“principle of cropping system and soil management”的概念、定义、翻译、参考文献-科学参考

单词	principle of cropping system and soil management
释义	principle of cropping system and soil management Encyclopedia 农学耕作学释 principle of cropping system and soil management耕作学研究建立合理耕作制度的技术体系及其理论的一门综合性应用科学。具有显著中国特色的一个新兴农学分支学科。又称农作学。
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