Green and environment-friendly composted straw composite fertilizer

Abstract

The invention discloses green and environment-friendly composted straw composite fertilizer. The composite fertilizer is prepared from raw materials in parts by weight as follows: 85-95 parts of inorganic fertilizer raw materials, 10-20 parts of composted straw, 6-15 parts of corncob powder, 10-20 parts of cassava residues, 1-5 parts of fish bone meal, 2-8 parts of guano, 5-12 parts of pine needlemeal, 6-16 parts of wormcast, 0.1-0.6 parts of a soil improvement microbial agent, 8-16 parts of a soil improvement carrier, 0.5-1.5 parts of propylene glycol alginate, 2-4 parts of an antibacterialcoating agent and 1-2 parts of lignin. The antibacterial coating agent is prepared with a following process: peanut protein powder, citric acid and an ethanol solution are mixed uniformly, sodium hydroxide is added to regulate pH of the system to 4-6, microcrystalline cellulose, polyethylene glycol, melted beewax and nisin are added and stirred, and the antibacterial coating agent is obtained. Thecomposite fertilizer contains comprehensive nutrition and has long-lasting fertilizer efficiency, promotes release of soil nutrients, and can also improve physical properties of soil and increase soil aggregate structure.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a green and environment-friendly decomposed straw compound fertilizer. Background technique [0002] Our country produces about 1.5 billion tons of crop straws and leaves of vegetables and fruit trees every year. These plant materials contain up to 60-75% of organic matter. my country's soil organic matter has increased significantly. [0003] Crop straw is a very valuable fertilizer resource. It is particularly important and urgent to make full use of these straw resources. However, with the rapid development of my country's economy and the transfer of a large number of rural labor forces, it is not uncommon for straws to be burned on the spot every time the crops are harvested. The direct return of straw to the field will cause serious pests and diseases to the crops of the next season. The traditional direct return of crop straw to the field is increasingly unsuitable for t...

AI Technical Summary

Problems solved by technology

[0003] Crop straw is a very valuable fertilizer resource. It is particularly important and urgent to make full use of these straw resources. However, with the rapid development of my country's economy and the transfer of a large number of rural labor forces, it is not uncommon to burn straw on the spot every time the crop is harvested. The direct return of straw to the field will cause serious pest problems for the next season's crops. The traditional direct return of crop straw to the field is increasingly unsuitable for the reality of rural and agricultural production in our country and needs to be resolved urgently