“grain-cash-forage rotation”的概念、定义、翻译、参考文献-科学参考

单词	grain-cash-forage rotation
释义	grain-cash-forage rotation Encyclopedia 农学粮-经-饲三元结构释 grain-cash-forage rotation粮—经—饲三元结构在一定面积的土地上，按照一定的比例种植粮食作物、经济作物和饲料作物的多元化种植模式。
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