quarterly. 23(1) , 31-36 (1989-07-01)
23-1-031-036.pdf1.02 MB
Genetic Studies on Tropical Races of Silkworm (Bombyx mori) with Special Reference to Cross Breeding Strategy between Tropical and Temperate Races 1. Genetic nature of the tropical multivoltine strain Cambodge
AKIO MURAKAMI, YOSHIKI OHTSUKI, JARQ:Japan Agricultural Research Quarterly. 23(1) , 37-45 (1989-07-01)
23-1-037-045.pdf1.73 MB
Mechanical Structure and Functions of Zootron (the Climatic Facility for Domestic Animals) in Tsukuba
RIOHEI FURUKAWA, HIROAKI SHISHIDO, NORIAKI YAMAGISHI, TAKASHI UENO, TOSHIHIKO MITSUHASHI, JARQ:Japan Agricultural Research Quarterly. 23(1) , 46-52 (1989-07-01)
23-1-046-052.pdf1.1 MB
Effect of the Silica Content on Digestibility of Rice Straw
YANTYATI WIDYASTUTI, AKIRA ABE, JARQ:Japan Agricultural Research Quarterly. 23(1) , 53-58 (1989-07-01)
23-1-053-058.pdf965.68 KB
A New Supplementary Molasses Block Feed for the Ruminant to Improve the Production Efficiency under Poor Feeding Condition
TATSUO HAMADA, JARQ:Japan Agricultural Research Quarterly. 23(1) , 59-64 (1989-07-01)
23-1-059-064.pdf1.14 MB
Realities of Contribution of a Large Scale Afforestation Project on Rural Development - A case of RP-Japan Forestry Development Project in Central Luzon -
TAKASHI KATO, JARQ:Japan Agricultural Research Quarterly. 23(1) , 65-70 (1989-07-01)
23-1-065-070.pdf1021.92 KB
Growth and Yields of Winged Bean Grown in Different Seasons in Okinawa
HIROSHI NAKAMURA, JIRO ABE, JARQ:Japan Agricultural Research Quarterly. 23(1) , 71-77 (1989-07-01)
23-1-071-077.pdf1.47 MB
Absence of Detoxification of DHP by Rumen Microorganisms from Malaysian Cattle, Water Buffalos and Sheep
HIROSHI KUDO, SYED ALALUDIN, ABDUL RAHIM MUTALIB , JARQ:Japan Agricultural Research Quarterly. 23(1) , 78-80 (1989-07-01)
23-1-078-080.pdf483.21 KB
Changes in Light Intensity at Twilight and Estimation of the Biological Photoperiod
YASUMITSU KISHIDA, JARQ:Japan Agricultural Research Quarterly. 22(4) , 247-252 (1989-03-01)
22-4-247-252.pdf1.03 MB
Implication of the Image Analysis Methods in Biotechnology
KIICHI FUKUI, KOH-ICHI KADOWAKI, KYUYA HARADA, JARQ:Japan Agricultural Research Quarterly. 22(4) , 253-259 (1989-03-01)
22-4-253-259.pdf1.04 MB
Spacial Distribution of Actual Evapotranspiration Rate in Northeast Thailand during the Dry Season
YOUSAY HAYASHI, NIMITR VORASOOT, JARQ:Japan Agricultural Research Quarterly. 22(4) , 260-267 (1989-03-01)
22-4-260-267.pdf1.22 MB
The Joint Effect of Nitrogen Fertilizer and Organic Matter Application on Soybean Yields in Warm Regions of Japan
KENZO WAKIMOTO, JARQ:Japan Agricultural Research Quarterly. 22(4) , 268-276 (1989-03-01)
22-4-268-276.pdf1.44 MB
Effect of Crop-Side Basal Application of Fertilizer on Growth and Yields of Rice Plants
NOBUO OHYAMA, JARQ:Japan Agricultural Research Quarterly. 22(4) , 277-283 (1989-03-01)
22-4-277-283.pdf1.31 MB
Development of Suitable Technique for Testing Resistance of Wheat Cultivars to Three Snow Mold Diseases
SHIGEHITO TAKENAKA, REIICHI YOSHINO, JARQ:Japan Agricultural Research Quarterly. 22(4) , 284-289 (1989-03-01)
22-4-284-289.pdf1019.4 KB
Bacterial Diseases of Fruit Trees Found in Japan
KAZUO TAKANASHI, JARQ:Japan Agricultural Research Quarterly. 22(4) , 290-296 (1989-03-01)
22-4-290-296.pdf1.4 MB
Measurement of Heat Sensitivity in Cucumber Leaves by Chlorophyll Fluorescence
SATOSHI AOKI, MASAAKI NAGAOKA, JARQ:Japan Agricultural Research Quarterly. 22(4) , 297-301 (1989-03-01)
22-4-297-301.pdf976.64 KB
Drying Characteristics of Tea Leaves
HITOSHI YOSHITOMI, JARQ:Japan Agricultural Research Quarterly. 22(4) , 302-309 (1989-03-01)
22-4-302-309.pdf1.18 MB
Role of Microorganisms in Tempeh Manufacture - Isolation of vitamin B12 producing bacteria -
NORIYUKI OKADA, JARQ:Japan Agricultural Research Quarterly. 22(4) , 310-316 (1989-03-01)
22-4-310-316.pdf1.27 MB
International Symposium on Crop Losses due to Disease Outbreaks in the Tropics and Countermeasures
, JARQ:Japan Agricultural Research Quarterly. 22(4) , 317-321 (1989-03-01)
22-4-317-321.pdf1001.7 KB
Hydrological Characteristics in the Catchment Area of Muda and Pedu Reservoirs : - Case study on irrigation management in the Muda Irrigation Scheme, Malaysia -
YOSHINOBU KITAMURA, JARQ:Japan Agricultural Research Quarterly. 22(4) , 322-333 (1989-03-01)
22-4-322-333.pdf1.88 MB
Technical Strategies to Increase Rice Yields in the Wasan Rice Project, Brunei Darussalam
SHIGEO YASHIMA, HAJI MATZIN HAJI SALLEH, PAUL W. BURTON, KUANG SITIM, JARQ:Japan Agricultural Research Quarterly. 22(4) , 334-336 (1989-03-01)
22-4-334-336.pdf506.01 KB
Apple Snail in Japan : - The present status and management -
YOSHIO HIRAI, JARQ:Japan Agricultural Research Quarterly. 22(3) , 161-165 (1988-12-01)
22-3-161-165.pdf831.16 KB
Sudden Outbreaks of the Armyworm, Pseudaletia separata WALKER and Its Monitoring Systems in Japan
KAZUO HIRAI, JARQ:Japan Agricultural Research Quarterly. 22(3) , 166-174 (1988-12-01)
22-3-166-174.pdf1.47 MB
Recent Studies on Natural Enemies of the Rice Gall Midge, Orseolia oryzae (Wood-Mason)
TERUNOBU HIDAKA, ERMA BUDIYANTO, VANICH YA-KLAI, RAVINDRA C. JOSHI, JARQ:Japan Agricultural Research Quarterly. 22(3) , 175-180 (1988-12-01)
22-3-175-180.pdf1.23 MB
Production of Somatic Hybrid Plants through Protoplast Fusion in Citrus
SHOZO KOBAYASHI, TOSHIFUMI OHGAWARA, JARQ:Japan Agricultural Research Quarterly. 22(3) , 181-188 (1988-12-01)
22-3-181-188.pdf1.24 MB
Estimation of Nitrate Leaching in Vegetable Fields in Relation to Precipitation
KAZUO SHIBANO, YOSHIKAZU OHNO, JARQ:Japan Agricultural Research Quarterly. 22(3) , 189-194 (1988-12-01)
22-3-189-194.pdf1015.98 KB
Changes of Chemical Compounds during Green Tea Manufacturing
TOYOMASA ANAN, JARQ:Japan Agricultural Research Quarterly. 22(3) , 195-199 (1988-12-01)
22-3-195-199.pdf839.91 KB
Characteristics of Cattle Tracks on Steep Grassland in Relation to Cattle Behavior and Land Conservation
MUNEO OIKAWA, MASATOSHI SHIMAMURA, MASAAKI USHIYAMA, MASATAKA FUKUYAMA, JARQ:Japan Agricultural Research Quarterly. 22(3) , 200-205 (1988-12-01)
22-3-200-205.pdf979.8 KB
Breeding of New Alfalfa Cultivars for High Quality Forage Production in Warm Regions of Japan
SUSUMU INAMI, JARQ:Japan Agricultural Research Quarterly. 22(3) , 206-213 (1988-12-01)
22-3-206-213.pdf1.14 MB