這是證據？瞎扯。BT為最沒有危害風險的生物農藥，那20%是留給害蟲，減少可能對BT抗性的基因突變

來源: busboy 於 2014-05-29 22:10:05 [舊帖] [給我悄悄話] 本文已被閱讀：次

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