In recent years, Hai'an Town in Hai'an County has explored efficient winter wheat lettuce, early spring fresh corn, and cowpea high-efficiency cropping models. Using the warming effect of the middle shed, lettuce and fresh corn have been brought to the market in the morning to achieve better economic benefits. Generally, it can produce 2,500 kilograms of lettuce per acre, 800 to 900 kilograms of fresh corn, and 1,500 kilograms of cowpea. The total annual output value of mu is about 11,000 yuan.
The simmering arrangement of winter lettuce was planted in early October. Nursery was planted in early November and planted in the middle shed at the beginning of November. Each shed was planted in 4 rows with a row spacing of 40 cm. A drainage ditch was opened between every 2 rows. The plant spacing was 25 cm and about 6600 plants were planted per acre. The market will be harvested in mid-February of the following year. Fresh corn in early spring sowing in late February, the size of row planting, every 2 meters for a combination, including a small row spacing of 40 to 50 centimeters, after sowing cover a width of 0.8 meters in addition to grassland film, take a small shed above 40 to 60 centimeters, 6 The market will be harvested before and after the 20th of the month. Kidney beans are harvested or transplanted after corn is harvested. Seeds of 1.5 kilograms per acre, 4 rows per acre, 50 cm wide row spacing, 40 cm row spacing, 25 cm hole spacing, and 3 to 4 seeds per hole during live broadcast. It is guaranteed that 4,000 to 4,500 plants will be planted per acre and will be harvested in early August. The harvest period will be 30 to 40 days.
Cultivation points Lettuce selection Kexing 1, Kexing 4 and other varieties, soaking seed germination after sowing; planting before the application of decomposed organic fertilizer, live after the application of thin manure water 1 to 2 times, fleshy stem growth period per acre urea 12.5 kg. Fresh corn is selected from Suyujing No. 2 and other early-maturing varieties with compact plant type, soaked and germinated to sow seeds; sufficient organic fertilizer is applied before sowing, and 1500 kg of livestock and poultry or 100 kg of cake fertilizer is generally applied per mu; Application of fertilizer, and according to the fertility of the fertility process, jointing fertilizer, panicle fertilizer, less fertilizer, and more use of organic fertilizer. Qiudou selected local varieties of autumn eight steps, with a focus on fertilization and prevention and control of pests; per acre base application of rotted organic fertilizer 4,000 kg, compound fertilizer 40 kg, after the flowering pods to strengthen the management of fertilizer and water, after the first inflorescence scab after each acre Compound fertilizer 15 kg, every 7 to 10 days, applied 4 to 6 times, combined with spraying with 0.3% urea plus 0.3% potassium dihydrogen phosphate mixture spraying; keep soil moist during the childbirth, the rainy season to rule out the accumulation of water Prevent waterlogging.
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