“theory of nutrient returns”的概念、定义、翻译、参考文献-科学参考

单词	theory of nutrient returns
释义	theory of nutrient returns Encyclopedia 农学[肥料养分效率]释 theory of nutrient returns养分归还学说为维持土壤肥力而必须归还作物从土壤中取走养分的理论。即植物收获物从土壤带走的养分，必需“返还”至土壤才能维持土地生产力。
随便看	analytic manifold analytic mapping analytic mapping control point analytic measurable space analytic measure analytic mechanics analytic method analytic metric analytic-micro-hypoellipticity analytic model analytic modification analytic module analytic moduli problem analytic morphism analytic neighborhood analytic network process analytic non-continuability analytic normality analytic number theory analytic object analytic operation analytic operator analytic operator function analytic parametrization analytic part

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