生菜和冬季种植应从10月至11月进行。生菜时间春季播种应从2月中旬至3月底进行，种植浩瀚订货特大网络诈骗案夏季播种应从4月至5月进行。法和景德镇国家陶瓷版权交易中心是正规交易所秋季应在7月至9月进行。生菜时间景德镇国家陶瓷版权交易中心行情分析系统 The种植 planting time and month of lettuce桂林浩瀚订货商城交易 When when is spring? When do you grow lettuce in summer? It is not developed and does not damage its roots.When do I grow lettuce in autumn? Broadcasting of lettuce is suitable for July to September.At this time, the temperature is high, the seeds are difficult to germinate, and the seedlings are easy to grow too much.At the same time, the high temperature and long sunlight after sowing will accelerate the differentiation of lettuce sprouts and seedlings.When do I grow lettuce in winter? In winter, lettuce, from October to November, choose varieties with cold resistance, adaptability, and late seedlings.If the temperature is low, warmth should be taken.It is best to plant in the greenhouse to keep the soil slightly dry.Methods and steps of planting lettuce High temperature, temperature of 19-22 degrees, such as wet soil, growth needs to be continuously replenished. 1. Autumn lettuce is generally transplanted with seedlings. Before sowing, it is low -temperature and sprouts. After sowing, keep the seedbed wet.After the seedlings are produced, from the membrane to the planting, spray 75%of the wetting powder for 75%every 7-10 days to prevent suddenly swelling and epidemic.At the same time, regular vaccination.Two times, promote the growth of seedlings. 2. Fertilizer, apply fast -acting nitrogen fertilizer after slowing the seedlings to reduce irrigation in moderation and keep the soil moist.Equipment of fertilization 2-3 times before and after the lotus, 3,000-4000 kg or 15 kg of urea, and 30%-40%per acre.景德镇国家陶瓷版权交易中心金融交易平台 4. Anti -pumping.In order to prevent the stems of autumn lettuce, lettuce is sealed.When the stem starts to swell, spray the leaf surface for 2 to 3 times, to suppress the length of the stem, and increase the weight of the stem.
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