organic forms of soil nitrogen 土壤氮的有机类型
Effects of interaction between nitrogen and zinc on forms of zinc in yellow- brown soil collected from a pasture in southern China were studied under pot- culture conditions.
选用南方牧场土壤，在盆栽条件下，研究了氮锌交互作用对土壤中锌形态和生物有效性的影响。
SummaryResults available showed that soil age did no significant effect on the distribution of the forms of soil organic nitrogen.
现有的材料说明，土壤年龄对土壤的氮素形态分布没有明显的影响。
Great part of soil nitrogen is organic forms.
土壤有机氮的分解矿化是可矿化氮的根本来源。
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