RESEARCH ON WATER DEMAND RULES AND YIELD OF MULTI-STOREY CROPPING HERBAGE GROUPS UNDER WATER STRESS CONDITIONS
文献类型： 外文期刊
第一作者： Liu, H.
作者： Liu, H.;Wei, Z.;Liu, H.;Wei, Y.;Zhao, S.;Zhang, R.;Wang, J.;Yin, C.;Zhao, J.;Liu, H.
作者机构：
关键词： water-saving irrigation; moisture sensitive period; designed moisting layer; water utilization efficiency; evapotranspiration; moisture sensitive period; water balance equation; modal coefficient
期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.711； 五年影响因子：0.796 ）
ISSN： 1589-1623
年卷期： 2019 年 17 卷 3 期
页码：
收录情况： SCI
摘要： It is greatly significant to implement water-saving irrigation and establish a water-saving system for forage grass, on basis of non-full irrigation principles, in order to meet the demands for forage grass from the rapidly-developing Chinese dairy industry distributing in rural-urban fringes, and improve the utilization efficiency of limited water resources in the central dairy production area of Inner Mongolia. The paper targets four different planting patterns of maize/alfalfa, and discusses water demand rules of herbage groups, variation of evapotranspiration, influence of water shortage at different stages on evapotranspiration, and moisture sensitive period of the forage grass under multi-storey cropping conditions, based on the experimental data of forage multi-storey cropping field under different water stress conditions in the outskirts of Hohhot. According to the results, the change in water demand of maize/alfalfa belt type multi-storey cropping field presents a wavy rule during the whole growth period; compared to evapotranspiration of monocropping maize/alfalfa, the evapotranspiration of maize/alfalfa multi-storey cropping herbage group was not significantly variable. The moisture sensitive period of monoculture maize and alfalfa were respectively heading-milk ripe stage and branching-squaring stage, and the moisture sensitive period of 4//8-type multi-storey cropping pattern is branching jointing stage.
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