Odorless Water Treatment Agents Compoimd Fertilizer For Diverse Soils 50kg/Bag

Maximize Fertilizer Utilization with Water Treatment Agents for Diverse Soils

Compound fertilizer refers to chemical fertilizers containing two or more nutrients such as nitrogen, phosphorus, and potassium. Compound fertilizers have the advantages of high nutrient content, low side components, and good physical properties. They play a very important role in balanced fertilization, improving fertilizer utilization efficiency, and promoting high and stable crop yields.
But it also has some drawbacks, such as the fixed nutrient ratio, while the types, quantities, and ratios of nutrients required for different soils and crops are diverse. Therefore, it is best to conduct soil testing before use to understand the texture and nutritional status of the soil in the field. In addition, attention should be paid to the combination of unit fertilizers for better results.

According to fertilizer science
A considerable portion of compound fertilizers sold in the market do not comply with the national DB15063-94 standard. According to national standards, the effective nutrient content of compound fertilizers (compound fertilizers) should be at least 40% for high concentration nitrogen, phosphorus, and potassium, and at least 25% for low concentration nitrogen, phosphorus, and potassium, excluding trace elements and moderate elements; Water soluble phosphorus content ≥ 40%, water molecule content less than 5%; The particle size ranges from 1 to 4.75 millimeters. So when choosing compound fertilizers, in addition to looking at the trademark and nutrient content, it is also necessary to pay attention to the manufacturer and place of origin. In addition, there are two types of potassium in compound fertilizers, one is potassium chloride and the other is potassium sulfate. Potassium chloride contains chlorine and should not be applied to chlorine sensitive crops. Any compound fertilizer bag without the "S" symbol is potassium chloride. Chlorine resistant crops such as grapes, potatoes, tobacco, sugar beets, etc. must not be used. It is necessary to choose compound fertilizers with the "S" symbol on the fertilizer bag, which are composed of potassium sulfate.
By crop variety
Generally, nitrogen phosphorus potassium compound fertilizer is used for field crops, while nitrogen phosphorus potassium ternary compound fertilizer should be used for high-yield wheat fields; Wheat, rice, millet and other closely planted crops are suitable for using powdered compound fertilizers; Grain compound fertilizer should be used for crops such as corn that are cultivated in sparse planting; Vegetables, especially fruit vegetables, root vegetables, fruit trees and other economic crops, require more, and nitrogen phosphorus potassium compound fertilizers with high potassium content and low nitrogen should be selected.
According to soil characteristics
For soils that are slightly alkaline, have low organic matter content (generally around pH 8.0), and lack available nitrogen and phosphorus, acidic compound fertilizers such as monoammonium phosphate or humic acid nitrogen phosphorus potassium compound fertilizers and nitrogen phosphorus compound fertilizers are generally recommended. But for a small amount of red clay or acidic brown soil, alkaline compound fertilizers such as diammonium phosphate should be used.
According to the fertilization method
To improve the fertilizer efficiency of compound fertilizers, different application methods should choose different formulations of compound fertilizers. When used as base fertilizer, granular compound fertilizer must be selected, and the higher the hardness of the particles, the better, and the longest fertilizer effect. Choosing a compound fertilizer composed of ammonium nitrogen is beneficial for improving nitrogen utilization efficiency. If used as topdressing, powdered compound fertilizer should be selected, and attention should be paid to the water-soluble phosphorus content in the compound fertilizer, which should be greater than 40%. Nitrogen should be composed of two types of nitrogen, ammonium nitrogen and nitrate nitrogen. The effect of general application of humic acid compound fertilizer is better than that of topdressing.