As a Compound Fertilizer Manufacturer, share with you.
First: Take into account the soil quality. For soils with low alkaline organic content and lack of available nitrogen and phosphorus, acidic nitrogen and phosphorus compound fertilizers are generally used, but chemically alkaline should be used for a small number of red clay or acid brown soils. Compound fertilizers, such as diammonium phosphate, etc., this is to select the compound fertilizer suitable for the soil based on the soil quality, and the other is to take into account the variety of the crop. Generally, the nitrogen and phosphorus compound fertilizer is used for the field crops, such as wheat or high-yield fields. Choose ternary compound fertilizer of nitrogen, phosphorus and potassium. For densely planted crops such as wheat, rice and millet, powder compound fertilizer should be used.
NPK Compound Fertilizer Production Line
Second: There is also a mixed use of single fertilizers, because the nutrients of compound fertilizers are fixed. To better play its role in increasing production, single fertilizers should also be used together to adjust the effects of different nutrients in different growing crops. For example, rice, corn, wheat, and other crops need more nitrogen during the growth period. If you choose diammonium phosphate with less nitrogen and more phosphorus, you must first calculate the amount based on phosphorus, and use insufficient nitrogen. Single-system nitrogen fertilizer supplement, if it is to meet the calculated amount of crop nitrogen first. Phosphorus will be too much, resulting in fertilizer waste, then you still need to consider the method of fertilization, for example, the base fertilizer must be granular compound fertilizer, and the harder the granule, the better, which helps to prolong the fertilizer efficiency. Compound fertilizer is easy to be absorbed by the soil and not easy to lose. It is suitable for various soils and crops, but it must be applied deeply, the deeper the better, so what matters should be paid attention to when using compound fertilizer?
Compound fertilizer has high nutrient content, few side components, and good physical properties. This is an advantage. It plays a very important role in balanced fertilization to improve fertilizer utilization, promote high and stable crop yields, but also has some shortcomings, such as its nutrients. The ratio is always fixed, and the quantity and ratio of nutrient elements required by different soils and different crops are diverse. Therefore, soil testing must be carried out before application to understand the texture and nutritional status of the soil, so different crops choose different fertilizers.
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