High-yielding Cultivation Techniques of Peanut Lamination

Plastic film coverage is a new technology for peanut production. According to the experiment, plastic film coverage increased by about 20% compared to open field cultivation, and the higher ones could increase production by more than 40%. The technical points are as follows: 1. Select good varieties and select good varieties should be based on fertility. The moderately fertile plots with deep soil, loose texture, and strong water retention and fertility guarantees high-yield varieties with medium maturity, large fruit upright, and high yield potential, such as Luhua 11 and Haihua No. 1; poor water and fertilizer conditions. The thin land should use high-yield varieties such as Baisha 1016. 2. Apply base fertilizer, fine soil preparation cone-shaped root system, requires deep soil, loose texture, permeability and fertility of the soil conditions. Therefore, under the premise of deep turning in winter and spring, every 667 square meters (1 acre) will be applied to fertilize 3,000 to 4,000 kg of organic fertilizer, 40 kg of ammonium bicarbonate, 50 kg of phosphate fertilizer and 27 kg of potash fertilizer, and then shallow ploughing will be carried out. Pingzuo 畦, 畦 width 60 to 80 cm, height 10 to 15 cm, sulcus width 20 to 25 cm, lack of sensation, to irrigate before cultivation, so that the soil moisture content of 15% to 16%. 3. Appropriate sowing time for sowing and film-covered peanuts The sowing period after sowing has already passed the standard, too early and too late are not conducive to high yield, and it is better to be in mid-April in Shandong Province. Peanuts are sun-dried 2 to 3 days before seeding to promote germination. Before planting, herbicides such as stalks shall be sprayed to prevent weeds. The 8000-10000 holes are planted every 667 square meters at equal intervals, with 2 to 3 kernels per hole. There are two kinds of coverage before and after broadcast. Both have their own advantages and disadvantages. At present, they mainly cover after broadcast. In the case of poor soil moisture conditions, they can also be covered before broadcast. After the film is covered, the soil shall be used to compress the four sides, and a strip of earth shall be pressed horizontally every 3 meters to prevent the wind from uncovering the film to ensure the improvement of the ground temperature. 4. In time, the membrane is broken, and the seedlings of the seedlings are covered with peanuts for about 10 days. The peanuts are sown and then covered. When the seedlings are just unearthed, a triangular mouth is cut on the membrane with a knife to help the seedlings to produce a film and prevent burning at high temperatures. seedling. When the peanuts are seedlings, the roots of the seedlings are exhaled by hand, leaving the two cotyledons exposed outside the membrane and clearing the seedlings to reduce the growth of weeds and aphids in the rhizosphere. Twenty days after the clearing, the earth was timely and the seed setting rate was improved. 5. Chemical regulation and cultivation of strong seedlings Chemical regulation is a high-yielding technology for coated peanuts. For blocks that are prematurely closed and overgrowing, spray with 1000-1500 times of B Jiu (B9) in the middle and late July, or spray with paclobutrazol 100-150*10E-6 at the early flowering stage and flowering stage. It can effectively shorten the internodes, increase lateral branches, and increase fruit filling rate, generally increasing production by 15% to 25%. For fertility deficiency and premature failure fields, 0.2%-0.3% potassium dihydrogen phosphate or 0.2% superphosphate calcium clarifier should be sprayed, plus 1% urea mixed spray. 6. Drought resistance, pest control and pest control in the whole growing period of peanuts must both prevent drought, but also pay attention to drainage. When the soil moisture content is less than 10%, it is necessary to water in time; when the rainy season comes, dug field trenches and dredge drains to ensure smooth water flow and prevent waterlogging in the fields. Peanut pests and diseases mainly include aphids, cockroaches, leaf roller moths, leaf spot diseases, stalk rot, root rot, bacterial wilt and ferret.

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