Peanut high-yield cultivation techniques

Peanut adopts a new technique of mulching and mulching, which has the advantages of early sowing, increasing temperature and moisturizing, preserving drought resistance, improving soil physical and chemical properties, inhibiting weeds, preventing cold and cold damage, promoting early seedlings, early flowering, multiple flowers, increasing fruit production, and mentioning the morning market. Advantages, and the output can produce more than 400 kilograms of fresh fruit per acre. In the production of mulching peanuts, the “three excellent, three defenses, and one timely” high-yield and high-efficiency cultivation techniques are implemented.

First, optimize the variety, high quality and high yield. The mulching peanuts should use strong plants, strong seedlings, no resistance to disease, no premature senescence, early-maturing or medium-maturing kernels, compact plant types, concentrated pods, high yield potential, and good product quality.

Second, optimize seeding, seedlings and seedlings. Before sowing, the seeds should be dried for 2-3 days in order to enhance the permeability of the seed coat, enhance the water absorption capacity of seeds, promote germination and germination of seeds, and increase the emergence rate. The sowing time should be controlled by the cold tail warmer in mid-March. In order to make full use of the early fruit market, we must increase the planting density. The general row spacing is 33 centimeters, the hole distance is 20-25 centimeters, and about 10,000 holes per acre. Each hole is seeded with 2 kernels, and the basic seedlings per acre are about 20,000. Cover and press the film well to speed up ground temperature and promote early emergence and full seedlings.

Third, optimize fertilization, strengthen the tube. Peanut mulching should be selected for deep soil, loose and fertile soil texture, water retention and fertilizer, good air permeability in winter fields, winter vegetable fields or within two years of grass and fodder crop interplanting can also be. In combination with deep ploughing, basal fertilizer is applied to decompose organic fertilizers, combined with the application of nitrogen, phosphorus, and potassium quick-effect fertilizers. During the site preparation, 0.25 kg of methyl isophosphorus per acre was applied to soil to prevent overwintering. And a good set of ditch, so that energy can be discharged, drought irrigation. Film cultivation of peanuts generally emerge in about 15 days, after the first seeded peanuts cover film, when the seedlings unearthed to use a knife to cut a triangular mouth to help seedlings out of the film to prevent high temperature burning. For deficiencies in basal fertilizer, poorly growing plots use 0.2% urea or potassium dihydrogen phosphate for rootless fertilizer application to promote seedling growth, so that early flowering needles, more flowering needles together, pods early.

Fourth, prevent leggy, control high and strong. B9, paclobutrazol, and other plant growth regulators can be used in the cultivation of peanuts to control shoot stalk growth and promote reproductive growth. In the flowering period, peanuts plants with overgrowth are sprayed with B9 paclobutrazol (50g/mu) and water (50kg/m3) to control high growth, postpone the seal period and reduce shading.

Fifth, prevent premature aging and extend the functional period. In the later stage of growth, water and fertilizer management is strengthened on the one hand, and it is easy to age in the case of drought or waterlogging; on the other hand, foliar spray is applied. In the initial stage of fruiting, the potassium dihydrogen phosphate 0.2% and urea 1- are used. 2% of the mixture of 50 kg of fertilizer sprayed outside the roots, sprayed every 7-10 days, a total of 2-3 spray.

Sixth, disease prevention and pest control, promote Fengbao income. Before sowing, 0.25 kg carbendazim is used to mix 25 kg of peanut seed to prevent seeding. The rust and leaf spot can be combined with extra-root fertilizer application in the middle and late stages of peanut growth. 75% chlorothalonil and 1% equivalent can be used. Bordeaux mixture is used interchangeably. When aphids and Spodoptera litura occur, they can be sprayed with 40% dimethoate emulsion or 50% methamidophos.

Seven, timely harvest, increase efficiency. The general growth period of mulching peanuts is about 90 days, and the full fruit rate can reach 85% or more. At this time, it should be harvested and listed in a timely manner in order to increase efficiency. The local market can generally be harvested at the beginning of July.

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