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

Dwarfing Rootstocks of Apple
SHICHIRO TSUCHIYA, JARQ:Japan Agricultural Research Quarterly. 13(4) , 242-246 (1979-10-01)
13-4-242-246.pdf932.99 KB

A Rapid Germinability Test Using Sugars Exuded from Tea Seeds
SHUN AMMA, JARQ:Japan Agricultural Research Quarterly. 13(4) , 247-249 (1979-10-01)
13-4-247-249.pdf530.5 KB

Meat Productivity of Sinhala Cattle
MITSUO OKADA, SINOBU OZAWA, S. L. GAMINI, P. THANGARAJAH, V. BUVANENDRAN, JARQ:Japan Agricultural Research Quarterly. 13(4) , 250-255 (1979-10-01)
13-4-250-255.pdf1.03 MB

Durability of Tropical Woods
SHOJI AMEMIYA, SHOSHIRO MATSUOKA, JARQ:Japan Agricultural Research Quarterly. 13(4) , 256-262 (1979-10-01)
13-4-256-262.pdf985.42 KB

Physiological basis of genotype-temperature interactions in cassava
YUKIO IRIKURA, JAMES H. COCK, KAZUO KAWANO, JARQ:Japan Agricultural Research Quarterly. 13(4) , 263-265 (1979-10-01)
13-4-263-265.pdf485.15 KB

Trends and Problems of Konjak (Amorphophallus konjac) Cultivation in Japan
HIROSHI KURIHARA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 174-179 (1979-07-01)
13-3-174-179.pdf1 MB

Recurrent Selection by Using Genetic Male Sterility for Rice Improvement
HIROSHI FUJIMAKI, JARQ:Japan Agricultural Research Quarterly. 13(3) , 153-156 (1979-06-01)
13-3-153-156.pdf848.9 KB

Agroecological Classification and Geographical Distribution of the Common Buckwheat, Fagopyrum esculentum M. in the East Asia
TOSHIKO MATANO , AKIO UJIHARA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 157-162 (1979-06-01)
13-3-157-162.pdf983.36 KB

Soil Management and Nitrogen Fertilization for Increasing Soybean Yield
TAKASHI YOSHIDA , JARQ:Japan Agricultural Research Quarterly. 13(3) , 163-168 (1979-06-01)
13-3-163-168.pdf1.06 MB

Photosynthesis and Yield of Rapeseed
SHINOBU INANAGA, ATSUHIKO KUMURA, YOSHIO MURATA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 169-173 (1979-06-01)
jarq13-3_169-173.pdf747.03 KB

Ecological Analysis of Photosynthesis of Barley and Wheat
GENKICHI TAKEDA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 180-185 (1979-06-01)
13-3-180-185.pdf1017.48 KB

Changes in Chemical Composition of Soybean Seeds during Ripening
SHOSHIN KONNO, JARQ:Japan Agricultural Research Quarterly. 13(3) , 186-194 (1979-06-01)
13-3-186-194.pdf1.24 MB

Effects of Polyethylene Film Mulch on Growth and Yield of Mulberry
MATSUJI ONO, JARQ:Japan Agricultural Research Quarterly. 13(3) , 195-199 (1979-06-01)
13-3-195-199.pdf801.63 KB

Control of Aquatic Weeds by Grass Carp (Ctenopharyngodon idellus VAL)
MINORU TSUCHIYA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 200-203 (1979-06-01)
13-3-200-203.pdf753.3 KB

Dissemination of Weed Seeds through Cow Feces
MINORU TAKABAYASHI, TETSUO KUBOTA, HAYASHI ABE, JARQ:Japan Agricultural Research Quarterly. 13(3) , 204-207 (1979-06-01)
13-3-204-207.pdf661.58 KB

Past and Recent Progress of the Forest Fertilization in Japan
HIROSHI HARADA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 208-210 (1979-06-01)
13-3-208-210.pdf516.49 KB

Nitorogen fixation by the roots of Pennisetum purpureum and some other C4 grass species
MUNEAKI SAMEJIMA, TOSHIZO HORIBATA, JARQ:Japan Agricultural Research Quarterly. 13(3) , 211-213 (1979-06-01)
13-3-211-213.pdf461.8 KB

Rice Yield-Decrease Resulting from the Continuation of Direct-Sowing Culture
YOSHIMASA UEMURA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 81-84 (1979-04-01)
13-2-081-084.pdf732.33 KB

Diurnal Course of Stomatal Aperture of Leaf Blades in Rice Plants
KUNI ISHIHARA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 85-89 (1979-04-01)
13-2-085-089.pdf947.34 KB

High Temperature Damage to Ripening in Rice Plant
KANOE SATO, JARQ:Japan Agricultural Research Quarterly. 13(2) , 90-95 (1979-04-01)
13-2-090-095.pdf1.1 MB

Plant Population and Spacing for Sugar Beet
YUJI HANAI, YOICHI IZUMIYAMA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 96-100 (1979-04-01)
13-2-096-100.pdf854.22 KB

Relationship between Stomatal Frequency and Photosynthesis in Barley
TOMOHIKO YOSHIDA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 101-105 (1979-04-01)
13-2-101-105.pdf914.84 KB

Performance of Four Wheel Drive Tractor
MASAYUKI KISU, JARQ:Japan Agricultural Research Quarterly. 13(2) , 106-109 (1979-04-01)
13-2-106-109.pdf665.41 KB

Evaluation of Nutritive Value of Forages by Golden Hamster
TOMIHARU MANDA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 110-115 (1979-04-01)
13-2-110-115.pdf1011.63 KB

Hormonal Control of Silk Production in Silkworm, Bombyx mori
HIROMU AKAI, JARQ:Japan Agricultural Research Quarterly. 13(2) , 116-122 (1979-04-01)
13-2-116-122.pdf1.33 MB

Akabane Disease : An Epizootic Congenital Arthrogryposis-Hydranencephaly Syndrome in Cattle, Sheep and Goats Caused by Akabane Virus
YUJI INABA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 123-133 (1979-04-01)
13-2-123-133.pdf1.85 MB

Studies of Prolactin and Growth Hormone Secretion in Dairy Cattle by Radioimmunoassay
TETSU JOHKE, JARQ:Japan Agricultural Research Quarterly. 13(2) , 134-137 (1979-04-01)
13-2-134-137.pdf671.5 KB

Forest Tree Breeding in Japan
KIHACHIRO OHBA, JARQ:Japan Agricultural Research Quarterly. 13(2) , 138-144 (1979-04-01)
13-2-138-144.pdf1.06 MB

Phosphate sorption by Indonesian paddy soils
MASANORI MIYAKE, JARQ:Japan Agricultural Research Quarterly. 13(2) , 145-148 (1979-04-01)
jarq13-2_145-148.pdf827.56 KB

Differentiation in sorghum varieties caused by tropical and temperate environments
TAKANORI IMAI, ARTURO A. GOMEZ, JARQ:Japan Agricultural Research Quarterly. 13(2) , 149-151 (1979-04-01)
jarq13-2_149-151.pdf536.32 KB