High yield of peanuts cannot be based solely on nitrogen fertilizer

In recent days, the weather has been wet and rainy. In the ground, people can always see the phenomenon of applying urea to the peanut field. It is hard work, just want to make the peanut seedlings grow.

What the author wants to say is that in fact, peanuts do not only need nitrogen fertilizer during growth, but also need phosphorus and potassium fertilizer, especially trace elements. According to Liu Daozhong, chairman of the Ningling County Peanut Planting Professional Cooperative, and the agronomist, the root of the peanut root has a root-retaining bacteria and has the function of nitrogen and nitrogen production. Therefore, the demand for nitrogen fertilizer is not as large as people think, but instead it is phosphorus and potassium fertilizer. The demand is too large. In general, one acre of peanuts needs to apply 12% to 16% of phosphate fertilizer 50 kg, and another need to apply about 20 kg of potassium fertilizer. Peanuts require trace elements such as calcium, molybdenum, zinc and boron throughout the growth period. Peanut deficiency of calcium and boron is difficult to form a full fruit, the lack of molybdenum will cause yellow leaves of the seedlings, and the seedlings will be withered at the end of zinc deficiency. If the single application of nitrogen fertilizer for peanuts is easy to cause the seedlings to grow wild, it is not conducive to the control of the seedlings in the later stage, and the peanuts will appear as a result. Therefore, in the early stage of peanut growth, some nitrogen fertilizer can be applied to promote the early release of the tree. After the flowering, the application of nitrogen fertilizer should be reduced, and the micro-fertilizer should be applied more, so that the peanut can be harvested more efficiently and the cost of farming can be saved.

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