咸淡水交替灌溉下灌水定额对土壤盐分及夏玉米生理生长指标的影响
咸淡水交替灌溉下灌水定额对土壤盐分及夏玉米生理生长指标的影响
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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【目的】探求适宜的咸淡水交替灌溉方式和灌水定额。【方法】以夏玉米为研究对象，设置了4种咸淡水交替灌溉方式（B0：全生育期灌淡水，对照；B1：六叶—抽雄期灌3 g/L微咸水，其余生育期灌淡水；B2：抽雄—吐丝期灌3 g/L微咸水，其余生育期灌淡水；B3：吐丝—成熟期灌3 g/L微咸水，其余生育期灌淡水）和4种灌水定额（W1：0.6ETc；W2：0.8ETc；W3：1.0ETc；W4：1.2ETc）进行避雨盆栽试验，研究了咸淡水交替灌溉方式和灌水定额对土壤盐分及夏玉米生理生长的协同调控机制。【结果】当灌水定额增至1.2ETc时，咸淡水交替灌溉对土壤盐分有淋洗作用，其中B1处理淋洗效果较好，1.2ETc处理0~40 cm土层平均含盐量比1.0ETc处理降低了9.9%。生育期末最后1次灌水后，B0处...
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咸淡水交替灌溉下灌水定额对土壤盐分及夏玉米生理生长指标的影响
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TN_cdi_wanfang_journals_ggps202112008
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202112008
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1672-3317
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10.13522/j.cnki.ggps.2021198
