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Effects of Nitrogen Nutrition on the Drought Adaptation and Water Use of Spring Wheat
Authors
山仑
张岁歧
Publication date
1 January 1995
Publisher
Abstract
本文研究了氮素营养和水分胁迫对春小麦水分状况、气孔导度、渗透调节和净光合速率的影响,并对不同氮素和水分水平下的叶面积、耗水量、根系生长、根冠比、水分利用效率(WVE)和产量变异进行了分析。认为,不同氮素水平下,春小麦对于旱的适应途径不同,施用氮肥在一定程度上可以改变春小麦对干旱的适应方式,但未明显提高作物自身的生理耐旱性。施氮增加产量和提高WVE的原因主要在于氮素满足了作物的生长所需,促进了根系的发育和保持了水分的有效利
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018