relative crop density 相对果实密度
density of crop [农学] 作物种植密度 ; 播种密度 ; 林分疎密度
variable density crop table 可变密度产量表
Crop density had no effect on residual nitrate in soil depth of 0-200cm.
5.种植密度对土壤残留硝态氮累积量无显著影响。
参考来源 - 旱地土壤硝态氮残留及其利用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The regression mathematical models for the yields of summermilletassociated with crop density, N and P fertilizers were established by using the optimal saturation D design.
研究采用二次饱和D-最优设计，建立了夏谷产量与密度、磷、氮肥的回归数学模型。
Standardization of crop irrigation using the agrohydrological characteristics, such as texture, bulk density, soil moisture under the lowest water capacity and wilting moisture is investigated .
用土壤的农业水文学特征，如土壤质地、土壤容量、最低田间含水量和萎蔫下的土壤含水量对作物灌溉的规范化进行了研究。
With the development of high density central district of our country, new situation and features crop up, which pose new challenges to street greenbelt design of central district.
随着我国高密度城市中心区的飞速发展，城市景观出现了新的面貌和特征，这对城市中心区街道绿地景观规划设计提出了新的要求。
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