Suggestions on the selection of fertilizer for wheat

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It’s the season of autumn harvesting. When farmers buy a lot of fertilizer, how can they buy the various kinds of fertilizers on the market? Some farmers’ friends are guilty, they want to buy good quality, and they are afraid to buy expensive. I want to buy cheap, and I am afraid of buying a fake. Therefore, some people used cockroaches to use cockroaches last year. Some people used others to use cockroaches. Some people said that they chose expensive insurance, and some people chose cheap ones. In the end, what is the rational fertilization? The author talks about some points for your reference.
1. Select fertilizer according to your own soil conditions. There are always a spectrum of fertilization in my home for many years. The soil is sticky and sand should be known. Generally speaking, sandy soil has a thick texture and poor water retention and fertility. However, the soil temperature is easy to rise. A large amount of organic fertilizer or long-acting fertilizer is used as the base fertilizer. Quick-acting fertilizers should be top-lined, not too much. The clay soil is the opposite. The base fertilizer can be used as the organic fertilizer. The number of fertilizers can be reduced, and the amount can be larger. If there are conditions, take some soil samples and test them in the local agricultural department to see if there is a shortage of nutrients in the field.
2. Scientifically estimate the amount of fertilizer applied. According to scientific determination, the production of 50 kg of wheat seeds requires 1.5 kg of nitrogen, 0.625 kg of phosphorus pentoxide, and 1.25 kg of potassium oxide. Then the production of 500 kg of wheat requires 15 kg of nitrogen, 6.25 kg of phosphorus pentoxide, and 12.5 kg of potassium oxide, and then subtracts the nutrients that the soil itself has. In theory, it can reach the yield of 500 kg of wheat, which you apply. Fertilizer nutrients should be less than the above figures.

3. Accurately compare the cost performance, rational purchase of qualified fertilizer. There are unit fertilizers such as urea and potassium chloride in the market, compound fertilizers such as diammonium, and some special fertilizers for wheat, compound fertilizers, and formula fertilizers. We must see whether the packaging is regular or not, and whether the three certificates are complete; Whether the chemical properties of the nutrients contained are easily absorbed by the crops; the third is to accurately calculate the price and nutrient content. If you can buy a local formula, it is better, because the effect of fertilizer application is better than single application.

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