“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	sheaf space sheaf theory shear shear Alfven wave shear Alfvén wave shear angle shear band shear center shear deformation shear deformation characteristics of rock mass shear difference method shear dilation effect shear dilution of drilling fluid shear distortion shear-dominated encounter shearer-loader shearer's pyrrosia leaf shear factor shear failure of pier and abutment shear field shear-flocculation flotation shear flow shear flow field induced self-assembly shear folding shear fracture

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