How to grow Chinese cabbage in summer
How to grow Chinese cabbage in summer? Please introduce the planting method of planting Chinese cabbage in summer: variety selection should choose early-maturing Chinese cabbage varieties that are resistant to high temperature, high humidity, disease and insect resistance and good quality. it is best to choose non-fluffy seedlings that can be pulled out when seedlings are used as varieties for sale of seedling vegetables, such as Xiafeng 40, Xiayang 50, heat resistant white, and so on. The sowing time should be determined according to the market demand and variety characteristics, and it can be sown from May to August. Concave border cultivation of Chinese cabbage in summer is best direct seeding, sowing in the concave border. The concave border soil has strong moisture retention capacity and low surface temperature, which is beneficial to plant growth. Covering the sunshade net and plastic film has strong light in summer, which is not conducive to the growth of Chinese cabbage, so it is necessary to build a flat frame 1.5 meters above the border, first covered with a film, and then covered with a sunshade net. There is no shading net sooner or later and on cloudy and rainy days. Water frequently in dry weather, watering in the morning and evening. For those with large planting scale, micro-electric pump can be used to spray clean water or fat water. Generally choose instant compound fertilizer or foliar fertilizer, such as potassium dihydrogen phosphate, urea, etc., every 10 to 15 days. Click to get more cabbage planting techniques click to get more vegetable planting techniques
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How to prevent and cure cabbage virus disease in summer?
How to prevent and cure cabbage virus disease in summer? Please give guidance on the prevention and treatment of summer Chinese cabbage virus disease. In general, the heart leaves are yellowed and wrinkled at the seedling stage, the heart leaves cannot be wrapped into balls, the leaves at the adult stage are brittle, shrinking, the core is not solid, and grayish-brown patches are formed on the leaves, affecting yield and marketability. High temperature and drought.
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How to manage growing lettuce in summer?
How to manage growing lettuce in summer? Please introduce the management method of summer planting, first of all, we should pay attention to fertilizer and water management. Due to high summer temperature, strong light, large ground evaporation and large crop transpiration, it is necessary to often water the soil at the initial stage of planting to keep the soil moist. Enter the rainy season from July to August, after each heavy rain.
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