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First, selection, soil preparation and fertilization
1. Selection of land: Cucumber bogey and crops of the same family are used together to select soils that are rich in organic matter and retain water and fertility.
2. Soil preparation and fertilization: To facilitate irrigation, after the deep plowing, the ditch is used for digging, the width is 80 to 90 cm, the loft height is 18 to 20 cm, the Mushi fully decomposed organic fertilizer is 3,000 kg, and the compound fertilizer is 20 to 50 kg. , Superphosphate 25 ~ 50 kg, in the sowing line ditch deep as base fertilizer.
Second, sowing summer cucumber can be sown in early May to July, autumn cucumber should be sown in early July to early August. The amount used is about 150 grams. In summer and autumn, the temperature is higher, and cucumbers are generally used for direct seeding. Seeds are soaked for 2 to 3 hours before sowing, then soaked in 75% chlorothalonil 1000 times for 15 minutes, and sowed after sowing.
Third, field management
1, cover the surface: summer and hot temperatures, available straw, grass, water silk cover 3 to 5 cm, can reduce the ground temperature 3.5 ~ 6 °C, reduce water evaporation, to facilitate plant growth and development.
2, tied vines: melon seedlings to pull vines in a timely manner with bamboo sticks 1.5 meters high stand, vines about 1 foot to tie the vine, after every 3 to 4 knots tied 1 times.
3, top dressing, irrigation: summer and autumn cucumbers grow fast, the results of many, require fertilizer early, one to promote in the end. During the whole growth period, it is necessary to top-dress 3 to 4 times, each time to apply 5 to 10 kg of diluted ternary compound fertilizer, and at the same time, spraying foliar may be used when potassium dihydrogen phosphate, green wang No. 1, etc. are combined and sprayed.
4. Hormone treatment: When cucumber seedlings have two leaves and one leaf and one leaf and one leaf, they are sprayed with 100 ppm 40% ethephon leaf once to increase the number of female flowers in the plant, thus achieving multiple results and increasing yield.
5, pest control: use mothionine, Ruimu Mildew, Xinwansheng, clofibrate spirit and can be killed to prevent cucumber blight, downy mildew, anthrax, powdery mildew and angular spot disease.
6. Harvesting: The summer cucumbers range from sowing to harvesting for approximately 45 to 60 days. When the melon strip has a certain length and the surface color turns deep, it is timely harvested so as to benefit the upper blooming fruit set.
Key points of cucumber cultivation and management techniques in summer
Cucumber is a shallow root crop with strict requirements on ground temperature and moisture. The suitable temperature for growth is generally between 20 and 28°C.