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The Effect of Peanut Fertilizers on the Prevention of Yield Decreases
Peanuts are inconvenient for top-dressing because of mulching and under-ground conditions. Many of them are fertilized before sowing, resulting in prolonged lodging, premature deferrification, increased leaf spot, early leaf fall, and poor fruit filling, affecting yield and quality. The fertilizer effect backward migration technology refers to slow-release long-term fertilizers such as slow-release fertilizers, organic fertilizers, organic-inorganic compound fertilizers, and bio-organic fertilizers, which delays the fertilizer efficiency period, increases the fertilizer efficiency in the middle and later stages, and can control the prosperous growth of the early stage and prevent premature deferment. , Increase the use of fertilizers and reduce the pollution of fertilizers to the environment. Increase production and efficiency: Generally increase output by more than 10%, and increase the percentage of production personnel by 2%. Technical Highlights 1. Spring sowing peanuts are covered with plastic film, and high-yielding grain fields are applied to the two-cooking system of summer live mulching or wheat crop interplanting. Rotation for crops, deep plowing in autumn and winter, increasing organic fertilization fertility. 2. Coated controlled release fertilizer. Sulfur-enveloped or resin-coated urea with a controlled release period of 3 months, and a ratio of 1:1 with common urea, combined with phosphorus and potash fertilizers. Fertilizer fields need to exert their fertilizer effects later, and the proportion of controlled-release fertilizers can be appropriately increased. Dry and thin lands need to exert fertilizer effects earlier, and the proportion of controlled-release fertilizers can be appropriately reduced. The general amount of fertilization is: high yield fertility plots of about 500 kilograms per mu, 4000 to 5,000 kilograms of organic fertilizer applied to Mushi, 12 kilograms of phosphorus pentoxide, 12 kilograms of pure nitrogen, 10 kilograms of potassium oxide, and medium fertility of 350 to 400 kilograms per mu. Plots, Mushi organic fertilizer 3000 kilograms, phosphorus pentoxide 6 to 8 kilograms, pure nitrogen 8 to 10 kilograms, potassium oxide 4 to 5 kilograms. Or use coated controlled release blending fertilizer 40~50 kg/mu. The organic fertilizer is applied before the cultivated land, and the chemical fertilizer is applied to the ridge in a concentrated manner at the time of ridging. 3. Appropriate late broadcast. Spring sowing peanuts was postponed until the end of April to mid-May sowing, wheat sets of peanuts planted in late May, summer live broadcast in early June when the early broadcast. 4. Select high-product species and plant densely. The major peanut varieties Fenghua No. 1 and Shanhua No. 9 have a capacity of 08,000-0.9 million mu per mu, Fenghua No. 5 and Shanhua No. 7 have a total of 9,000-10,000 dunes. Small peanut varieties Fenghua No.4, Shanhua No.8 and other 10 thousand to 11,000 piers, with 2 per pier. 5. Other measures are the same as conventional ones. Appropriate to promote the region: Shandong Province and Huanghuaihai region. Matters needing attention: Drought affects controlled-release fertilizer with coated fertilizer to exert fertilizer effect. When drought needs to exert fertilizer effect, it should cooperate with irrigation.