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Cultivation Techniques for Cultivating Period of No. 1 Cucumber in Tianjin Green
For greenhouses or greenhouses where two crops are planted each year, cucumber varieties with strong adaptability should be selected in the early spring. It is a good choice for cucumber with high resistance to downy mildew, powdery mildew, blight and high yield. In the early stage, the main cultivars were mainly guacamole, and the first female flowering position was 3 to 5 knots. The female flower rate was more than 30%, and there were many melons in the future. The potential for high yield was high. The spring planting of 667 square meters produced about 7000 kilograms. Merchandise is good, melon straight, about 35 centimeters long; melon dark green, dense white thorns, tumor obvious; single melon weight of about 250 grams; melon to short, light green flesh, crisp, sweet, high quality. First, sowing time. The variety is suitable for spring and autumn planting. The suitable sowing period in spring is determined according to different forms of protection. If a large shed is used for cultivation, the nursery period should be from late January to early February and the seedling age is 30 to 35 days. Second, preparation before planting. 10 to 15 days before planting, fertilize the soil and apply 7 to 8 cubic meters of decomposed ring fertilizer per 667 square meters, or 5 to 6 cubic meters of decomposed chicken manure, 30 to 50 kilograms of diammonium phosphate, or 40 to NPK fertilizer. 50 kg. The organic fertilizer was applied 25 centimeters deep and the fertilizer was applied to the bottom of the ridge in front of the ridge. Closed greenhouses heat up for 7 to 10 days. At the same time with 45% chlorothalonil aerosol 1 kg smoke disinfection. Cover straw at night to stabilize the temperature of 10 centimeters above 12°C. Third, colonization. Select sunny morning planting, planting density of about 3300 per 667 square meters. Fourth, management after planting. After planting, the seedlings should not be released before the seedlings are warmed. The daytime temperature should be maintained at 28 to 30°C and nighttime at 15 to 20°C. If there is a sunny day and warm weather, we can put a straw shade. After easing the seedlings, the mulch film should be removed several times before and after noon to improve the ground temperature and control the flood. The daytime temperature is controlled at 25-28°C, 12-15°C at night, and adequate ventilation at noon over 30°C. When 60% of root melons have been sitting, choose sunny water in the morning according to changes in weather and weather, and combine three-component compound fertilizer with watering, 15 to 20 kg. Before the watering, it is necessary to spray pesticides in time to prevent diseases. Spraying with sprayed calcium-containing foliar fertilizer or Jinchunbao 2000 will increase plant growth and increase yield. Author: Tianjin Lvfeng Horticultural New Technology Development Co., Ltd.