High-grade compound fertilizer of compound salt of phosphoric acid and producing method

Abstract

A phosphate double salt advanced compound fertilizer is characterized in that it is made up of the following components (parts by weight): urea (containing N46.3%) 1000, potassium chloride (containing K 2 O57%) 230-1000, phosphate double salt dried product 220-950, sulfur (containing S90%) 25-120, boric acid (containing B17%) 5-35, ferrous sulfate (containing Fe17.5%) 5-35 , zinc sulfate (containing Zn21%) 5-30, manganese sulfate (containing Mn31%) 4-20, copper sulfate (containing Cu25%) 2-15, ammonium molybdate (containing Mo54%) 0.5-3, light magnesium oxide 5-30. Its total nutrients are greater than or equal to 55%, of which nitrogen, phosphorus, and potassium are greater than or equal to 48%. It is currently the compound fertilizer with the highest nutrients formulated according to international agrochemical standards. It has stable performance, long-lasting fertilizer effect, and small usage. , can save a lot of labor, so as to achieve the purpose of saving labor, labor, increasing production and increasing income.

Description

Technical field: [0001] The invention relates to an inorganic fertilizer, in particular to a phosphate compound salt compound fertilizer and a production method thereof. Background technique: [0002] In the past ten years, China’s fertilizer industry has developed rapidly and its total output has leapt to the forefront of the world. However, its product variety structure is extremely unreasonable. The proportion of high-concentration phosphorus compound is too low. Most fertilizers are not in accordance with the international agrochemical standards (nitrogen). The ratio of phosphorus and potassium is 1:0.5:0.6). The ratio of nitrogen, phosphorus and potassium is often 1:1:1. In addition, long-term farmers use a single type of fertilizer, improper fertilization method, serious fertilizer loss, and extremely high utilization rate. Low, the long-term imbalance of the supplementary amounts of large, medium and trace elements required for farming and plants, causing salt damage, acid...

AI Technical Summary

Problems solved by technology

[0002] In the past ten years, my country's fertilizer industry has developed rapidly, and its total output has leapt to the forefront of the world. However, its product variety structure is extremely unreasonable, and the proportion of high-concentration phosphorus compound fertilizers is too low. The ratio of nitrogen, phosphorus, and potassium is 1:0.5:0.6), and nitrogen, phosphorus, and potassium are often used at a ratio of 1:1:1. In addition, the long-term farmers use a single type of fertilizer, improper fertilization methods, serious fertilizer losses, and extremely high utilization rates. Low, long-term imbalance in the supplementation of large, medium and trace elements required by farming and plants, causing salt damage, acid damage, chlorine damage, and ammonia damage to the soil, and damage to the aggregate structure of the soil, especially the lack of some trace elements, resulting in Variety of crops, lower plant yield, lower quality

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