winter wheat-maize rotation 小麦玉米轮作
Winter wheat-Maize Double Cropping System 冬小麦
winter wheat-summer maize 冬小麦夏玉米
rotation of maize-winter wheat 玉米小麦轮作
winter wheat and maize 小麦和玉米
winter wheat-summer maize field 冬小麦
winter wheat-summer maize system 冬小麦
winter wheat-summer maize rotation 冬小麦
A field experiments was conducted to study soil moisture and water potential changes in farmlands with a shallow water table during summer maize and winter wheat seasons.
通过对夏玉米和冬小麦生长季节期间土壤水动态观测试验，探讨了地下水浅埋条件下土壤水动态的变化规律。
Winter wheat yield was more sensitive to rainfall and spring maize yield more influenced by previous crop stubbles in rotation system.
在轮作条件下，冬小麦的产量更容易受到降水的影响，而春玉米的产量更容易受茬口的影响。
In this paper, root samples of winter wheat and spring maize under intercropping were taken with large-bore soil auger, and the dynamics of their spatiotemporal distribution were studied.
采用大口径土钻对间作种植模式下冬小麦与春玉米根系进行取样，分析了两种作物根系的空间分布及动态变化规律。
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