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Spring peanut fertilizer technology essentials
Fertilizer base fertilizer dosage should account for 80% to 90% of the total fertilization. Some peanut farms only use basal fertilizer, and they can also obtain high yields without topdressing at a later stage. Basal fertilizer can be used for high quality fertilizer from 1,000 to 3,000 kilograms per acre. The application of phosphate fertilizer to peanuts requires more phosphorus than normal crops, and it also has high absorption and utilization of phosphate fertilizers. Tests have shown that applying 10 kg of calcium phosphate per acre results in significant yield increase, and the aftereffect is obvious. When fertilizing phosphate fertilizers in a weak manner, adding 2.5 to 5 kg of urea per acre as a seed fertilizer can better exert the effect of increasing phosphorus production. However, fertilizers and seeds must be isolated when applying seed fertilizers so as not to harm the seeds and affect their germination and emergence. Calcium fertilizer Peanut applies 10 kg of calcium sulphate per mu, which can not only regulate the pH of the soil, increase the nitrogen fixation ability of the rhizobia, but also improve the nitrogen nutrition, promote the development of pods, reduce the empty fruit and rotten fruit. Artificial inoculation of peanut fungus with rhizobia can make peanuts root nodule and multiple nodules as early as possible, and improve the nitrogen fixation ability of peanut plants. At present, the peanut rhizobium agent (rhizobium fertilizer) promoted in production generally uses 25 grams per acre. When used, it should be added into a proper amount of water to make a paste and mix with the seeds. Note that it is necessary to mix with the seed and prevent the sun, in addition Also avoid mixing or contacting with bactericides.