干旱区生态环境知识资源中心(Arid): 荒漠绿洲区春小麦耗水规律与水分利用效率研究

Arid

	荒漠绿洲区春小麦耗水规律与水分利用效率研究
其他题名	Study on the water consumption and water use efficiency of spring wheat in the desert oasis
	马莉; 宋佃星
来源期刊	干旱区资源与环境
ISSN	1003-7578
出版年	2016
卷号	30 期号:6 页码:136-140
中文摘要	为了掌握荒漠绿洲区春小麦的耗水规律,建立高效节水型绿洲农业,通过田间观测试验,分析了6种不同灌溉定额下春小麦的土壤含水量、耗水量、土面蒸发量以及WUE的变化特征。结果显示,不同灌水定额下,春小麦全生育期耗水量的变化范围为450mm ~ 650mm,其中春小麦的平均蒸腾耗水量为总耗水量的81%,而平均土面蒸发量为总耗水量的19%。拔节后期~ 抽穗前期是春小麦需水的第一关键期,灌浆后期~成熟期是次关键期。WUE随籽粒产量先增大后减小,二者之间呈二次曲线的关系。可见,过度灌溉不利于WUE的提高,造成水资源的浪费。
英文摘要	In order to build water-saving oasis agriculture,the changing rule of water requirement was researched. At field experiments, the change characteristics the soil moisture content,water consumption,soil surface evaporation and water use efficiency under six different irrigation quotas were analyzed. The results showed that the wheat water consumption of spring wheat was from 450mm to 650mm under the different irrigation treatments. The transpiration water consumption of spring wheat accounted for about 81% of total water consumption. The soil moisture content accounted for about 19% of total water consumption. The maximum values of water consumption was in the periods of the jointing late ~ pre-heading and filling late ~ mature stage. Regression analysis showed a quadratic curve relationship between grain yield and water use efficiency of spring wheat. So,it was bad to increase the grain yield and water use efficiency of spring wheat by excessive irrigation.
中文关键词	荒漠绿洲区 ; 耗水量 ; 水分利用效率
英文关键词	desert oasis water consumption water use efficiency
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRONOMY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5696423
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/234370
作者单位	宝鸡文理学院, 陕西省灾害监测与机理模拟重点实验室, 宝鸡, 陕西 721013, 中国
推荐引用方式 GB/T 7714	马莉,宋佃星. 荒漠绿洲区春小麦耗水规律与水分利用效率研究[J],2016,30(6):136-140.
APA	马莉,&宋佃星.(2016).荒漠绿洲区春小麦耗水规律与水分利用效率研究.干旱区资源与环境,30(6),136-140.
MLA	马莉,et al."荒漠绿洲区春小麦耗水规律与水分利用效率研究".干旱区资源与环境 30.6(2016):136-140.