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。
The field experiment was conducted to study the effects of different conservation tillages on soil temperature, moisture and yield formation of spring maize.
通过大田试验研究了保护性耕作对土壤水温和春玉米产量形成的影响。
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