...胶体(soil colloid)土壤温度状况(soil temperature regime)土壤水分状况(soil water regime)土壤肥力因子(soil fertility factor)土壤生态系统功能(function of soil ecosystem) 知识结构3.1 土壤空气及其运动3.2 土壤热量状况3.3 土壤水分及特性3.4 土壤分散系...
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... 土壤肥力因子 factor of soil fertility 土壤肥料科学 science of soil and manure 土壤肥料学 soil fertilizer science ...
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运用主成分分析选取土壤肥力变异因子。
Principal component analysis was used to derive soil fertility variation factors.
吸附态磷流失是土壤侵蚀的结果之一，不仅造成土壤肥力流失，还是导致水环境恶化的重要因子。
The adsorbed phosphorus loss is one of the adverse effects of soil erosion, which results in not only the degradation of soil fertility, but also the deterioration of water environment.
本文通过多点栽培试验表明，影响新银合欢生长的限制因子是温度和土壤肥力。
Its cultural experiments at many plots have shown that the temperature and the fertility of soil are limiting-factors for its growth.
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