| Biochar amendment techniques for upland rice production in Northern Laos: 1. Soil physical properties, leaf SPAD and grain yield H Asai, BK Samson, HM Stephan, K Songyikhangsuthor, K Homma, ... Field crops research 111 (1-2), 81-84, 2009 | 1613 | 2009 |
| Vis-NIR spectroscopy and PLS regression with waveband selection for estimating the total C and N of paddy soils in Madagascar K Kawamura, Y Tsujimoto, M Rabenarivo, H Asai, A Andriamananjara, ... Remote Sensing 9 (10), 1081, 2017 | 91 | 2017 |
| Progress in varietal improvement for increasing upland rice productivity in the tropics K Saito, H Asai, D Zhao, AG Laborte, C Grenier Plant Production Science 21 (3), 145-158, 2018 | 86 | 2018 |
| Assessing land-use and carbon stock in slash-and-burn ecosystems in tropical mountain of Laos based on time-series satellite images Y Inoue, Y Kiyono, H Asai, Y Ochiai, J Qi, A Olioso, T Shiraiwa, T Horie, ... International Journal of Applied Earth Observation and Geoinformation 12 (4 …, 2010 | 66 | 2010 |
| Limited Si-nutrient status of rice plants in relation to plant-available Si of soils, nitrogen fertilizer application, and rice-growing environments across Sub-Saharan Africa Y Tsujimoto, S Muranaka, K Saito, H Asai Field Crops Research 155, 1-9, 2014 | 56 | 2014 |
| Field phenotyping of plant height in an upland rice field in Laos using low-cost small unmanned aerial vehicles (UAVs) K Kawamura, H Asai, T Yasuda, P Khanthavong, P Soisouvanh, ... Plant Production Science 23 (4), 452-465, 2020 | 52 | 2020 |
| Predicting chronosequential changes in carbon stocks of pachymorph bamboo communities in slash-and-burn agricultural fallow, northern Lao People's Democratic Republic Y Kiyono, Y Ochiai, Y Chiba, H Asai, K Saito, T Shiraiwa, T Horie, ... Journal of Forest Research 12 (5), 371-383, 2007 | 51 | 2007 |
| Laboratory visible and near-infrared spectroscopy with genetic algorithm-based partial least squares regression for assessing the soil phosphorus content of upland and lowland … K Kawamura, Y Tsujimoto, T Nishigaki, A Andriamananjara, ... Remote Sensing 11 (5), 506, 2019 | 43 | 2019 |
| Drought-induced root plasticity of two upland NERICA varieties under conditions with contrasting soil depth characteristics DM Menge, E Kameoka, M Kano-Nakata, A Yamauchi, S Asanuma, ... Plant Production Science 19 (3), 389-400, 2016 | 43 | 2016 |
| Discriminating crops/weeds in an upland rice field from UAV images with the SLIC-RF algorithm K Kawamura, H Asai, T Yasuda, P Soisouvanh, S Phongchanmixay Plant Production Science 24 (2), 198-215, 2021 | 41 | 2021 |
| Yield response of indica and tropical japonica genotypes to soil fertility conditions under rainfed uplands in northern Laos H Asai, K Saito, B Samson, K Songyikhangsuthor, K Homma, T Shiraiwa, ... Field Crops Research 112 (2-3), 141-148, 2009 | 41 | 2009 |
| Traceability of slash‐and‐burn land‐use history using optical satellite sensor imagery: a basis for chronosequential assessment of ecosystem carbon stock in Laos Y Inoue, J Qi, A Olioso, Y Kiyono, T Horie, H Asai, K Saito, Y Ochiai, ... International Journal of Remote Sensing 28 (24), 5641-5647, 2007 | 31 | 2007 |
| Practicalities of non-destructive methodologies in monitoring anthropogenic greenhouse gas emissions from tropical forests under the influence of human intervention Y Kiyono, S Saito, T Takahashi, J Toriyama, Y Awaya, H Asai, N Furuya, ... Japan Agricultural Research Quarterly: JARQ 45 (2), 233-242, 2011 | 21 | 2011 |
| Reflectance characteristics of major land surfaces in slash‐and‐burn ecosystems in Laos Y Inoue, J Qi, A Olioso, Y Kiyono, T Horie, H Asai, K Saito, Y Ochiai, ... International Journal of Remote Sensing 29 (7), 2011-2019, 2008 | 21 | 2008 |
| Identifying key traits in high-yielding rice cultivars for adaptability to both temperate and tropical environments T Takai, P Lumanglas, EV Simon, Y Arai-Sanoh, H Asai, N Kobayashi The Crop Journal 7 (5), 685-693, 2019 | 18 | 2019 |
| Impacts of the continuous maize cultivation on soil properties in Sainyabuli province, Laos K Fujisao, P Khanthavong, S Oudthachit, N Matsumoto, K Homma, H Asai, ... Scientific Reports 10 (1), 11231, 2020 | 17 | 2020 |
| Phenolsulphonphthalein clearance from the knee joint in normal and pathological states. R Nakamura, H Asai, H Sonozaki, M Nagano Annals of the Rheumatic Diseases 26 (3), 246, 1967 | 17 | 1967 |
| Soil phosphorus retention can predict responses of phosphorus uptake and yield of rice plants to P fertilizer application in flooded weathered soils in the central highlands of … T Nishigaki, Y Tsujimoto, T Rakotoson, M Rabenarivo, ... Geoderma 402, 115326, 2021 | 15 | 2021 |
| Application of a Bayesian approach to quantify the impact of nitrogen fertilizer on upland rice yield in sub-Saharan Africa H Asai, K Saito, K Kawamura Field Crops Research 272, 108284, 2021 | 15 | 2021 |
| Root response to soil water status via interaction of crop genotype and environment P Khanthavong, S Yabuta, H Asai, MA Hossain, I Akagi, JI Sakagami Agronomy 11 (4), 708, 2021 | 13 | 2021 |
Yoshio INOUEThe University of TokyoVerified email at mail.u-tokyo.ac.jp
