“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	degenerate net of planes degenerate neutron pressure degenerate node degenerate oligonucleotide primer PCR，DOP-PCR degenerate operator degenerate orbital degenerate-parabolic equation degenerate parabolic equations degenerate parallelotope degenerate parametric amplifier degenerate partial differential equation degenerate PCR degenerate perturbation theory degenerate plasma degenerate polyhedron degenerate positive semidefinite matrix degenerate pressure degenerate primer degenerate problem degenerate process degenerate quadratic form degenerate quadric degenerate quantum gas degenerate random variable degenerate representation

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