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矿质土壤
mineral soil
- 两种效应共同决定了土壤矿质氮素的地表流失量。
These two distinct factors codetermined the total runoff loss of soil mineral nitrogen. - 来自大气的养分供应量，一般少于矿质土壤本身的养分供应量。
The atmospheric supply of nutrients is usually small relative to the supply of nutrients found in mineral soils. - 氮素动态调控时期由高产栽培常用的追肥时期或根据水稻群体状况与土壤矿质态氮浓度综合判断确定，追氮量由模型计算获得。
The time of dynamic nitrogen adjustment were determined by regular patterns or by the comprehensive evaluation of soil mineral nitrogen concentration and rice population status.
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