1) soil available nutrient coefficient
土壤有效养分系数
2) soil available nutrient use efficiency
土壤有效养分利用系数
3) soil available nutrient
土壤有效养分
1.
Study on contents of soil available nutrients in citrus orchards in Guangxi;
广西柑桔园土壤有效养分含量研究
4) soil available nutrients
土壤有效养分
1.
14 soil available nutrients in the area of planting banana were researched by the traditional statistics and 7 items (soil pH, available N, available K, available P , available S, available Fe, and organic matter) which had significant effect on banana yield being as items study were selected by differentiating characteristic principle to research their spatial variation .
以香蕉种植园为研究对象，对土壤的14种养分变量进行分析，选取了土壤pH值、碱解氮、速效磷、速效钾、有效硫、有效铁及有机质等对香蕉生长影响较大的土壤理化指标作为香蕉地土壤有效养分空间分析的对象。
5) soil available nutrient
土壤有效性养分
6) soil effective coefficient
土壤有效系数
1.
In this paper, on the basis of summirizing up the works of previous researchers and the natural conditions and productive features of the alluvial plain and The Regulations of The Agricultural Lands,the soil effective coefficient of different land types is defined by using the sliding average and the double regression method and its importance in the grading of agricultural land is analysed.
以容城县为例 ,根据该县的自然条件、生产特征和《农用土地分等定级规程》 ,利用滑动平均和二次回归相结合的方法 ,确定了不同土地类型的土壤有效系数 ,并分析了其在农用土地分等定级中的重要作用。
补充资料：土壤有效性养分
分子式：
CAS号：
性质：土壤中易被植物吸收利用的养分。以被吸收利用的难易和快慢程度分为速效性或缓(迟)效性两类。
CAS号：
性质：土壤中易被植物吸收利用的养分。以被吸收利用的难易和快慢程度分为速效性或缓(迟)效性两类。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条