Peanut is a rare, exotic, and high-quality nutrient-health-care peanut new breed in the world. It has a growing period of about 130 days, a large fruit type, and a weight of 250 grams. The seeds are oblong, purple and black, and are integrated with nutrition, health care, beauty, and beauty. It is the most distinctive new peanut variety. The specific planting techniques are as follows:
First, planting land selection. Black peanuts are suitable for planting in various soils with a pH of 5.5 to 7.2. They are best cultivated in soils with deep soil layers, good plough layers, good soil properties, and good drainage. Oil sands are the best.
Second, the cultivation time. When the soil 5 cm soil temperature is stable above 15 °C can be sown. It can usually be planted from early March to early May.
Third, seed processing. Before sowing, the “biological spirit†nutrition solution was soaked in 15 kg of water for 3 hours each to increase seed nutrients, and 50 grams of dimethoate was used for seed disinfection. With 40% to 50% of carbendazim 150 to 250 grams of seed dressing 50 kg can prevent stalk rot.
Fourth, planting methods. Drilling, spacing 30 cm. Cave sowing, spring sowing density of 9000 holes per 667 square meters, line spacing of 39 cm 18 cm. Summer sowing density of 11000 holes per 667 square meters, line spacing 35 cm 16 cm, sowing 2 seeds per hole.
Fifth, rational fertilization. The base fertilizer was applied to 2,000 m2 of biofermentation compost, 10 kg of urea, 35 kg of phosphate fertilizer, 30 kg of potassium sulfate, 0.5 kg of boron fertilizer, and 1 kg of zinc fertilizer per 667 m2. 3 to 4 leaf stage with chlormeson spray 25 to 30 ml, spray once every 7 days, and even spray 3 times. In the early flowering period, 15 kg of water was sprayed with nutrient solution, sprayed once every 10 days, and sprayed 3 times. In the flowering period, the base of the plants was covered with soil so that the roots were not excavated, and the nutrient solution was sprayed after 7 days.
Sixth, weeding. Before sowing, spray 700 g of oxalomine per 667 square meters on the water, or use 50% acetochlor to 75 ml of water and 100-150 kg of water to evenly spray the ground. In the period of 2 to 3 leaves of peanuts, 100 g of gaige is sprayed on the ground for every 667 m2 of water and artificial weeding is finally performed.
VII. Pest control. Peanut seedling can be sprayed with 5% Jinggangmycin aqueous solution 2000 times to control damping-off. For virus-infected aphids, when the ramie strain rate reaches 5% to 10%, it is sprayed with 10% imidacloprid wettable powder 3000 times solution or 40% dimethoate emulsion 1000-1500 times solution. For brown spot, black spot, anthracnose, etc., 50% carbendazim WP 1000 times or 80% Mancozeb WP 500 times spray at the beginning of the disease, spray every 7-10 days Once, spray three times. When the leaves turn yellow during the growth period, the roots should be promptly inspected and root rot should be found. For every 667 square meters, 50 grams of root rot is used to spray 15 kilograms of water 3 to 5 times. Prevent and treat ants, use potash powder and base fertilizer together.
Eight, field management. Peanuts need more water in their needles and in the pods, and should be watered in time if drought occurs. Peanuts are afraid of embarrassment. The rainy season should pay attention to drainage, especially during the clam season to prevent waterlogging to prevent rotten fruit.
Nine, appropriate harvest. The lower leaves of the plants were normally detached and the seed coats were harvested when they appeared pink. Dried in time after harvest to prevent mildew.
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