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437100湖北咸宁教育学院农学系冬春低温时节,如何预防蔬菜冻害?除注意选用耐寒品种,选择适宜播期和移栽期,将不耐寒蔬菜安排在避风向阳、较暖和的地块上种植外,还有下述十种方法。一、控氮法。苗期追肥要适当减少氮肥用量,切不可偏施氮肥,以免植株柔嫩多水,抗寒力差。追肥还要早施,以加速植株生长,促使菜苗老健抗
437100 Department of Agronomy, Xianning College of Education, Hubei Province How to prevent vegetable frost damage in winter and spring low temperature season? In addition to pay attention to the selection of cold-tolerant varieties, select the appropriate sowing date and transplanting period, the non-inordinate cold vegetables are planted in sheltered sunny and warmer plots, There are the following ten ways. First, nitrogen control method. Topdressing fertilizer should be appropriate to reduce the amount of nitrogen fertilizer, must not partial nitrogen fertilizer, so as to avoid the plant soft and water, poor cold resistance. Top dressing also as early as possible, in order to accelerate the growth of plants, prompting Lao Jian anti-aging