First, energy-saving solar greenhouses (winter sheds) wintering hoe vegetables management. Since the beginning of winter this year, there have been many shades, rain, and foggy days. The light is weak, the temperature is low, and the air is moist, which has a great impact on various protected crops. The cucumber plants grow weakly, and most of the plants show heads, roots, dead borer, downy mildew, and diseases. Tomatoes, eggplants, and spicy (sweet) peppers have stem rot, disease, leaf mold, gray mold, etc., and set fruit later, the fruit enlargement slow. Therefore, in management, try to increase the temperature in the greenhouse, especially to improve the ground temperature. Open the mulch on sunny days, lighten the leeches properly, and tightly cover the mulch at about 2 pm, spraying the plants that grow weaker. Promote the role of rapid absorption of Yunda -120 + methanol foliar fertilizer, spraying yellow plants on the leaves Jinyun Da -120 + Tieda Ling (Yunda large-scale wolfberry states of iron), can be combined with pesticide spraying, and promote growth .
Second, disease prevention and control. Due to more rainy and foggy weather this year, the humidity in the shed is high, and it is easy to induce gray mold, leaf mold, epidemic disease, downy mildew, powdery mildew, etc. of the crops. It is not easy to spray liquid pesticides on prevention and control, and aerosol or dust should be used. , such as 45% chlorothalonil aerosol and 10% quick-inking aerosol, or 5% chlorothalonil dust, spray pesticides after sunny days, such as Anker, New Luling, Halic, Yunsheng, 100 Site and other 5 days -7 days, once to use several pesticides alternately, when spraying pesticides Jinyunda -120 can increase the permeability of pesticides, effectively improve the control effect.
Third, sowing varieties. The watermelons, cucurbits, and cucumbers in the middle and small sheds should be raised in the greenhouse or in Yangshuo in early January. The varieties are: Watermelon Jingxin No.1, No.5, Big Black Crown, Zhengza No.5, No.9, and Xiongnong No.8; West Huhu has Jingying, Jinghu No.1 and No.3; Cucumber has Jinlu 1,5 number. In the late period, planting medium and small arched cabbage, tomatoes, before the colonization 5-7 days before the buckle shed warming, until the temperature of 5 cm stable at above 10 °C, selected sunny morning planting, and cover the straw to promote heat conservation seedlings.
Fourth, during the Spring Festival, we must increase production and management of greenhouses. For overwintering crops such as cucumbers, tomatoes, and spicy (sweet) peppers, which grow weaker, top dressing should be combined with watering. M. Diammonium or ternary compound fertilizer should be used for 20 kg. The greenhouse with insufficient basal fertilizer can be used in late January. Taichung chicken manure is applied in 1,000-1500 kilograms per acre. Turning it into the soil and watering in time can increase the yield in the later period.
5. For the plants of tomato groats, malformed fruit, lobular disease, and sika virus disease combined with spraying of pesticides, spraying plant growth regulator Yunda-120 to + foliar fertilizer Zinc, calcium, Darling, and the United States Xerox regulates the growth of crops.
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