“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	lifting cylinder lifting equipment lifting equipment for rocket/missile lifting homotopy lifting hook lifting installation of steel structure lifting line method lifting-line theory lifting machine lifting machinery brake lifting mapping lifting method lifting moment lifting of a function lifting of a mapping lifting of a operator lifting of a point lifting platform milling machine lifting problem lifting property lifting surface lifting-surface theory lifting system for deep ocean mining lifting system selection lifting table

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