Western competition caused the northeastern farmer to reduce grain cultivation, and only dairy cattle remained important in animal production.
西部的竞争迫使东北部农民削减粮食种植，而畜类中只有奶牛仍保持重要地位。
Western competition caused the northeastern farmer to reduce grain cultivation, and only dairy cattle remained important in animal production.
西部的竞争迫使东北部农民削减粮食种植，而畜类中只有奶牛仍保持重要地位。
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