Density had more significant effects on wheat yield than soil fertility.
密度对小麦产量的影响比土壤肥力更为显著。
Lure effects of trap with creaked wheat depend on different population density.
碎麦诱捕器在不同虫口密度下诱捕效果明显不同。
Through the rotating, regressive and perpendicular experiment and the deep study of the effect of wheat yield between different fertilizer quantity and density.
本文根据旋转回归正交试验，深入研究探讨了不同肥量、密度条件下对小麦产量的影响。
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