planting density

常见例句

Seed tubers planting density increase with the same kinds and soft rot of Amorphophallus emergence occur declining trend.
同一规格种芋随着播种密度增加，出苗率和软腐病发生呈下降的趋势。
Experiment was conducted to study the effects of planting density on physiological characteristics of root system and aboveground parts of rice.
本文研究不同水稻品种栽植密度对植株生理及产量的影响。
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Second-degree polynomials equation of maize(Zea Mays L. ) grain yield with both planting density and nitrogen fertilization was established by means of regression analysis.
本文从不同种植密度和施氮量对玉米籽粒产量的影响，建立了二次多项式回归方程。