Production practice has proved that in addition to selecting good varieties of peanuts, scientific fertilization can often increase the yield by 10% to 30%. In the process of peanut growth, it is very sensitive to calcium, magnesium, sulfur, molybdenum, boron and other elements. In order to give full play to the increased yield of peanut fertilization technology, it should be adapted to local conditions and balanced fertilization due to seedlings.

First, we must pay attention to peanut fertilization. Some farmers believe that peanuts are leguminous crops. Rhizobium can make nitrogen fertilizers without fertilizers. This is a misunderstanding. Peanuts use seed nutrients and absorb nutrients in the soil to maintain growth after sowing to the formation of rhizobia. The lack of fertilizer is difficult to grow seedlings, and it will also inhibit the growth of the middle and late stages. It is necessary to apply adequate nutrition elements.

Secondly, fertilize the soil. Practical experience in various regions shows that the lower the fertility of the soil, the greater the increase in fertilizer application and yield. Therefore, peanuts grown on plots with poor soil fertility should focus on fertilization.

Third, we must mix and apply seed (sub) fertilizer. One is to mix 0.2 kilograms of peanut rhizobia agent per acre of peanut seeds and add 2.5 to 10 grams of ammonium molybdate; the second is to mix 0.4 to 1 grams of boric acid per kilogram of seeds; the third is to mix peanuts Ren first dipped the rice soup, and then plastered 1 to 1.5 kg of seeds per mu. All localities can choose the application according to the actual local conditions.

Fourth, fertilize the seedlings. According to research, the ratio of peanut to nitrogen, phosphorus and potassium is 1:0.18:0.48. Fewer fertilizers are needed at the seedling stage, about 25% of the total during the flowering stage, and 50% to 60% of the total during the pod stage. In this regard, in the application of fertilizers, one is the general application of basic fertilizers, about 1500 kg of organic fertilizer per acre, with 15-20 kg of phosphorus fertilizer, and 5 kg of nitrogen fertilizer for soils with poor fertility; , Apply 500-1000 kg of rotted organic fertilizer per mu, 4-5 kg ​​of urea, 10 kg of superphosphate, combined with cultivating soil; the third is the application of 150 ml of Huimanfeng or Zhuangfuxing active liquid fertilizer per acre at the initial flowering stage, mixed with clear water 50 kg spraying has a significant effect on promoting branching to increase the number of pods and the number of full fruits; the fourth is the podding period, which can spray 0.2% to 0.3% potassium dihydrogen phosphate and 1% urea solution, which can play a phosphorus supplement The effect of increasing nitrogen.

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