Efficient ecological urea fertilizer and preparation method thereof

Abstract

The invention provides an efficient ecological urea fertilizer, which is prepared from the following components in parts by weight: 100 parts of urea melt liquid, 0.5 to 1 part of synergistic stock solution, 0.1 to 0.15 part of bonding component, 10 to 15 parts of humic acid mixture and 15 to 25 parts of straw residue, the synergistic stock solution comprises a mixture of a chelated potassium stock solution, a chelated potassium-zinc stock solution and a chelated potassium-zinc-boron stock solution; the bonding component is a mixture of modified cyclodextrin and bentonite; the invention further provides a preparation method of the efficient ecological urea fertilizer, the stable synergistic urea fertilizer can be prepared by the efficient ecological urea fertilizer and the preparation method of the efficient ecological urea fertilizer, and the forming amount, the forming stability and the nutrient content of the efficient ecological urea fertilizer are improved.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a high-efficiency ecological urea fertilizer and a preparation method thereof. Background technique [0002] At present, in my country's fertilizer production, urea is the most widely used and used fertilizer variety, and it is one of the main sources of soil fertility. However, when excessive application of urea, only a small amount is adsorbed by soil colloids in the form of molecules, and a large amount of fertilizer nitrogen remains in the soil. This part of nitrogen will not only cause nutrient imbalance, but also be catalyzed by urease in the soil. Rapid hydrolysis It is ammonium carbonate, which causes the loss of ammonia volatilization, nitrification-denitrification and other ways, resulting in low utilization rate of urea. [0003] In addition, for other nutrients needed by crops, it is often only possible to increase other beneficial nutrients needed by crop produc...

AI Technical Summary

Problems solved by technology

However, when excessive application of urea, only a small amount is adsorbed by soil colloids in the form of molecules, and a large amount of fertilizer nitrogen remains in the soil. This part of nitrogen will not only cause nutrient imbalance, but also be catalyzed by urease in the soil. Rapid hydrolysis It is ammonium carbonate, which causes the loss of ammonia volatilization, nitrification-denitrification and other ways, resulting in low utilization rate of urea

[0003] In addition, for other nutrients needed by crops, it is often only possible to increase other beneficial nutrients needed by crop production by applying various fertilizers, which not only increases the cost of users, but also causes greater side effects on the soil ; Therefore, there is an urgent need for a high-efficiency ecological urea fertilizer to increase other beneficial nutrients needed for crop production in the original elemental urea, while the traditional urea process cannot meet the production of high-efficiency ecological urea fertilizers, and cannot combine beneficial nutrients and urea. Mix evenly, or can't make urea load beneficial nutrients stably, which affects the production and promotion of high-efficiency ecological urea fertilizer, and can't meet the use demand