中国以世界7％的耕地养活世界22%的人口，使用了世界35%的化肥。化肥，化肥，化肥！

来源: 老生常谈12 于 2025-04-06 16:26:53 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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