Sweet Potato (hawthorn) is cut and planted in direct seeding and planted 20 to 30 days earlier than traditional planting. Due to prolonged growth period, it generally increases about 1,000 kilograms of fresh Potato production, which is a comprehensive investment with low investment, high efficiency, and labor saving time. High yield cultivation techniques. First, the selection of potato species. Select the suitable varieties for local planting. The size of the tubers should be uniform. Each piece weighs about 100 to 150 grams, and the potato chips that are damaged by freezing and pests are excluded. In general, 50 kilograms of mu are used to soak seeds. According to the density of buds at the upper and lower ends of the tuber, the upper part of the tuber should be cut smaller, the lower part should be larger, each block should retain 2 to 3 buds, and the cut potato mother should be soaked in the 500-600 times carbendazim solution. One 20 minutes. Remove immediately after drying out and sow. Third, set up fertilization, adequate base fertilizer. Mushi organic fertilizer 4000-6000 kilograms, three yuan compound fertilizer 50 kilograms, deep plowing, take the cultivation of ridge, ridge width of not less than 80 cm, height 28-30 cm. Fourth, timely sowing. Cutting live broadcast time is 1 month earlier than planting time. It is best to plant seed potatoes in the ground within two days after harvesting, so as to avoid cold damage. Before sowing, open a furrow with a width of 15 cm deep and a depth of 5-6 cm. After pouring enough water to infiltrate the groove, put the buds of the mother's buds facing upwards in the groove. The spacing is 25-30 cm, immediately after planting. Seal the membrane for moisturizing and warming. Fifth, strengthen management. The seedlings are about 2 cm high, and artificially ruptured in a timely manner to avoid burning seedlings. The rise in temperature at the end of May and early June should be promptly lifted. At the same time pay attention to weed control pests. Avoid turning, so as not to reduce production.
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