Sulphur-based gamma-biological compound fertilizer and preparation method thereof

Abstract

The invention discloses sulphur-based gamma-biological compound fertilizer and a preparation method thereof. The sulphur-based gamma-biological compound fertilizer comprises gamma-poly(glutamic acid), wheat straw extract, microbial agents and secondary elements, namely, nitrogen elements, phosphorus elements and potassium elements. The gamma-poly(glutamic acid) and the microbial agents are prepared through the fermentation process. The wheat straw extract is obtained by extracting and processing young wheat straw seedlings. The secondary elements are obtained through related compound powder. The sulphur-based gamma-biological compound fertilizer comprises 0.1-5.0 parts of gamma-poly(glutamic acid), 3-12 parts of wheat straw extract, 2-6 parts of microbial agents, 20-30 parts of urea, 55-85 parts of monoammonium phosphate and 30-50 parts of potassium sulfate, wherein microelements include calcium, magnesium, sulphur, manganese, zinc, boron and molybdenum. By means of the sulphur-based gamma-biological compound fertilizer, the nitrogen nutrition utilization rate can be increased, and by means of the supplementary effect of synergistic interaction of the gamma-poly(glutamic acid) and the wheat straw extract, the soil microenvironment is improved, the nutrient absorption is promoted, the crop yield is increased, and the disease-resistant, stress-resistant, anti-interference and successive crop prevention capacity of plants is improved.

Description

technical field [0001] The invention relates to the technical field of microbial compound fertilizer production, in particular to a sulfur-based γ-biological compound fertilizer and a preparation method thereof. Background technique [0002] In modern agricultural production, chemical fertilizers are playing an increasingly important role, and the consumption of compound fertilizers is very large, about tens of millions of tons per year. Commonly used compound fertilizers are divided into three types: sulfur-based compound fertilizers, nitro-based compound fertilizers, and chlorine-based compound fertilizers. In the past 20 years, new varieties of long-acting compound fertilizers have been developed. The domestic chemical fertilizer industry mainly uses nitrogen, phosphorus, and potassium as raw materials, and uses physical or chemical synthesis methods to produce three-element compound or compound fertilizers. The production process of NPK compound fertilizers mainly includ...

AI Technical Summary

Problems solved by technology

[0007] The production of γ-polyglutamic acid can be produced on a large scale with biological fermentation technology, which can not only improve the utilization rate of three-element nutrients of compound fertilizers, but also have a certain water retention effect on plants, and can reduce the water consumption required for plant growth , but as a functional additive for a suitable fertilizer, its role and efficiency are far from being fully realized; how to screen substances that can produce synergistic effects with γ-polyglutamic acid, and jointly develop a biological fertilizer to improve γ-polyglutamic acid The effective role of glutamic acid provides countries and farmers with more effective and economical microbial compound fertilizers, thereby creating greater social and economic benefits

The direct economic loss caused by the waste of nearly 100 billion yuan is caused by the low utilization rate of fertilizers in my country every year. This not only causes the waste of chemical fertilizers, but also pollutes the environment on which human beings depend, such as the atmosphere and water bodies and soils.