“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	railway engineering geophysical exploration railway engineering survey railway environment noise railway environment vibration railway express for less-than-carload freight railway fecal sewerage collection and discharge railway flat car railway food hygiene railway foundation treatment railway freight car railway freight transportation railway geographic information system railway goods invoice information system railway goods transportation railway goods transportation measurement and inspection railway goods yard Railway Guerrilla railway industrial siding railway infrastructure communication network railway intelligence service railway intelligent building railway intelligent dispatching command railway intelligent logistics railway intelligent transportation system railway intermodal flatcar

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