Search Results - "Kamoshita, Akihiko"
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On-farm agronomic manipulations to improve rice (Oryza sativa L.) production in the saline coastal zone of the Red River Delta in Vietnam
Published in Plant production science (03-07-2023)“…Sporadic salinity caused by seawater intrusion is a serious concern for rice (Oryza sativa L.) production in the Red River Delta (RRD) of Vietnam, and guidance…”
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Recent changes in rice production in rainfed lowland and irrigated ecosystems in Thailand
Published in Plant production science (02-01-2021)“…While Thailand is a major rice exporting country in the world, the yield is low among Asian countries. In order to identify factors determining the changes in…”
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Phenotypic and genotypic analysis of drought-resistance traits for development of rice cultivars adapted to rainfed environments
Published in Field crops research (01-10-2008)“…Many of the world's rice-growing regions lack adequate irrigation facilities, and drought frequently reduces yield. This paper reviews drought-resistance…”
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Eco-Physiological and Genetic Basis of Drought Response Index in Rice—Integration Using a Temperate Japonica Mapping Population
Published in Agronomy (Basel) (01-10-2024)“…The drought response index (DRI) is an indicator of drought tolerance after adjustment for variation in flowering date and potential yield under well-watered…”
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Effects of arbuscular mycorrhizal fungi inoculation on infection and growth of rice and pearl millet in upland fields with three water regimes
Published in Plant production science (02-10-2023)“…Inoculation with arbuscular mycorrhizal fungi (AMF) may enhance crop growth in upland fields, depending on the water regime. To quantify changes in AMF…”
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Ecophysiology of drill-seeded rice under reduced nitrogen fertilizer and reduced irrigation during El Niño in Central Colombia
Published in Plant production science (02-10-2021)“…Improvement of efficiencies of N fertilizer and irrigation water is needed for large-scale market-oriented rice cultivation without puddling practice as in…”
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Preflowering Abortion Reduces Spikelet Number in Upland Rice (Oryza sativa L.) under Water Stress
Published in Crop science (01-11-2008)“…Spikelet number per panicle is a major target trait for improving rice (Oryza sativa L.) yield in upland fields and is strongly affected by water stress. The…”
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Eco-physiological evaluation of Stele Transversal Area 1 for rice root anatomy and shoot growth
Published in Plant production science (02-04-2020)“…Larger stele size with greater xylem area or endodermis thickness in rice roots may lead to higher plant water status and maintain yield. Sta1-NIL, a…”
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Genetic analysis of root vascular traits in a population from two temperate japonica rice ecotypes
Published in Plant production science (03-07-2022)“…The genetic basis for root vascular traits in rice, despite its direct impacts on root axial and radial hydraulic conductivity, has not been widely studied…”
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Association between root growth angle and root length density of a near-isogenic line of IR64 rice with DEEPER ROOTING 1 under different levels of soil compaction
Published in Plant production science (03-04-2017)“…DEEPER ROOTING 1 (DRO1) of rice controls the gravitropic response of root growth angle. In order to clarify the effects of DRO1 on root growth angle and root…”
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Salinity intrusion reduces grain yield in coastal paddy fields: case study in two estuaries in the Red River Delta, Vietnam
Published in Paddy and water environment (01-04-2020)“…We characterized 63 fields sampled based on farmers’ perception of production risks within each commune (referred as either safe or at-risk fields), from the 3…”
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Comparative analysis of farmers engaged in participatory research to cope with climate change versus non-participants in Northeast Thailand
Published in Plant production science (02-10-2018)“…To assess the extent of improvement of rainfed rice production by using a participatory approach, we compared research project participants and…”
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Near-isogenic lines of IR64 (Oryza sativa subsp. indica cv.) introgressed with DEEPER ROOTING 1 and STELE TRANSVERSAL AREA 1 improve rice yield formation over the background parent across three water management regimes
Published in Plant production science (03-07-2017)“…Three near-isogenic lines (NILs) of Oryza sativa subsp. indica cv. IR64 (Dro1-NIL, Sta1-NIL, Dro1+Sta1-NIL) with DEEPER ROOTING 1 (DRO1), a novel gene for…”
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Salinity intrusion and rice production in Red River Delta under changing climate conditions
Published in Paddy and water environment (01-01-2017)“…This study was carried out to identify the vulnerability of rice production to salinity intrusion arising from climate change in Giao Thuy, a coastal district…”
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Evaluating the resistance of six rice cultivars to drought: restriction of deep rooting and the use of raised beds
Published in Plant and soil (01-11-2007)“…Soil water deficits reduce rice (Oryza sativa L.) productivity under upland field conditions. In this study, we constructed screening facilities to evaluate…”
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Ecophysiological study on weed seed banks and weeds in Cambodian paddy fields with contrasting water availability
Published in Weed biology and management (01-12-2010)“…Weed infestations are a major cause of yield reduction in rice (Oryza sativa) cultivation, particularly with direct‐seeding methods, but the relationship…”
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Genotypic differences in grain yield of transplanted and direct-seeded rainfed lowland rice ( Oryza sativa L.) in northeastern Thailand
Published in Field crops research (01-04-2007)“…We evaluated the genotypic differences in grain yield of 14 rice ( Oryza sativa L.) genotypes with different phenology under four growing conditions:…”
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Spatial variability in the growth of direct-seeded rainfed lowland rice ( Oryza sativa L.) in northeast Thailand
Published in Field crops research (03-04-2009)“…Large within-field variation in rice growth often causes production loss in broadcast-seeded (BC) rainfed lowland rice. The spatial variability of…”
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Effect of planting density on grain yield and water productivity of rice (Oryza sativa L.) grown in flooded and non-flooded fields in Japan
Published in Plant production science (2006)“…The effect of planting density on grain yield and water productivity was evaluated in rice (Oryza sativa L.) grown in non-flooded lowland fields in Japan in…”
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Farmers' Management Practices and Grain Yield of Rice in Response to Different Water Environments in Kamping Puoy Irrigation Rehabilitation Area in Northwest Cambodia
Published in Plant production science (2011)“…The farmers' management practices and grain yield were examined in the consecutive 4 cropping seasons from wet season rice (WSR) in 2008 to dry season rice…”
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