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

Soil-Borne Plant Diseases and Their Pathogens in Japan
TADAO UI, JARQ:Japan Agricultural Research Quarterly. 6(1) , 28-32 (1971-01-01)
06-1-028-032.pdf898.23 KB

Suggestions on Improvement of Chemical Application for Controlling Rice Stem Borer and Hoppers
TOSHIATSU KOYAMA, JARQ:Japan Agricultural Research Quarterly. 6(1) , 33-37 (1971-01-01)
06-1-033-037.pdf939.2 KB

Development of Threshing Machine in Japan
FUKUJI MIYAZAWA, JARQ:Japan Agricultural Research Quarterly. 6(1) , 38-40 (1971-01-01)
06-1-038-040.pdf568.32 KB

Cucumber Green Mottle Mosaic Virus on Cucumber and Watermelon and Melon Necrotic Spot Virus on Muskmelon
YASUO KOMURO, JARQ:Japan Agricultural Research Quarterly. 6(1) , 41-45 (1971-01-01)
06-1-041-045.pdf884.6 KB

Available Phosphorus Content of Soil and Absorption of Phosphorus by Tea Plants
KENJIRO IKEGAYA, JARQ:Japan Agricultural Research Quarterly. 6(1) , 46-50 (1971-01-01)
06-1-046-050.pdf830.63 KB

Etiology and Serological Diagnosis of Swine Atrophic Rhinitis
TAKESHI SHIMIZU, JARQ:Japan Agricultural Research Quarterly. 6(1) , 51-54 (1971-01-01)
06-1-051-054.pdf747.44 KB

Six Foreign Senior Research Administrators Visit Japan
, JARQ:Japan Agricultural Research Quarterly. 6(1) , 55-56 (1971-01-01)
06-1-055-056.pdf320.9 KB

Institute of Radiation Breeding
KATSURA KARIYA, JARQ:Japan Agricultural Research Quarterly. 6(1) , 57-61 (1971-01-01)
06-1-057-061.pdf938.29 KB

Utilization of Related Species on Breeding of Sweet Potato in Japan
SATOSHI SAKAMOTO, JARQ:Japan Agricultural Research Quarterly. 5(4) , 1-4 (1970-01-01)
05-4-001-004.pdf764.6 KB

Rape Breeding by Interspecific Crossing Between Brassica napus and Brassica campestris in Japan
TOSHIO SHIGA, JARQ:Japan Agricultural Research Quarterly. 5(4) , 5-10 (1970-01-01)
05-4-005-010.pdf1.1 MB

Principal Component Analysis : Its Application to Classification and Selection in Relation to Maize Breeding
NOBORU MOCHIZUKI, JARQ:Japan Agricultural Research Quarterly. 5(4) , 11-16 (1970-01-01)
05-4-011-016.pdf1003.88 KB

Regional Differences in the Quality of Castor Seeds and Oil
TAKAO UEDA, JARQ:Japan Agricultural Research Quarterly. 5(4) , 17-20 (1970-01-01)
05-4-017-020.pdf804.35 KB

Sugar Cane Growing in Southeast Asia: Yesterday, Today and Tomorrow
MORIMASA YAMASAKI, MASAHARU KURAMITSU, JARQ:Japan Agricultural Research Quarterly. 5(4) , 21-25 (1970-01-01)
05-4-021-025.pdf1.09 MB

Forecasting Techniques of Rice Blast
TOMIO YAMAGUCHI, JARQ:Japan Agricultural Research Quarterly. 5(4) , 26-30 (1970-01-01)
05-4-026-030.pdf932.87 KB

Chemical Thinning of Satsuma Mandarin by NAA (α-Naphthalene acetic acid)
KAZUYOSHI HIROSE, JARQ:Japan Agricultural Research Quarterly. 5(4) , 31-33 (1970-01-01)
05-4-031-033.pdf513.63 KB

Underdrainage System in Paddy Field
HISAO NEGISHI, JARQ:Japan Agricultural Research Quarterly. 5(4) , 34-37 (1970-01-01)
05-4-034-037.pdf780.8 KB

Origin and Differentiation of the Silkworm Races
NARUMI YOSHITAKE, JARQ:Japan Agricultural Research Quarterly. 5(4) , 38-43 (1970-01-01)
05-4-038-043.pdf973.89 KB

Bioassay Procedure of Energy Sources for Poultry Feed and Estimation of Available Energy of Cassava Meal
MINORU YOSHIDA, JARQ:Japan Agricultural Research Quarterly. 5(4) , 44-47 (1970-01-01)
05-4-044-047.pdf643.03 KB

Mixed Infection with Mycoplasma gallisepticum and the Bl or TCND Strain of Newcastle Disease Virus in Chickens
SHIZUO SATO, JARQ:Japan Agricultural Research Quarterly. 5(4) , 48-53 (1970-01-01)
05-4-048-053.pdf1012.21 KB

Root Research Phytotron
KIYOSHI SHIMURA, JARQ:Japan Agricultural Research Quarterly. 5(4) , 54-57 (1970-01-01)
05-4-054-057.pdf635.66 KB

Symposium on Farm Mechanization
, JARQ:Japan Agricultural Research Quarterly. 5(4) , 58-61 (1970-01-01)
05-4-058-061.pdf744.33 KB

SERIES 7 : HOKKAIDO NATIONAL AGRICULTURAL EXPERIMENT STATION
, JARQ:Japan Agricultural Research Quarterly. 5(4) , 63-64 (1970-01-01)
05-4-063-064.pdf264.26 KB

Diagnostic Methods for the Measurement Of Root Activity in Rice Plant
YASUO ŌTA, JARQ:Japan Agricultural Research Quarterly. 5(3) , 1-6 (1970-01-01)
05-3-001-006.pdf1.03 MB

Simple Methods for Estimating the Actual Yield in Individual Rice Fields
SEIZO MATSUSHIMA, JARQ:Japan Agricultural Research Quarterly. 5(3) , 7-11 (1970-01-01)
05-3-007-011.pdf953.03 KB

Direct Seeding of Rice by Seed Tape
OSAMU OGAWA, JARQ:Japan Agricultural Research Quarterly. 5(3) , 12-15 (1970-01-01)
05-3-012-015.pdf737.96 KB

Effects of Soluble Nitrogenous Components On the Growth of Soybean Plants
JUNJI ISHIZUKA, JARQ:Japan Agricultural Research Quarterly. 5(3) , 16-20 (1970-01-01)
05-3-016-020.pdf750.88 KB

Coated Fertilizer for the Controlled Release of Nutrient
KIYOSHI KURIHARA, JARQ:Japan Agricultural Research Quarterly. 5(3) , 21-25 (1970-01-01)
05-3-021-025.pdf836.35 KB

Iodine and Bromine in Soil-Plant System with Special Reference To "Reclamation-Akagare Disease" of Lowland Rice
KIYOSHI TENSHO, JARQ:Japan Agricultural Research Quarterly. 5(3) , 26-32 (1970-01-01)
05-3-026-032.pdf1023.62 KB

Relations Between Trafficability and Physical Properties of Soils in Paddy Field
KINICHI KOKUBUN, JARQ:Japan Agricultural Research Quarterly. 5(3) , 33-37 (1970-01-01)
05-3-033-037.pdf819.77 KB

Relations Between Composition of Exchangeable Bases of Soil and Growth of Tea Plant
KENJIRO IKEGAYA, JARQ:Japan Agricultural Research Quarterly. 5(3) , 38-42 (1970-01-01)
05-3-038-042.pdf782.14 KB