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越夏早熟大白菜的共同特点是耐热、早熟.存栽培上应注意什么呢?一、苗全、苗足。为丰产打下基础。越夏大白菜品种生长期短,又是处在高温期的7月底、8月播种,抢在9月下旬和10月采收上市。这段时间天气多是高温高湿或是高温干旱,对保证苗全、苗足更为重要。做到少补苗和不用补苗,确保植株生长一致,这是丰产的关键。种子下地后,在发芽期,注意保持土地湿润,利于快发芽、快出苗;现真叶至两叶期注意防治黄条跳虫甲害虫危害幼苗,每3～4天
Summer common Chinese cabbage is characterized by heat-resistant, precocious. Stocking should pay attention to what? First, the whole seedlings, seedlings. Lay the foundation for high yield. Summer cabbage varieties of short growing season, but also in the high-temperature end of July, sowing in August, grab in late September and October harvest. This time the weather is mostly high temperature and humidity or high temperature and drought, to ensure that the whole seedlings, seedling foot more important. Achieve fewer seedlings and without supplements to ensure consistent plant growth, which is the key to high yield. Seeds to ground, in the germination period, pay attention to keep the land moist, conducive to rapid germination, fast emergence; real leaves to the two-leaf stage pay attention to prevention and treatment of yellow stripper pests a pest damage, every 3 to 4 days