回家問問長輩,情況就清楚了。。
除了轉基因尚未問世,七十年代初農村已經有除草劑,化肥農藥,生長刺激素,我也都用過。
回家問問長輩,情況就清楚了。。
除了轉基因尚未問世,七十年代初農村已經有除草劑,化肥農藥,生長刺激素,我也都用過。
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