Early maturing cauliflower pollution-free cultivation techniques

The cauliflower is characterized by palatable and delicious taste. Through two years of cultivation, the Shuyang County has mastered the pollution-free cultivation techniques of early-maturing cauliflower. Variety Selection The varieties are selected according to the local climate characteristics. Li Yuanyu, Shenliang generation, Shenlong extra-large breeds with a growth period of 50-60 days can be selected. Suitable for sowing open-field cultivation is generally sowed from late June to early July. The harvest period is from late August to early September. 500 kg of clean garden soil is used per acre seedbed and 100 kg of organic fertilizer is used to make nutritious soil. Up to 75%, pinching without dripping, landing from a height of 1 meter that is scattered. The seedbed should be kept away from pollution. Water sources, soil, and the atmosphere are in compliance with pollution-free cultivation requirements. The terrain is high and cool, ventilation is good, and drainage and irrigation are convenient. Land preparation is done. The width is 1.1 meters and the height is 20 centimeters. In 8 cm long, wide and high soils, 8-9 percent of the soil is filled with soil, one by one, close to the soil, one seed per plant, the seeding depth is 0.5 centimeters, and the cover is covered with fine soil. , take a small arch cover shade net. Seedling management, timely watering according to weather conditions after sowing, keep the seedbed moist before emergence, and the bed surface is not white. Epichlorohydrin was sprayed every 5 days after emergence to prevent seedling disease. During the seedling period, attention should be paid to the uncovering and management of the sunshade nets. Sunny days are covered by shade nets from 9:30 am to 4:30 pm. When it rains, it is covered with a plastic film to increase the rate of seedlings and seedlings. Ten days before transplanting, 5 kg of urea was applied per acre seedbed and the seedlings were made. The appropriate parameters for transplanting plots should meet the pollution-free production requirements. 10 days before transplanting, timely tillage and whitening. Spread 50-75 kilograms of fresh lime per acre. Keep a narrow groove in the field and a depth of 80-100 cm. One week prior to transplanting, 2500 kg of organic manure, 20 kg of urea, 50 kg of superphosphate, and 10 kg of potassium chloride were applied per mu of field. Seedling age 20-25 days, when the seedlings have 4-5 true leaves when the double-line "goods" shape transplanting, spacing 60 cm, spacing 35-40 cm, transplanted 2500-2800 per mu. Before field planting, 2 kg of urea per acre and 1 kg of boiled water were poured and poured. After the planting, the root water was used in combination with once again. 5 days after planting, 5-8 kilograms of urea per acre was planted in two cauliflower plots. After every 7 days, one kilogram of fertilizer was added, and 2 kg of superphosphate and potassium chloride were applied. kg. After budding, in the middle of 4 cauliflowers, 10 kg of urea per mu, 30 kg of superphosphate, 7.5 kg of potassium chloride, and 50 kg of potassium dihydrogen phosphate plus 20 kg of water per acre are sprayed. Roots and soil after budding once. After the ball has a large egg, the ball is promptly folded to cover the ball to prevent it from turning yellow. After the prevention of the emergence of pests and weeds, spray 50 g of chlorothalonil per acre on the seedbed every 5 days. Daejeon Heigen disease can be used to kill 1,000 times the liquid pouring root control; black rot, soft rot, per acre with agricultural streptomycin 150-200 grams plus water spray. Control pests, use insect nets to cover cultivation. Seed weeds were manually removed and field weeds were planted on the evening of the day of planting, and sprayed with 40% butachlor 125 ml and water 60 kg per acre. The timely harvesting of flower bulbs is fully grown, and the outermost squid branches and flower bulbs are harvested when there are cracks.

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