| 释义 |
planting density短语¹⁸⁰⁰⁹⁸⁺¹
基本例句
种植密度,栽植密度
栽花除草
Effect of Sowing Density on Biology Character and Yield of Tagetese recta L.种植密度对万寿菊生物学及产量性状的影响。
After selected various high yielding and hybrid varieties, their nutrient uptake pattern, interaction among fertilizer, varieties and plant density should be investigated.近年来，我国选育出一批主要作物的高产品种和杂交种，应当研究它们的需肥特性，研究施肥与这些新品种及其种植密度等不同措施的关系。 |