Applying phosphate fertilizer, soybean yielding effect is good

The promotion of phosphorus on soybean root growth is beneficial to the formation of nodules. When the supply of phosphorus in the soil is insufficient, the soybean nodules can invade the roots but do not form nodules. Molybdenum fertilizer is an essential trace element for nitrogen fixation in root nodules. In the case of soil phosphorus deficiency, single application of molybdenum fertilizer reduces the nodule. Phosphorus plays an important role in the synthesis of amino acids in nodules and the transfer of soluble nitrogen into Other parts of the plant. Therefore, the application of phosphate fertilizer to increase the yield of soybean or other legume crops is particularly significant. Phosphate fertilizer has little mobility in the soil and is easily adsorbed and fixed. Therefore, it is better to use a concentrated application method such as ditch application and acupoint application after the phosphate fertilizer should be mixed with organic fertilizer. The amount of superphosphate applied per acre is 15-25 kg, and the amount of soil with severe phosphorus deficiency can be increased appropriately. Soybean sowing time can be seeded with a small amount of superphosphate to meet the needs of phosphorus growth during seedling growth and rhizobial growth. Soybean can be fertilized with potassium dihydrogen phosphate at a concentration of 0.1-0.2%. It is sprayed once in the initial flowering stage and the final flowering stage, and each time it is used for about 100 grams, it also has a certain yield increasing effect. Huaxian Agricultural Technology Promotion Center Lu Shuguang

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