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

Evaluation of Maturity of Various Composted Materials
AKIO INOKO, JARQ:Japan Agricultural Research Quarterly. 19(2) , 103-108 (1985-10-01)
19-2-103-108.pdf1.09 MB

Quick Detection of Rice Dwarf Virus Infection Employing Its Vector Cell Monolayers
IKUO KIMURA, JARQ:Japan Agricultural Research Quarterly. 19(2) , 109-114 (1985-10-01)
19-2-109-114.pdf915.06 KB

Mechanism of Varietal Resistance to the Rice Green Leafhopper (Nephotettix cincticeps Uhler)
SUSUMU KAWABE, JARQ:Japan Agricultural Research Quarterly. 19(2) , 115-124 (1985-10-01)
19-2-115-124.pdf1.52 MB

C4 Photosynthetic Characteristics of Panicum Species in the Dichotomiflora Group (Gramineae)
RYU OHSUGI, TAKAO MURATA, JARQ:Japan Agricultural Research Quarterly. 19(2) , 125-131 (1985-10-01)
19-2-125-131.pdf1.17 MB

Effects of Silkworm Rearing and Mounting Conditions on Cocoon Reelability
SATORU UEDA, JARQ:Japan Agricultural Research Quarterly. 19(2) , 132-136 (1985-10-01)
19-2-132-136.pdf876.48 KB

Pathogenicity of Newly lsolated Picornavirus (Avian Nephritis Virus) for Chicken
TADAO IMADA, JARQ:Japan Agricultural Research Quarterly. 19(2) , 137-144 (1985-10-01)
19-2-137-144.pdf1.18 MB

Evaluation of Local Varieties of Oriental Pickling Melon as a Useful Vegetable in Summer Season in Okinawa
HIROSHI NAKAMURA, DENJI ISHIUCHI, JARQ:Japan Agricultural Research Quarterly. 19(2) , 145-150 (1985-10-01)
19-2-145-150.pdf923.86 KB

Application of Tes-Tape Method to Examine Viability of Stored Legume Seeds
HIROO TAKESHITA, SHOSHIN KONNO, JARQ:Japan Agricultural Research Quarterly. 19(2) , 151-152 (1985-10-01)
19-2-151-152.pdf520.41 KB

Growth and Yields of Field Crops in Intercropping Culture
TAKATSUGU HORIUCHI, JARQ:Japan Agricultural Research Quarterly. 19(1) , 1-6 (1985-07-01)
19-1-001-006.pdf1.01 MB

Mode of Occurrence and Control of Purple Speck of Soybean
HOZUMI SUZUKI, JARQ:Japan Agricultural Research Quarterly. 19(1) , 7-12 (1985-07-01)
19-1-007-012.pdf994.05 KB

Prediction of Occurrence of the Arrowhead Scale, Unaspis yanonensis (Kuwana), with Statistical Methods in Japan
RYOJI KORENAGA, JARQ:Japan Agricultural Research Quarterly. 19(1) , 13-19 (1985-07-01)
19-1-013-019.pdf1.09 MB

Biological Control of Fusarium Wilt of Sweet Potato with Cross-Protection by Prior Inoculation with Nonpathogenic Fusarium oxysporum
KEI OGAWA, HAJIMU KOMADA, JARQ:Japan Agricultural Research Quarterly. 19(1) , 20-25 (1985-07-01)
19-1-020-025.pdf5.47 MB

Seed Transmission of Downy Mildews of Spinach and Soybean
TADAOKI INABA, JARQ:Japan Agricultural Research Quarterly. 19(1) , 26-31 (1985-07-01)
19-1-026-031.pdf1.01 MB

Analysis of Minerals in Tea by an Inductively Coupled Plasma-Atomic Emission Spectrometry
TADAKAZU TAKEO, JARQ:Japan Agricultural Research Quarterly. 19(1) , 32-39 (1985-07-01)
19-1-032-039.pdf1.11 MB

The Origin of the Tea Plant
MINORU HASIMOTO, JARQ:Japan Agricultural Research Quarterly. 19(1) , 40-43 (1985-07-01)
19-1-040-043.pdf773.53 KB

Agronomic Characters of Mulberry Varieties Cultivated in South Sulawesi of Indonesia
MASARU YAMAMOTO, JARQ:Japan Agricultural Research Quarterly. 19(1) , 44-47 (1985-07-01)
19-1-044-047.pdf660.8 KB

Carbon, Nitrogen and Energy Source Requirements during Shooting in Mulberry Plants
TADAAKI YAMASHITA, JARQ:Japan Agricultural Research Quarterly. 19(1) , 48-54 (1985-07-01)
19-1-048-054.pdf1.11 MB

Coastal Disaster Prevention Forests in Japan
TETSUYA KUDOH, JARQ:Japan Agricultural Research Quarterly. 19(1) , 55-58 (1985-07-01)
19-1-055-058.pdf821.59 KB

Improvement of Raising Method of Dairy Calves in Malaysia : 2. Substitutes for imported soybean meal in calf starter rations
EITARO IMAIZUMI, C. DEVENDRA, JARQ:Japan Agricultural Research Quarterly. 19(1) , 59-69 (1985-07-01)
19-1-059-069.pdf1.83 MB

Selection of Resistant Parents in a Tomato Breeding Program for Late Blight Resistance in Cameron Highlands, Malaysia
TAKESHI NISHIO, TOSHIO HANADA, SHUKOR B. NORDIN, JARQ:Japan Agricultural Research Quarterly. 19(1) , 70-76 (1985-07-01)
19-1-070-076.pdf1.18 MB

Gibberellins in Immature Seeds of the Gramineae - Chemotaxonomic considerations -
YUTAKA MURAKAMI, JARQ:Japan Agricultural Research Quarterly. 18(4) , 241-251 (1985-03-01)
18-4-241-251.pdf1.38 MB

Photosynthesis Measurement by Oxygen Electrode as a Simple Bioassay Method
HITOSHI SAKA, HIDEO CHISAKA, JARQ:Japan Agricultural Research Quarterly. 18(4) , 252-259 (1985-03-01)
18-4-252-259.pdf1.36 MB

Concentration of Soybean Roots in Uppermost Layers of Cerrado Soils of Brazil
HIROSHI KAWASAKI, FUMIO IWATA, MANOEL V. DE MESQUITA FILHO, JARQ:Japan Agricultural Research Quarterly. 18(4) , 260-267 (1985-03-01)
18-4-260-267.pdf1.43 MB

Differences of Response to Cool Summer Damage and Wet Damage among Upland Crops
HISAO SHIOZAKI, KAZUNARI TSUCHIYA, JARQ:Japan Agricultural Research Quarterly. 18(4) , 268-274 (1985-03-01)
18-4-268-274.pdf1.15 MB

Classification of Cultivated Soils in Japan
YOJI AMANO, JARQ:Japan Agricultural Research Quarterly. 18(4) , 275-283 (1985-03-01)
18-4-275-283.pdf1.56 MB

Utilization of Rootstocks in Cucurbits Production in Japan
TAKEO KAWAIDE, JARQ:Japan Agricultural Research Quarterly. 18(4) , 284-289 (1985-03-01)
18-4-284-289.pdf968.17 KB

Sieving Technique with the Glass Beads Layer for Detection and Quantitation of Fasciola Eggs in Cattle Feces
NORIYUKI TAIRA, JARQ:Japan Agricultural Research Quarterly. 18(4) , 290-297 (1985-03-01)
18-4-290-297.pdf1.2 MB

Diagnosis of Bovine Mastitis by Determination of Lysosomal Enzyme Activity in Milk
YOSHIAKI OBARA, JARQ:Japan Agricultural Research Quarterly. 18(4) , 298-304 (1985-03-01)
18-4-298-304.pdf1.18 MB

Ecological Characters of Ectomycorrhizal Fungi and Their Mycorrhizae : - An introduction to the ecology of higher fungi -
MAKOTO OGAWA, JARQ:Japan Agricultural Research Quarterly. 18(4) , 305-314 (1985-03-01)
18-4-305-314.pdf1.66 MB

Mechanical properties of Tropical Woods
TAKASHI NAKAI, JARQ:Japan Agricultural Research Quarterly. 18(4) , 315-323 (1985-03-01)
18-4-315-323.pdf1.66 MB