密，是根據具體莊稼。美國的玉米矮棵密植，中國的保持係矮棵高粱密植高產好吃。

來源: 老生常談12 於 2022-11-04 11:21:27 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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