In Huaibei, the short hours of light in autumn, coupled with the late planting of potato stalks, have a certain impact on peanut yield. In order to increase yield, the following measures should be taken: Linyi Fertilizer Network Co., Ltd.
　　 1, 2 times fertilization. The first views peanuts Peanut emergence to flowering, fertilizer requirement per acre 12.5 kg urea, ammonium bicarbonate, or 40-50 kg. This can supplement the formation and nutritional needs of peanut seedling rhizobium, which is beneficial to branching, flowering and needle down. The second time was under the peanuts. At this time, the plant grows rapidly, the peanuts bloom a lot, the flower needles form a large amount, absorb nutrients, and the growth rate is the most and the fastest period. At this time, the fertilization effect is the best. It is required to apply 15-20 kg of diammonium per acre and 10-15 kg of potassium chloride . Linyi Fertilizer Network Copyright
　　 2 , foliar topdressing. Peanut leaves are thicker, and they are prone to premature aging and black hair. Replenishing foliar fertilizer is beneficial for regulating its physiological activity and increasing yield. It can spray 0.2% potassium dihydrogen phosphate solution, urea 0.1%-0.2% solution, and increase 1000 times liquid. Linyi Fertilizer Network Copyright
Fertilization benefits of crop roots Many external fertilization is a method of fertilizing crops, that is, chemical fertilizers such as nitrogen, phosphorus and potassium, trace element fertilizers and human excrement are dissolved in water, sprayed on the leaves of crops, and crops are made. Absorption and utilization. This method of fertilization is mostly used in the late stage of crop growth, also called foliar fertilization. Linyi Fertilizer Network Copyright
There are many benefits to fertilization outside the roots. Linyi Fertilizer Network Copyright
First, the fertilizer is quick: the fertilizer is dissolved in water and sprayed onto the leaves of the crop. It can enter the leaf flesh in more than 10 minutes, and it can be used in a few hours. For example, the cotton leaf surface sprayed with urea liquid, the leaf surface changed from yellow to green after 3 days, and the root was topdressed for 7 days. Linyi Fertilizer Network Copyright
Second, the fertilizer efficiency is high: the general root topdressing, the utilization rate of fertilizer in the season is 25%-70% , and the foliar spray is 90% . Linyi Fertilizer Network Copyright
Third, the amount is small, fertilization evenly: fertilization outside the root, the amount of urea per acre is only 1-1.5 kg, but the superphosphate is only 1.5-2.5 kg, the cost is low and the benefit is high. The amount of topdressing is more than several times, and it is difficult to apply evenly. Linyi Fertilizer Network Copyright
Fourth, the method is simple: the fertilizer can be dissolved in water, and it can also be combined with the control of pests and diseases and chemical agents to spray, in one fell swoop. In the middle and late stages of crop growth, crops have been closed, root dressing is more difficult, and production is reduced due to mechanical damage, and root dressing can avoid this situation. Linyi Fertilizer Network Copyright
Fifth, the effect of increasing production is obvious: According to the test, in the late growth stage of cotton, nitrogen and phosphorus mixed spray can increase the bellling rate, increase the boll weight, and increase the yield by 5%-10% ; the potassium dihydrogen phosphate and superphosphate in the flowering and filling stage of corn Can promote grouting, increase grain weight, increase yield by 5%-7% ; sweet potato block expansion period spray 0.2% potassium dihydrogen phosphate, can increase yield by more than 7% ; peanuts during the period of spraying 0.05% ammonium molybdate solution, can increase production by more than 15% . Linyi Fertilizer Network Copyright
Of course, although the effect of fertilization outside the root is good, the amount of fertilization is limited, and the fertility of the leaf surface is not as good as the root. Therefore, it cannot replace the root topdressing in the early stage of crop growth, but can only be used as an emergency measure. Linyi Fertilizer Network Copyright
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Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
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