Reasonable application of nitrogen fertilizer
According to different characteristics, various nitrogen fertilizers should be treated differently. Ammonium bicarbonate is easy to volatilize ammonia, suitable for deep application of basal fertilizer; nitrate nitrogen fertilizer has strong mobility in the soil, and has good fertilizer efficiency. It is a good top-dressing fertilizer in dry fields. Normal paddy fields can be topdressed with ammonium nitrogen fertilizer or urea. Some fertilizers are toxic to the seeds, such as urea, ammonium bicarbonate, ammonia, lime nitrogen, etc., not suitable for seed fertilizer; ammonium sulfate, etc. although can be used for seed fertilizer, but the amount should not be too much, and the best soil separation between fertilizer and seeds . In dry areas where there is less rainfall, the problem of nitrate nitrogen leaching is not significant. Therefore, the application of nitrate nitrogen fertilizer is more appropriate. It is better to apply ammonium nitrogen fertilizer and urea in rainy areas or in rainy season. When applying nitrogen fertilizer, apply it deeply. The deep application of nitrogen fertilizer can reduce the direct volatilization of fertilizers, loss of water, nitrification and denitrification. Deep fertilization is also conducive to the development of roots, deep rooting, and expanding the nutritional area. When applying nitrogen fertilizer, other fertilizers should be reasonably applied. The combined application of nitrogen fertilizer and organic fertilizer plays an important role in capturing high yields, stabilizing production, and reducing costs. This will not only better meet the needs of crops for nutrients, but also improve fertility. Combined application of nitrogen fertilizer and phosphate fertilizer can increase the use of nitrogen and phosphorus, especially in soils with low soil fertility, and nitrogen and phosphorus fertilizers have better effects. In the soil with insufficient effective potassium content, the combination of nitrogen fertilizer and potash fertilizer can also increase the effect of nitrogen fertilizer. According to the target crop yield and soil nitrogen supply capacity, determine the reasonable amount of nitrogen fertilizer, and reasonably grasp the bottom, top dressing ratio and application period, which depends on the specific crops, and combined with irrigation, farming and other agronomic measures. We are a manufacturer and supplier of raw materials and intermediates for pharmaceuticals. Our focus is on providing customers with high quality, fair priced products, coupled with our broad range of technical know-hows on fundamentals, vast industrial experience on applications, professional expertise on health and safety, and efficient logistics on customer services. Our intermediates products range covers many different kinds of API, we have established good market for our intermediates in India, Korea and EU. Besides the products of Ziprasidone Intermediates, Ibrutinib Intermediates, Lcz696 Intermediates , Palbociclib Intermediates and Tazobactam intermediates, we have other strong intermediates like Tazobactam Intermediate with CAS No. 288-36-8.
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