Wheat, maize and sugar beet are planted in rotation.
小麦、玉米和甜菜是轮流种植的。
The nitrogen contents and nitrogen forms were studied in albic soil with longterm crop rotation and soybean, maize, wheat continuous cropping.
对轮作及大豆、玉米、小麦长期连作白浆土中氮含量及有机态氮组分变化进行研究。
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。
Soil denitrification was studied in winter wheat-summer maize rotation cropping system with an aquic cambisol.
在北京潮土上研究了冬小麦-夏玉米轮作体系下土壤氮素反硝化损失。
The fate of nitrogen fertilizer in current crop and succession crops in winter wheat and summer maize rotation system were studied using field 15n micro-plot.
采用田间微区15n示踪试验研究了肥料氮在冬小麦、夏玉米当季和后茬的去向。
The fate of nitrogen fertilizer in current crop and succession crops in winter wheat and summer maize rotation system were studied using field 15n micro-plot.
采用田间微区15n示踪试验研究了肥料氮在冬小麦、夏玉米当季和后茬的去向。
应用推荐