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NPK compound fertilizer refers to a compound fertilizer containing nitrogen, phosphorus, and potassium. With the rapid economic development, agriculture has put forward higher requirements on the variety and quality of chemical fertilizers, and the production of compound fertilizers has also been paid more and more attention. It is the mainstream fertilizer in the market at present. The market demand is large and the economic benefits are good. Investment compound The fertilizer plant has a good profit. Recently, we have also sold an NPK compound fertilizer production line to Canada.
NPK compound fertilizer production line sold to Canada
Recently, our company has reached a cooperation with a Canadian company to send an NPK compound fertilizer production line composed of 4 Double roller granulators to Canada.
This set of production lines uses a Double roller granulator as the main machine, which is formed at one time, with a small investment and good economic benefits. Our company has updated the machine on the basis of the first generation. It adopts a hard tooth surface reducer, compact structure, good sealing performance, and greatly reduces noise. At the same time, we lead the oil filling hole of the machine to the outside of the machine, so that customers do not need to disassemble when filling oil, and at the same time it is more convenient to maintain. Rolling NPK compound fertilizer production line granulator does not require drying and produces at room temperature. The product is rolled into shape at one time.
Commonly used NPK compound fertilizer
1. 15-15-30 (content: nitrogen 15%, phosphorus 15%, potassium 30%)
Fine processing, stable content, high potassium content, low relative use cost, significant yield increase, etc., and can enhance the ability of crops to resist cold, drought, pests, and lodging, and effectively improve the quality of agricultural products. Suitable for base fertilizer, top dressing, and extra-root top dressing. According to different crops, use spreading, furrow application, hole application, and strip application.
2. 15-30-15 (content: nitrogen 15%, phosphorus 30%, potassium 15%)
High phosphorus type. It is especially suitable for some “chlorine-free” crops, such as tobacco and tea. Enhance crop resistance, such as high temperature, drought resistance, flood resistance, cold resistance, disease resistance, etc. Increase crop yield, significantly improve product quality, and increase the nutritional value of crops. The structure is stable, the nutrients are not easily lost, and it is not easy to agglomerate.
Use urea or NPK compound fertilizer for top dressing?
Topdressing is to add nutrients to crops and ensure that crops can grow normally in the future. As for topdressing urea or NPK compound fertilizer, it should be analyzed according to the actual situation.
1. For plots with relatively poor soil, crops are prone to yellow leaves, purple-red leaves, etc., in this case, it is recommended to topdress NPK compound fertilizer.
2. For crops that grow normally, the soil is not barren, the crops are not growing, and the base fertilizer is also normally applied, it is recommended to apply urea.
3. For plots that do not use base fertilizer, only NPK compound fertilizer can be topdressed, and single urea cannot guarantee the subsequent growth of crops.
4. For plots with one-time plantar fertilizer, the follow-up need not be top-dressing, or a small amount of urea can be top-dressed in the later period.
How to choose NPK compound fertilizer?
The choice of NPK compound fertilizer should be based on the crop. Take corn as an example. First of all, the nitrogen content should be high. After all, corn is a nitrogen-loving crop. You can choose high nitrogen, low phosphorus, and medium potassium or high nitrogen, medium phosphorus, and low potassium. Compound fertilizer, or compound fertilizer with the same phosphorus and potassium content, in addition, in actual production, it is also feasible for some farmers to use urea with diammonium + potassium chloride.