Peanuts are crops that bloom on the ground and produce results underground. Since peanuts have this unique characteristic, production is obviously characterized by low flowering rate and high empty shell rate. Practice has proved that: In peanut cultivation, how to apply fertilizers rationally and create beneficial peanuts to “welcome acupuncture†after soil is the key to improving peanut seed setting rate. The following is the introduction of the "three-in-one" fertilization method for reference.
Organic fertilizer and chemical fertilizer are combined. In order to increase the soil's effective nutrients and make it form a plow structure with Panasonic solidification and gas-water coordination, we must adhere to the combination of organic fertilizer and chemical fertilizer on the types of fertilization. Organic fertilizer not only contains rich and complete nutrients, but also contains organic matter that can improve soil structure. Chemical fertilizers contain a single nutrient element, and nitrogen has a high content of available nutrients. The combination of the two can promote each other, improve fertilizer efficiency, improve soil structure, continue to fertilize the soil, and ripen the tillage layer.
Basal fertilizer combined with topdressing. Peanut flowering before the needle stage is the period before the strongest root absorption fertility and maximum uptake of fertilizer, so the fertilizer required for high-yield peanuts, all or most of the combination of winter plowing and early spring farming as base fertilizer and seed fertilizer application. If the basal fertilizer is insufficient and no fertilizer is applied, it can be topdressed appropriately. However, the topdressing time is early, usually before the flowering period. In the later stages of growth and development, in order to promote the fullness of pods, extra-root fertilizers can be applied.
The former is mainly combined with the latter. Peanuts are called "sweet pods" crops. They are straight roots. They are deeply ploughed into the soil and can absorb deeper nutrients. They can also leave part of the fixed nitrogen behind in the soil for use by the next crop. The leaves, leaves and leaves of peanuts return to the field, can significantly improve the soil fertility. However, most of the nutrients needed for high-yield peanuts come from the soil. Therefore, under the condition of medium or above ground force, fertilization in the former is better than that in the peanut. Relevant tests showed that when sweet potatoes were first planted and then peanuts were planted, the total fertilization amount of two crops of two crops was the same. The yield of sweet potato applied to the whole plant was the highest, which was more than 20% higher than that of non-fertilizer. The application of whole-fertilizer from peanuts before sweet potato production was about 12% higher than that from the whole plant. On the basis of the previous cropping and fertilizing, when fertilizing peanuts, fertilizing materials should be appropriately increased. Although peanuts have lower absorption and utilization of fertilized nutrients, they have a significant yield increase effect at moderate fertility levels because it can compensate for the consumption of output. Soil nutrients. In a nutshell, the high-yield fertilization of peanuts must adhere to the principle of the former, and supplemented by wolfberry supplementation, and the principle of “combination of use and supportâ€.
Peanuts are fertilization methods. According to the high-yield peanuts on the absorption of nitrogen, phosphorus, and potassium nutrients and the absorption and utilization of fertilizers, the “half nitrogen, phosphorus doubling, and potassium full†fertilization methods can be used under normal conditions, ie, 13.5 kg of nitrogen per mu, and phosphorus 11 Kilograms, potassium 16 kilograms, equivalent to 5000 kilograms per acre high quality fertilizer, urea 13 kilograms or ammonium bicarbonate 35 kilograms, superphosphate 72 kilograms, potassium sulfate 22 kilograms or potassium chloride 18 kilograms or 150 kilograms of plant ash. In the medium or low soil fertility conditions, to achieve high yields, you can use the “full application of nitrogen and potassium, phosphorus fertilizer twice times†fertilization method, that is, 27 kg of nitrogen per acre, 11 kg of phosphorus, 16 kg of potassium, equivalent to each Mushi high quality fertilizer 5000 kg, 42.5 kg of urea or ammonium bicarbonate 115 kg, 72 kg of superphosphate, 22 kg of potassium sulfate or 150 kg of potassium oxide or wood ash.
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