Fertilizer for improving saline-alkali soil and preparation method of fertilizer

Abstract

The invention belongs to the field of chemical fertilizer, and discloses fertilizer for improving saline-alkali soil and a preparation method of fertilizer. The fertilizer is prepared from trace element fertilizer, agricultural fertilizer, agricultural fertilizer strain, biological fertilizer, peat, maleic anhydride, citric acid, calcium superphosphate, sodium ion adsorbent, microbial agent, fulvic acid, perlite, vermiculite, microbial fertilizer and pulverized straw particles. The preparation method comprises the following steps: uniformly mixing slurry A, a mixed solution B and slurry D, andobtaining slurry E; adding the microbial agent into the slurry E, and uniformly stirring; and adding the prepared agricultural fertilizer, the agricultural fertilizer strain and the microbial fertilizer into the uniformly stirred slurry E. By adopting the fertilizer, the salinization of the soil can be prevented, the continuous cropping diseases can be solved, the utilization efficiency and absorption rate of other fertilizer can be increased, and the investment cost can be reduced.

Description

technical field [0001] The invention belongs to the field of chemical fertilizers, in particular to an improved fertilizer for saline-alkali land and a preparation method thereof. Background technique [0002] Saline-alkali land is a type of salt accumulation, which means that the salt contained in the soil affects the normal growth of crops. According to the incomplete statistics of UNESCO and FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which my country is the largest 99.13 million hectares. The formation of alkaline soil and alkalized soil in my country is mostly related to the accumulation of carbonate in the soil, so the degree of alkalization is generally high, and plants in severe saline-alkali soil areas can hardly survive. In the process of utilization of saline-alkali land, simply put, it can be divided into light saline-alkali land, moderate saline-alkali land and heavy saline-alkali land. Light saline-alkali land means that i...

AI Technical Summary

Problems solved by technology

[0005] A large number of effective live bacteria die during the fertilizer storage process, and the shelf life of the product is short, making it difficult to achieve the expected effect after use;

[0006] When the concentration of effective viable bacteria is high, the fertilizer product will generate a large amount of gas in a short period of time, causing packaging deformation and other consequences that affect the product’s commerciality

[0007] In summary, the existing problems in the prior art are: saline-alkali soil has a lot of salt and high alkalinity, so that the soil humus is leached and the soil structure is damaged. It is sticky when wet and hard when dry, and the soil surface is often white. Salt accumulation, poor ventilation and water permeability, severe plant wilting, poisoning and root rot death

[0008] During the fermentation of agricultural fertilizers, the temperature is difficult to control due to weather factors, and the fermentation effect is not confirmed; the use of organic fertilizers is outdated, resulting in serious waste of resources

Images