常見例句雙語例句Seed tubers planting density increase with the same kinds and soft rot of Amorphophallus emergence occur declining trend.同一槼格種芋隨著播種密度增加，出苗率和軟腐病發(fā)生呈下降的趨勢。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種栽植密度對植株生理及産量的影響。http://dict.cnki.netSecond-degree polynomials equation of maize(Zea Mays L. ) grain yield with both planting density and nitrogen fertilization was established by means of regression analysis.本文從不同種植密度和施氮量對玉米籽粒産量的影響，建立了二次多項式廻歸方程。 返回 planting density