Search Results - "Matsunami, Toshinori"

Analysis of yield constraints and seasonal solar radiation and temperature limits for stable cultivation of dry direct-seeded rice in northeastern Japan by Namikawa, Mari, Matsunami, Toshinori, Yabiku, Takayuki, Takahashi, Tomoki, Matsunami, Maya, Hasegawa, Toshihiro

“…Dry direct-seeded rice cultivation is an important option for farmers to reduce labor costs, particularly in northeastern Japan. However, low and variable…”
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Analysis of the shallow root system of maize grown by plowing upland fields converted from paddy fields: effects of soil hardness and fertilization by Shinoto, Yoshiya, Otani, Ryuji, Matsunami, Toshinori, Maruyama, Sachio

“…The root system of maize tends to be shallower with plowing tillage than with rotary tilling in upland fields converted from paddy fields. Soil hardness and…”
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Nitrogen uptake pattern of dry direct-seeded rice and its contribution to yields in northeastern Japan by Namikawa, Mari, Yabiku, Takayuki, Matsunami, Maya, Matsunami, Toshinori, Hasegawa, Toshihiro

“…Dry direct-seeded rice (DDSR) cultivation is expected to reduce production costs compared with transplanted rice (TPR); however, its low N use efficiency (NUE)…”
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Soil and water warming accelerates phenology and down-regulation of leaf photosynthesis of rice plants grown under free-air CO2 enrichment (FACE) by Adachi, Minaco, Hasegawa, Toshihiro, Fukayama, Hiroshi, Tokida, Takeshi, Sakai, Hidemitsu, Matsunami, Toshinori, Nakamura, Hirofumi, Sameshima, Ryoji, Okada, Masumi

“…To enable prediction of future rice production in a changing climate, we need to understand the interactive effects of temperature and elevated [CO2] (E[CO2])…”
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Effects of tillage on growth, yield and root lodging of six maize hybrids in upland fields converted from paddy fields in Andosol by Shinoto, Yoshiya, Matsunami, Toshinori, Otani, Ryuji, Maruyama, Sachio

“…We investigated the effects of tillage on growth, grain yield and root lodging of maize hybrids in upland fields converted from paddy fields in Andosol of…”
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Effects of elevated atmospheric CO2 concentration on growth and photosynthesis in eddo at two different air temperatures by Bin Zaher, Md Akik, Kumagai, Etsushi, Yabiku, Takayuki, Nakajima, Miyuki, Matsunami, Toshinori, Matsuyama, Nobuhiko, Thinh, Nguyen Cong, Hasegawa, Toshihiro, Kawasaki, Michio

“…Future agricultural management programs should consider the responsiveness of crops to increasing atmospheric CO 2 concentrations ([CO 2 ]) and temperatures…”
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Growth and yield of maize using two tillage systems in crop rotation of paddy fields by Shinoto, Yoshiya, Matsunami, Toshinori, Otani, Ryuji, Maruyama, Sachio

“…Plowing is a more efficient tillage method than conventional rotary tilling in paddy fields. We thus investigated growth, grain yield, and quality of maize…”
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Growth and Yield of New Rice for Africa (NERICAs) under Different Ecosystems and Nitrogen Levels by Matsunami, Maya, Matsunami, Toshinori, Kokubun, Makie

“…Scarcity of water and N fertilizer are major constraints to rice production, particularly in developing countries where rainfed upland condition dominates…”
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Root development and the expression of aquaporin genes in rice seedlings under osmotic stress by Matsunami, Maya, Toyofuku, Kyoko, Ishikawa–Sakurai, Junko, Ogawa, Atsushi, Matsunami, Toshinori, Kokubun, Makie

“…We conducted hydroponic culture experiments to characterize root traits in a rice cultivar ‘Puluik Arang’ that has been identified in a previous study as a…”
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Genotypic Variation in Nitrogen Uptake during Early Growth among Rice Cultivars under Different Soil Moisture Regimes by Matsunami, Maya, Matsunami, Toshinori, Kon, Kazuhiro, Ogawa, Atsushi, Kodama, Ikuko, Kokubun, Makie

“…In order to enhance rice productivity under water-deficient conditions, it is essential to improve nitrogen (N) uptake ability or its use efficiency. The…”
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Genotypic Variation in Biomass Production at the Early Vegetative Stage among Rice Cultivars Subjected to Deficient Soil Moisture Regimes and Its Association with Water Uptake Capacity by Matsunami, Maya, Matsunami, Toshinori, Ogawa, Atsushi, Toyofuku, Kyoko, Kodama, Ikuko, Kokubun, Makie

“…Genetic improvement in water uptake ability and/or water use efficiency (WUE) of rice cultivars is one option to enhance productivity under water-limited…”
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Microbial community composition controls the effects of climate change on methane emission from rice paddies by Liu, Guang Cheng, Tokida, Takesi, Matsunami, Toshinori, Nakamura, Hirofumi, Okada, Masumi, Sameshima, Ryoji, Hasegawa, Toshihiro, Sugiyama, Shu-ichi

“…Summary Rice paddies are one of the most important sources of CH4 emission from the terrestrial ecosystem. A Free‐air CO2 Enrichment (FACE) experiment, which…”
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Comparison of Nitrogen Uptake, Transpiration Rate and Exudation Rate between Upland NERICAs and Japanese Cultivars by Matsunami, Maya, Matsunami, Toshinori, Kokubun, Makie

“…Our previous study revealed that upland cultivars of New Rice for Africa (NERICAs) exhibited superior biomass production and N uptake compared with selected…”
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Characterization of the morphological and physiological traits of rice cultivars with adaptation to unflooded condition during early vegetative growth by Matsunami, Maya, Matsunami, Toshinori, Kodama, Ikuko, Ogawa, Atsushi, Toyofuku, Kyoko, Ishikawa－Sakurai, Junko, Kokubun, Makie

“…This study aimed to characterize the physiological and morphological traits that are associated with adaptation to unflooded soil conditions in rice. Four…”
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Interactions between elevated CO₂ and N₂-fixation determine soybean yield—a test using a non-nodulated mutant by Oikawa, Shimpei, Miyagi, Kay-May, Hikosaka, Kouki, Okada, Masumi, Matsunami, Toshinori, Kokubun, Makie, Kinugasa, Toshihiko, Hirose, Tadaki

“…Elevated CO₂ increases seed production more in plant species that form a symbiotic association with N₂-fixing bacteria than in species without such…”
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Effects of waterlogging on nitrogen fixation and photosynthesis in supernodulating soybean [Glycine max] cultivar Kanto 100 by Jung, G.(Tohoku Univ., Sendai (Japan)), Matsunami, T, Oki, Y, Kokubun, M

“…The supernodulating soybean (Glycine max (L.) Merr.) cultivar Kanto 100 was previously characterized by superior nitrogen (N) fixation and photosynthesis, and…”
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Effect of CO2 concentration, temperature and N fertilization on biomass production of soybean [Glycine max] genotypes differing in N fixation capacity by Matsunami, T.(Tohoku Univ., Sendai (Japan)), Otera, M, Amemiya, S, Kokubun, M, Okada, M

“…We tested the hypothesis that elevated CO2 concentration [CO2]-induced enhancement of biomass production of soybean is greater in a genotype that has a higher…”
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Effect of waterlogging during vegetative stage on growth and yield in supernodulating soybean [Glycine max] cultivar Sakukei 4 by Matsunami, T.(Tohoku Univ., Sendai (Japan)), Jung, G.H, Oki, Y, Kokubun, M

“…The Supernodulating Soybean Cultivar Sakukei 4 Was Previously Characterized By Its Superior Capabilities of Nitrogen (N) Fixation and Photosynthesis, and Was…”
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Characterization of vegetative growth of a supernodulating soybean [Glycine max] genotype, Sakukei 4 by Matsunami, T. (Tohoku Univ., Sendai (Japan)), Kaihatsu, A, Maekawa, T, Takahashi, M, Kokubun, M

“…The supernodulating soybean cultivar Sakukei 4 was previously characterized by its superior ability to maintain a high leaf nitrogen (N) content and high…”
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The contribution of entrapped gas bubbles to the soil methane pool and their role in methane emission from rice paddy soil in free-air [CO₂] enrichment and soil warming experiments by Tokida, Takeshi, Cheng, Weiguo, Adachi, Minaco, Matsunami, Toshinori, Nakamura, Hirofumi, Okada, Masumi, Hasegawa, Toshihiro

“…Purpose We attempted to determine the contribution of entrapped gas bubbles to the soil methane (CH₄) pool and their role in CH₄ emissions in rice paddies open…”
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