“optimum nutrient management”的概念、定义、翻译、参考文献-科学参考

单词	optimum nutrient management
释义	optimum nutrient management Encyclopedia 农学[肥料养分效率]释 optimum nutrient management最佳养分管理基于“4R”原则进行的作物养分推荐方法。“4R”养分管理的核心概念是把植物养分的正确品种，用正确的用量，在正确的时间，施在正确的位置，同时，配合正确的养分配比和施肥方法。
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