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

单词	cropping system and soil management
释义	cropping system and soil management Encyclopedia 农学耕作制度释 cropping system and soil management耕作制度一个地区或生产单位的作物种植制度以及与之相适应的农田养地制度的综合技术体系。
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