Application of key fertilizers to prevent de-fertilization Premature aging Covered peanuts thrive, consume more nutrients during the pod-dressing period, and tend to show signs of de-fertilization in later stages, leading to defoliation, premature aging, and affecting fruit-bag inflating. To timely fertilizer to prevent premature aging. First, fertilizer and fertilizer integration. The plots under the drip irrigation facilities under the film can be dripped with water-soluble fertilizer (17-5-23) 15 kg/mu. The second is foliar spray fertilizer. In the later stage of the scab, foliar spraying of potassium dihydrogen phosphate 120~150g + urea 350~400g + 75% chlorothalonil wettable powder 70~80g, spraying once every 10~15 days, even spraying 2 Times to extend the life of peanut functional leaves. The third is to add trace fertilizer. The iron-deficient blocks can be sprayed with 0.2%~0.5% ferrous sulfate solution when the new leaves are yellowed and sprayed twice; the boron-deficient blocks are sprayed with a 0.1% to 0.25% boric acid or borax aqueous solution during the flowering period; Zinc-deficient blocks can be sprayed with 1%~2% zinc sulfate solution during the flowering period.
Pouring a good key to promote growth and development of water is a good injection of needle water under flowering, promote flowering needles, increase the number of effective flowers and nuts (needle), improve the quality of the group. In the spring peanut field, when the plant leaves just begin to turn white and there is wilting, it is necessary to add water. The single-seed high-yield field has the advantages of strong soil fertility retention, strong seedlings, and flower bud differentiation. It is necessary to focus on pouring flower water to ensure that the flower needles increase the number of effective flowers and needles at the later stage. Summer peanuts have a short flowering period and can't be affected by drought. Watering in drought should be timely. The second is to pour well the water, ensure the proper soil moisture, promote the expansion of the pods, and lay the foundation for fruitfulness. The third is pouring good fruit and water, rooting to prevent premature plant failure, increase full fruit, increase fruit weight, while preventing and controlling aflatoxin contamination.
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