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问：山西太原太钢十三校郭新民提问：希望在提高地温方面能提供一些好办法？答：目前，各地在冬季大棚蔬菜生产中为了提高地温，保证蔬菜正常生长，一般可采取以下措施：（一）晒经．暖土为提高棚内地温、前茬作物收获后应立即翻地、晒里。应于定植前15－30天扣盖棚膜，进...
Q: Taiyuan, Shanxi Taiyuan thirteen school Guo Xinmin Q: I hope to improve the ground to provide some good ways? A: At present, all over the winter greenhouse vegetable production in order to improve the ground temperature, to ensure the normal growth of vegetables, generally can take the following measures: (a) sunburn. Warm soil In order to improve the greenhouse temperature, the crop should be immediately after the harvest, the sun. 15-30 days before planting should be deducted cover film, into ...