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齐苗、全苗、不缺苗、不缺蔸是秋冬播作物高产的基础。对于有些秋冬播作物,要根据发芽率确定适当的播种量。如果发芽率较低,则要
Qi Miao, all seedlings, no shortage of seedlings, no shortage of crop is the basis of high yield of autumn and winter sowing crops. For some autumn and winter sowing crops, germination rate to determine the appropriate planting. If the germination rate is low, then