Optimal allocation of field structure in different yield levels in relay intercropping of maize and wheat could be confirmed by frequency analysis.
利用频数分析法可分别确定米麦间套作不同产量水平田间结构的优化配置。
The effects of different nitrogen fertilizer levels and transplanting mode on canopy structure and yield in Honglianyou 6 in plot experiments were studied.
以杂交中稻红莲优6号为材料，采用小区试验，研究了不同施氮水平和栽插密度及栽插模式对杂交中稻群体结构的影响。
The experiment was carried out to study the effects of different N and K fertilization levels on growth, development and yield of tomatoes in the greenhouse.
研究了不同的氮钾肥处理下日光温室番茄生长发育和产量的变化情况。
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