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

Partitioning and Utilization of Nitrogen in Rice Plants
TADAHIKO MAE, JARQ:Japan Agricultural Research Quarterly. 20(2) , 115-120 (1986-09-01)
20-2-115-120.pdf1.21 MB

Absorption and Assimilation of Nitrogen by Rice Plants : - A Review on 15N Study in Japan -
TADAKATSU YONEYAMA, JARQ:Japan Agricultural Research Quarterly. 20(2) , 121-126 (1986-09-01)
20-2-121-126.pdf1.23 MB

Fate of Nitrogen in Paddy Fields and Nitrogen Absorption by Rice Plants
SADAO SHOJI, HO ANDO, GENSHICHI WADA, JARQ:Japan Agricultural Research Quarterly. 20(2) , 127-134 (1986-09-01)
20-2-127-134.pdf1.41 MB

Relationship between Nitrogen Absorption and Growth and Yield of Rice Plants
GENSHICHI WADA, SADAO SHOJI, TADAHIKO MAE, JARQ:Japan Agricultural Research Quarterly. 20(2) , 135-145 (1986-09-01)
20-2-135-145.pdf1.94 MB

A New Direct Seeding Culture of Rice in Hokkaido : - Its characteristics and stabilization of seedling establishment -
HIROTOSHI AWAZAKI, YOSHIKAZU OHNO, JARQ:Japan Agricultural Research Quarterly. 20(1) , 1-12 (1986-07-01)
20-1-001-012.pdf1.85 MB

Determination of Post-Seeding Period of Weed-Free Field Condition, on the Basis of Light Competition between Upland Crops and Weeds
KATSUYOSHI NOGUCHI, JARQ:Japan Agricultural Research Quarterly. 20(1) , 13-19 (1986-07-01)
20-1-013-019.pdf1.12 MB

Strategy of Rice Gall Midge Control
TERUNOBU HIDAKA, NYOMAN WIDIARTA, JARQ:Japan Agricultural Research Quarterly. 20(1) , 20-24 (1986-07-01)
20-1-020-024.pdf930.52 KB

Rice Stemborers in Indonesia
ISOKO HATTORI, SRI SUHARNI SIWI, JARQ:Japan Agricultural Research Quarterly. 20(1) , 25-30 (1986-07-01)
20-1-025-030.pdf903.8 KB

Development of a New Combine Equipped with Screw Type Threshing and Separating Mechanisms
TOMOHIKO ICHIKAWA, TAKAO SUGIYAMA, JARQ:Japan Agricultural Research Quarterly. 20(1) , 31-37 (1986-07-01)
20-1-031-037.pdf1.17 MB

Excess Manganese Disorder in Fruit Trees
KOJI AOBA, JARQ:Japan Agricultural Research Quarterly. 20(1) , 38-47 (1986-07-01)
20-1-038-047.pdf1.65 MB

Maturity and Its Regulation in Satsuma Mandarin Fruit
HIROSHI DAITO, JARQ:Japan Agricultural Research Quarterly. 20(1) , 48-59 (1986-07-01)
20-1-048-059.pdf2.16 MB

Evaluation of an Enzyme-Linked Immunosorbent Assay(ELISA) Using Mycobacterium phlei - Absorbed Serum for the Diagnosis of Bovine Paratuberculosis in a Field Study
YUICHI YOKOMIZO, JARQ:Japan Agricultural Research Quarterly. 20(1) , 60-67 (1986-07-01)
20-1-060-067.pdf1.41 MB

Effect of a Subunit Vaccine Prepared from Virus-Infected Cell Membrane on Aujeszky's Disease in Pigs
MITSUGU SHIMIZU, JARQ:Japan Agricultural Research Quarterly. 20(1) , 68-71 (1986-07-01)
20-1-068-071.pdf772.07 KB

Breeding Scheme for Beef Cattle by Use of Embryo Transfer
HIROTAKA TANAKA, TSUTOMU FURUKAWA, YUKIO YAMADA, JARQ:Japan Agricultural Research Quarterly. 20(1) , 72-77 (1986-07-01)
20-1-072-077.pdf1.03 MB

Virus Diseases Occurring on Some Vegetable Crops in West Malaysia
ICHIRO FUJISAWA, TOSHIO HANADA, SAHARAN b. ANANG, JARQ:Japan Agricultural Research Quarterly. 20(1) , 78-84 (1986-07-01)
20-1-078-084.pdf1.55 MB

Above-Ground Biomass and the Growth of Bamboo Stands in the Philippines
TAKEYOSHI SUZUKI, DOMINGO V. JACALNE, JARQ:Japan Agricultural Research Quarterly. 20(1) , 85-91 (1986-07-01)
20-1-085-091.pdf1.23 MB

Rice Breeding for Extremely Higher Yielding Ability by Japonica-Indica Hybridization
CHUKICHI KANEDA, JARQ:Japan Agricultural Research Quarterly. 19(4) , 235-240 (1986-03-01)
19-4-235-240.pdf1.22 MB

Physiological Studies on Postharvest Deterioration of Cassava Roots
SHOHEI HIROSE, JARQ:Japan Agricultural Research Quarterly. 19(4) , 241-252 (1986-03-01)
19-4-241-252.pdf1.94 MB

Comparison of B. napus to B. campestris and B. oleracea Based on the Cytoplasmic Characters; Cytoplasmic Male Sterility and Chloroplast DNA
YASUNOBU OHKAWA, JARQ:Japan Agricultural Research Quarterly. 19(4) , 253-258 (1986-03-01)
jarq19-4_253-258.pdf961.35 KB

Infection Cycle of Watermelon Mosaic Virus
TAKASHI YAMAMOTO, JARQ:Japan Agricultural Research Quarterly. 19(4) , 259-265 (1986-03-01)
19-4-259-265.pdf1.17 MB

Translocation and Distribution of Photosynthates in Tomato Plants
HIROSHI YOSHIOKA, JARQ:Japan Agricultural Research Quarterly. 19(4) , 266-270 (1986-03-01)
19-4-266-270.pdf947.74 KB

Utilization of Granulosis Viruses for Controlling Leafrollers in Tea Fields
TAKERU SATO, NOBUHIKO OHO, SHIGEHIRO KODOMARI, JARQ:Japan Agricultural Research Quarterly. 19(4) , 271-275 (1986-03-01)
19-4-271-275.pdf1.04 MB

Differences in Caffeine, Flavanols and Amino Acids Contents in Leaves of Cultivated Species and Hybrids in the Genus Camellia
TADAHIRO NAGATA, JARQ:Japan Agricultural Research Quarterly. 19(4) , 276-280 (1986-03-01)
19-4-276-280.pdf378.73 KB

Biometrical Breeding of Forage Turnip in Japan
HISAO FUKUOKA, JARQ:Japan Agricultural Research Quarterly. 19(4) , 281-286 (1986-03-01)
19-4-281-286.pdf1.11 MB

Serotypes and Antibiotic Resistance of Erysipelothrix rhusiopathiae Strains Isolated from Pigs Affected with Chronic Swine Erysipelas
TOSHIO TAKAHASHI, TAKUO SAWADA, KENICHI OHMAE, MASAMI TAKAGI, MASATAKE MURAMATSU, NOBUYUKI TERAKADO, KENJI SETO, TSUTOMU MARUYAMA, MASAKO KANZAKI, JARQ:Japan Agricultural Research Quarterly. 19(4) , 287-294 (1986-03-01)
19-4-287-294.pdf1.28 MB

Accumulation of Sucrose in Irradiated Agricultural Products
TORU HAYASHI, JARQ:Japan Agricultural Research Quarterly. 19(4) , 295-301 (1986-03-01)
19-4-295-301.pdf1.17 MB

International Symposium on Virus Diseases of Rice and Leguminous Crops in the Tropics
, JARQ:Japan Agricultural Research Quarterly. 19(4) , 302-305 (1986-03-01)
19-4-302-305.pdf809.97 KB

Variation and Inheritance of Resistance of Rice to Green Leafhopper in Malaysia
TADASHI TAKITA, HABIBUDDIN HASHIM, JARQ:Japan Agricultural Research Quarterly. 19(4) , 306-310 (1986-03-01)
19-4-306-310.pdf1.27 MB

A Nutritional Disorder of Rice Plants Observed in Brunei
KOJI YOSHIDA, SHIGEKAZU YAMAMURO, JARQ:Japan Agricultural Research Quarterly. 19(4) , 311-314 (1986-03-01)
19-4-311-314.pdf643.25 KB

Mutagenic Effects of DNA Base Analogues on Agronomic Characters of Rice (Oryza sativa L.)
KIICHI FUKUI, JARQ:Japan Agricultural Research Quarterly. 19(3) , 153-158 (1985-12-01)
19-3-153-158.pdf1.09 MB