Discriminating crops/weeds in an upland rice field from UAV images with the SLIC-RF algorithm

by Kensuke Kawamura, Hidetoshi Asai, Taisuke Yasuda, Pheunphit Soisouvanh, Sengthong Phongchanmixay
Published 2020-10-01

Progress in varietal improvement for increasing upland rice productivity in the tropics

by Kazuki Saito, Hidetoshi Asai, Dule Zhao, Alice G. Laborte, Cécile Grenier
Published 2018-07-01

Field phenotyping of plant height in an upland rice field in Laos using low-cost small unmanned aerial vehicles (UAVs)

by Kensuke Kawamura, Hidetoshi Asai, Taisuke Yasuda, Phanthasin Khanthavong, Pheunphit Soisouvanh, Sengthong Phongchanmixay
Published 2020-10-01

Vis-NIR Spectroscopy and PLS Regression with Waveband Selection for Estimating the Total C and N of Paddy Soils in Madagascar

by Kensuke Kawamura, Yasuhiro Tsujimoto, Michel Rabenarivo, Hidetoshi Asai, Andry Andriamananjara, Tovohery Rakotoson
Published 2017-10-01

The Relationship between the Physical Quality of Rice and the Market Price: A Case Study in Savannakhet, Laos, Using a Bayesian Approach

by Kensuke D. Kawamura, Hidetoshi Asai, Shintaro Kobayashi, Soukasdachanh Souvannasing, Phonevilay Sinavong, Thavone Inthavong
Published 2018-11-01

Impacts of the continuous maize cultivation on soil properties in Sainyabuli province, Laos

by Kazuhiko Fujisao, Phanthasin Khanthavong, Saythong Oudthachit, Naruo Matsumoto, Koki Homma, Hidetoshi Asai, Tatsuhiko Shiraiwa
Published 2020-07-01

Identifying key traits in high-yielding rice cultivars for adaptability to both temperate and tropical environments

by Toshiyuki Takai, Patrick Lumanglas, Eliza Vie Simon, Yumiko Arai-Sanoh, Hidetoshi Asai, Nobuya Kobayashi
Published 2019-10-01

Root Response to Soil Water Status via Interaction of Crop Genotype and Environment

by Phanthasin Khanthavong, Shin Yabuta, Hidetoshi Asai, Md. Amzad Hossain, Isao Akagi, Jun-Ichi Sakagami
Published 2021-04-01

Exploring relevant wavelength regions for estimating soil total carbon contents of rice fields in Madagascar from Vis-NIR spectra with sequential application of backward interval P...

by Kensuke Kawamura, Tomohiro Nishigaki, Yasuhiro Tsujimoto, Andry Andriamananjara, Michel Rabenaribo, Hidetoshi Asai, Tovohery Rakotoson, Tantely Razafimbelo
Published 2021-01-01

Laboratory Visible and Near-Infrared Spectroscopy with Genetic Algorithm-Based Partial Least Squares Regression for Assessing the Soil Phosphorus Content of Upland and Lowland Rice...

by Kensuke Kawamura, Yasuhiro Tsujimoto, Tomohiro Nishigaki, Andry Andriamananjara, Michel Rabenarivo, Hidetoshi Asai, Tovohery Rakotoson, Tantely Razafimbelo
Published 2019-03-01

Pharmacological Characterization of T-2328, 2-Fluoro-4’-methoxy- 3’-[[[(2S,3S )-2-phenyl-3-piperidinyl]amino]methyl]-[1,1’-biphenyl]-4- carbonitrile Dihydrochloride, as a Brain-Pen...

by Yumi Watanabe, Hidetoshi Asai, Taketoshi Ishii, Satoko Kiuchi, Masahito Okamoto, Hiroyuki Taniguchi, Masaaki Nagasaki, Akira Saito
Published 2008-01-01

Evidence for interleukin-5 in nasal polyps in aspirin-induced asthma

by Norihisa Ogata, Keisuke Masuyama, Makoto Yoshida, Hidetoshi Asai, Muchun Wang, Yasuhiro Samejima, Masao Eura, Noriaki Tsunoda, Takeru Ishikawa
Published 1997-01-01

Farmyard manure application increases spikelet fertility and grain yield of lowland rice on phosphorus-deficient and cool-climate conditions in Madagascar highlands

by Hidetoshi Asai, Michel Rabenarivo, Andry Andriamananjara, Yasuhiro Tsujimoto, Tomohiro Nishigaki, Toshiyuki Takai, Tovohery Rakotoson, Njato Mickaël Rakotoarisoa, Tantely Razafimbelo
Published 2021-04-01

Drought-induced root plasticity of two upland NERICA varieties under conditions with contrasting soil depth characteristics

by Daniel Makori Menge, Emi Kameoka, Mana Kano-Nakata, Akira Yamauchi, Shuichi Asanuma, Hidetoshi Asai, Mayumi Kikuta, Roel Rodriguez Suralta, Takuya Koyama, Thiem Thi Tran, Joel D. L. C. Siopongco, Shiro Mitsuya, Yoshiaki Inukai, Daigo Makihara
Published 2016-07-01