好文。以前看過一本有關有機栽培的書，說是嚴格意義上的有機土必須7年以上沒有接觸化學物，看後徹底S了那個心。

來源: betadine 於 2013-08-22 13:22:32 [舊帖] [給我悄悄話] 本文已被閱讀：次

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