毛主席農業八字憲法“土，肥，水，種，密，保，管，工”，少了最重要的“光”，陽光。

來源: 老生常談12 於 2013-08-19 17:53:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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