Saline and alkali resistant organic fertilizer

Abstract

The invention aims to provide a saline and alkali resistant organic fertilizer which is a soil improved fertilizer comprising microorganisms, inorganic fertilizer liquid, an organic medium and a soil water-retaining agent, wherein the microorganisms comprise aerobic nitrogen-fixing bacteria, cyanobacteria, phosphate and potassium-dissolving bacteria and acetic bacteria; the organic liquid medium and the soil water-retaining agent can effectively improve the soil structure and increase the soil water-retaining capacity, thereby providing good growth conditions for the microorganisms and the growth of crops. According to different soil compositions, different proportions of inorganic nutrients are added, so that not only can basic nutrients needed for the crops be met, but also the waste of the nutrients can be reduced. Through the long-term application of the fertilizer, the soil environment can be fundamentally and durably improved, so that the purpose of improving saline-alkali soil is realized.

Description

technical field [0001] The invention relates to an agricultural chemical fertilizer, in particular to a saline-alkali resistant organic fertilizer. Background technique [0002] The formation of alkaline soil and alkalized soil in my country is mostly related to the accumulation of carbonate in the soil. The degree of alkalization is generally high, and plants in severe saline-alkali soil areas can hardly survive. The soil in Dongying City can be divided into three categories: alkaline soil, saline soil and sandy soil. The closer it is to the Yellow River Basin, the lower its salinity. The average chemical analysis composition of these three soils is shown in Table 1 [0003] Table 1 Three kinds of soil chemical composition analysis results (%) [0004] [0005] Through soil plasticity experiments, the basic average parameters of these three soils are shown in Table 2 [0006] The basic parameter of table 2 soil (%) [0007] [0008] In the table, the soil plastici...

AI Technical Summary

Problems solved by technology

If chemical fertilizers are used alone for a long time, the soil will have adverse effects on soil quality and the environment

In the absence of sufficient organic matter in the soil, the aggregate structure is difficult to form, and the adhesion between soil particles is weakened, thereby reducing the water retention capacity of the soil; Nutrients are released under environmental conditions

In addition, the excessive use of chemical fertilizers will also have a serious impact on the environment

When excessive chemical fertilizers are applied, the nutrients that are not absorbed by the soil will be lost with the water, causing excess nutrients in the nearby water sources, accelerating the growth of algae, and affecting the entire ecosystem

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