Effects of soybean specific fertilizer on adverse resistance of soybean in rotation and soybean continuous cropping were investigated by pot and field plot experiments.
采用田间与盆栽试验方法研究了大豆专用复混肥对轮作、连作大豆抗逆性的影响。
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。
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