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1、揭膜炼苗 当日平均温度稳定在10℃左右时,开始撤除覆盖物,3月中下旬全部撤除。在撤除之前一定要搞好炼苗工作。
1, the average daily temperature shed filming Harmonic at about 10 ℃, began to remove the cover, all in mid-March to remove. Before removing, we must do a good job refining work.