Common Problems and Prevention of Ground Cover Peanut Cultivation

Release time:

2018-03-30

Common Problems and Prevention of Ground Cover Peanut Cultivation

Peanut implementation of the practice of film over the cultivation has repeatedly proved that it has obvious advantages over the open field direct broadcasting. One is heat preservation, two is moisture preservation, three is fertilizer preservation, four is to improve the soil, five is to eliminate weeds, six is labor-saving, seven is early early hair, eight is high-yield and high quality. However, mulching peanut cultivation also often appear some technical errors, one is not timely, soil texture rough; two is the use of film is too thick, resulting in waste; three is the lack of moisture, sowing discomfort cover the film after the emergence of seedlings is not uniform; four is the bottom of the fertilizer is too much or not enough, resulting in the growth of madness or early failure; five is not with herbicides or with the cover film is not strict, so that the top of the film broken weeds.

In order to give full play to the yield potential of ground cover peanuts, in the sowing of basic work, to take the following countermeasures.

First, fine ground preparation. Generally determined to take the film cover cultivation of peanut field, winter should be plowed kang soil, winter is too late to plow, after the spring should be promptly plowed dew sun, and then fine harrowing. To achieve the compartment straight compartment flat, soil bubble grass net, on the sparse under the solid, soil coarse block is absolutely can not cover the film.

Second, appropriate amount of fertilizer. Peanut bearing rhizobacteria can fix part of the nitrogen in the air, but can not all meet the needs of peanuts on nitrogen fertilizer, much less replace the demand for phosphorus and potassium fertilizer, therefore, cover the film before the appropriate amount of good fertilizer, per mu should be applied to the soil residue fertilizer 4,000 kilograms of urea 10 kilograms of calcium phosphate 45 kilograms of grass ash 50-100 kilograms, or potash 10 kilograms.

Third, appropriate moisture sowing. Peanuts covered with mulch before the soil moisture must contain water that can ensure the germination of peanuts. When the soil temperature is stabilized through 12 ℃, the seed can be sown. General sowing period in early to mid-April. Large seeds are sown at a rate of 16-18 kilograms per mu, and 8,000-9,000 holes are sown. Small seeds are sown at 13-15 kilograms per mu and 9000-11000 holes. 2 grains per hole.

Fourth, safe drug application. The use of mulching cultivation of peanuts, peanuts sown before the emergence of seedlings, must be sprayed with herbicides. Available per mu Lasso 100-150 ml, or ethylchlorothiazide 50-75 ml, or Duer 125-150 ml, per 50-60 kg of water, sprayed on the surface of the soil before covering the film. You can also use the fine stabilized kill, cover grass can and other herbicides. Selection of herbicides, a variety of the right way, the second dose is accurate. This can be done safely, economically and effectively.

Fifth, careful selection of film. Cover peanut film, one should not use thick film, two should not use old film, broken film. Elected film thickness should be 0.004 mm to 0.008 mm microfilm, or 0.014 mm film. The width of the film depends on the width of the compartment. The film must be covered flat and tightly. Take the soil and press the film at each isolated meter to prevent the film from being blown over or torn when there is a strong wind.

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