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Peanut It is important to apply top dressing during the flowering period. At this time, the nitrogen fixation capacity of Peanut Rhizobium gradually decreases, and the plant enters the peak of nutrient demand. There are two cases: (1) There is no field of phosphate fertilizer or compound fertilizer in the base fertilizer. Due to insufficient nutrient in the early stage, the vegetative body is generally weak, and the main purpose is to increase fertilizer and promote growth. Generally, about 10 kilograms of high-concentration compound fertilizer per acre is dissolved in water and then poured, such as leuco-yield and 3-5 kilograms of urea. After fertilization, the roots are loosened in time. (2) Fields containing phosphate fertilizer or compound fertilizer in base fertilizer. If the plant grows in general, 5-8 kg of urea per acre is applied; the soil with higher soil fertility and higher plant growth is not applied.
Soybean (1) skillfully applied flower pod fertilizer. Soybeans enter the vegetative growth and reproductive growth after flowering, and the demand for nutrients reaches a peak. At this time, if the nutrient is lacking and the light is insufficient, a large number of flower pods will fall off. Generally, 8-10 kg of urea per acre is applied. For the field where no phosphorus and potassium fertilizer is applied in the base fertilizer, 10-12 kg of high-concentration compound fertilizer per acre is dissolved in water and then poured. (2) Foliar fertilization. In the late growth stage of soybean, the root activity and the ability to absorb fertilizer were weakened, and the fertilization was inconvenient, while the leaf had a strong ability to absorb fertilizer, which could be used for foliar spray fertilizer. Generally, the weak and weak fields can be sprayed with drip with 0.3% urea solution and 0.2% potassium dihydrogen phosphate solution; 0.2% potassium dihydrogen phosphate solution can be sprayed separately. Most of the fields can be sprayed with trace element foliar fertilizer.
Source: Jiangsu Agricultural Science and Technology News
Peanut and soybean
The cultivation of peanuts and soybeans in Haimen City is relatively scattered. Farmers do not pay much attention to the topdressing of the growing season, which is an important reason for the year-on-year production. It is an important measure to improve the yield level by focusing on the fertilization of peanuts and soybeans in different situations.
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