Development of a method for evaluate crop growth characteristics based on non-destructive measurements Yoshihiro Hirooka JAPR Journal, 55(8) 17-20, Oct, 2021
Estimation of planting date in paddy fields by time-series MODIS data for basin-scale rice productin modeling Tsujimoto, K, Ohta, T, Hirooka, Y, Homma K PAWEES & INWEPF International Conference 2018, 102-111, Nov, 2018
Evaluation of rice productivity with plant canopy analyzer in farmers’ fields in Lao PDR Hirooka, Y, Homma, K, Maki, M, Sekiguchi, K Proceedings of the 8th Asian Crop Science Association Conference. Sustainable Crop Production in response to Global Climate Change and Food Security, 37-42, 2015
A report of educational program in Royal University of Agriculture in Cambodia: Water environment on rice cropping in Pursat Province Kodo, T, Homma, K, Hirooka, Y, Yagura, K, Soben, K, Kobayashi, S, Hori, M, Hoshikawa, K, Hyakumura, K, Kono, Y, Koike T Proc. The 11th International Symposium on Southeast Asian Water Environment (SEAWE 11), 436-439, 2014
Evaluation of the nutritional environment for rice in Cianjur, Indonesia, for development of an advanced basin model for Asia Homma, K, Sigit, G, Handarto, Maki, M, Hongo, C, Yoshida, K, Oki, K, Shirakawa, H, Shiraiwa, T, Hara, R, Kambayashi, M, Hirooka, Y, Iwamoto H Proc. the 7th Asian Crop Science Conference. Improving Food, Energy and Environment with Better Crops. Bogor, Indonesia., 96-100, 2013
The nutritional environment in nonfertilized rice production and its effect on the nutritional quality of brown rice Hara, R, Homma, K, Hirooka, Y, Kuwada, M, Shiraiwa T Proc. the 7th Asian Crop Science Conference. Improving Food, Energy and Environment with Better Crops. Bogor, Indonesia., 101-106, 2013
Canopy structure affects the estimation accuracy of the leaf area index when using vegetation index derived from spectral reflectance in rice Yu Iwahashi, Yoshihiro Hirooka, Hiromo Inoue, Zhenjing Xu, Tatsuhiko Shiraiwa, Tetsuya Nakazaki 6th International Rice Congress 2023年10月16日
The effect of ultra-fine bubble on soybean growth under osmotic stress condition Kaito Yamashita, Yoshihiro Hirooka, Yoshikatsu Ueda, Koji Yamane, Chikashi Kamimura, Morio Iijima 10th Asian Crop Science Association Conference (ACSAC10) 2021年9月
Rice introduction to Botswana through the collaboration with Namibia and Japan; Natural and Social environment for rice cropping in Okavango Delta Keotshephile Kashe, Simon K. Awala, Pamwenafye, I. Nanhapo, Yoshihiro Hirooka, Morio Iijima 10th Asian Crop Science Association Conference (ACSAC10) 2021年9月
Enhancement of drought-tolerance of sorghum by the close mixed-planting of pearl millet Morio Iijima, Simon K. Awala, Pamwenafye I. Nanhapo, Yoshihiro Hirooka, Keotshephile Kashe 10th Asian Crop Science Association Conference (ACSAC10) 2021年9月
Effects of ridging and fertilizer application on crop yield and growth under unstable water environments Yoshihiro Hirooka, Simon K. Awala, Pamwenafye, I. Nanhapo, Koichi Shoji, Yoshinori Watanabe, Yasuhiro Izumi, Morio Iijima 10th Asian Crop Science Association Conference (ACSAC10) 2021年9月
Close mixed-planting enhances both flood- and drought- tolerance of upland crops and rice Iijima M, Yamane K, Hirooka Y 3rd International conference on Agricultural and Food Science 2018年11月
Estimation of planting date in paddy felds by time‑series MODIS data for basin‑scale rice production modeling Tsujimoto K, Ohta T, Hirooka Y, Homma K PAWEES & INWEPF International Conference 2018 Nara, Japan 2018年11月
Growth and yield performance of short-duration rice (Oryza sativa L.) genotypes in North-Central Namibia Amwenyo MLD, Awala SK, Lwiinga T, Hirata N, Nanhapo PI, Hove K, Mwandemele OD, Wanga MA, Yamane K, Hirooka Y, Iijima M 2nd International Conference on Agriculture and Natural Resources Research and Innovation 2018年10月
Yield and yield components of early-maturing rice (Oryza sativa L.) genotypes Shivute V, Awala SK, Lwiinga T, Hirata N, Hove K, Nanhapo PI, Mwandemele OD, Wanga MA, Yamane K, Hirooka Y, Iijima M 2nd International Conference on Agriculture and Natural Resources Research and Innovation 2018年10月
A study on the effect of fertilizer application on growth and yield components of pearl millet (Pennisetum glaucum L.) subjected to field flooding Hailemo RWN, Awala SK, Hirooka Y, Nanhapo PI, Iijima M 2nd International Conference on Agriculture and Natural Resources Research and Innovation 2018年10月
Enhancement of flood stress tolerance for upland-adapted cereal crops by the close mixed-planting with rice Iijima, M, Awala, S.K, Hirooka, Y, Yamane, K 9th Asian Crop Science Association Conference 2017年6月
Exploration of suitable rice cultivars for close mixed planting with upland-adapted cereal crop Shinohara, N, Shimamoto, H, Kawato, Y, Wanga, A. M, Hirooka, Y, Yamane, K, Iijima, M 9th Asian Crop Science Association Conference 2017年6月
Drought stress mitigation on sorghum by the close mixed-planting with pearl millet Wanga, M.A, Kawato, Y, Shimamoto, H, Hirooka, Y, Yamane, K, Iijima, M 第243回日本作物学会 2017年3月
ナミビア季節湿地帯における 畝立ての方法がササゲの生育・収量に与 える影響 土屋賢太, 庄司浩一, 渡邊芳倫, 廣岡義博, 泉 泰弘, 宇都宮鑑彦, Simon K. Awala, 飯嶋盛雄 日本農作業学会 2017年度 春季大会 2017年3月
Development of a method for evaluating vertical leaf area distribution in rice Hirooka, Y, Homma, K, Shiraiwa, T ASA, CSSA, SSSA International Annual Meeting, Minneapolis, MN, USA 2015年11月
Development of evaluation method of rice productiviry in farmers’ fields in Vientiane Province, Lao Hirooka, Y Joint workshop on sustainability development in rural areas considering nexus among water, food and energy in Laos 2015年7月
Analysis of characteristic of canopy structure in erect panicle type of rice Hirooka, Y, Homma, K, Shiraiwa, T, Xu, Z, Tang L 4th International Rice Congress 2014年11月
Evaluation of rice growth environment in farmers’ field in Lao PDR by remote sensing Hirooka,Y, Homma,K, Maki,M, Sekiguchi,K 8th Asian Crop Science Association Conference (ACSAC) 2014年9月
Evaluation on dynamics of leaf area index (LAI) of rice in farmer’s fields in Vientiane Province, Lao PDR Hirooka, Y, Homma, K, Maki,M, Sekiguchi, K International Symposium on Agricultural Meteorology, Sapporo, Japan 2014年3月
Evaluation of the effects of cultivars and nutritional environments on dynamics of leaf area index of rice by using plant canopy analyzer Hirooka,Y, Homma,K, Shiraiwa,T, Kuwada, M 6th International Crop Science Congress 2012年8月
