“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	marine dinoflagellate marine disaster prevention and mitigation marine disposal of radioactive waste marine drilling platform marine drugs marine ecological carrying capacity marine ecological disasters marineecologically sensitive area marine ecological protection law marine ecological radar marine ecological risk of human activities marine ecological risk ofinshore cultivation marine ecological risk of overfishing marine ecological security marine ecological stoichiometry marine ecological survey marine ecology marine economic circle Marine Economic Geography of China Marine Economics and Sustainable Development Research Center marine economy marine ecosystem marine ecosystem dominant species marine ecosystem experiment station marine ecosystem keystone species

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