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A kind of straw brick for edible mushroom cultivation and preparation method thereof

A technology of straw bricks and edible fungi, applied in the application, solid/semi-solid fertilizer, agriculture and other directions, can solve the problems of affecting the growth of edible mushrooms, reducing production efficiency, a large amount of white garbage, etc., to prevent the loss of water and fertilizer, improve Utilization rate, the effect of improving the utilization rate of water and fertilizer

Active Publication Date: 2020-09-11
安徽展大生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are the following problems in bag cultivation: 1. The plastic material used in bags is generally high-density polyethylene or polypropylene, which will produce a large amount of white garbage, which is difficult to handle and has a long degradation cycle, causing environmental pollution; 2. Packing culture materials into bags It is easy to have uneven bagging and other phenomena, which will affect the growth of subsequent edible mushrooms; 3. Because the plastic bags used are thin, they are prone to damage during transportation and handling, and during the bagging process, the straw punctures the plastic bag, 4. Since the cross-section of the bag is elliptical, when placing the inoculated strains for cultivation, it is necessary to pay attention to placing the inoculated end facing upwards, and avoid placing the inoculated part downwards, thereby reducing production efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for preparing straw bricks for edible fungus cultivation, comprising the following steps:

[0023] S1. Preparation of starch adhesive: add 2 times of water to the starch, and stir the reaction at 35°C. After the reaction, add an inorganic base to adjust to alkalinity, then add polyvinyl alcohol and ethanol solution of octenyl succinic anhydride. Stir the reaction at 40°C. After the reaction, add 6 times the starch mass of NaCl solution, raise the temperature to 65°C, stir the reaction, remove ethanol, add citric acid to adjust to neutral, and obtain the starch adhesive;

[0024] S2. Straw treatment: Crush the crop straw, divide it into two parts, put one part into a steam explosion tank, pass water vapor into the tank, perform a steam explosion treatment, release the pressure and spray, and put the sprayed material into the steam explosion tank. Into the secondary steam explosion tank, feed the mixed gas of water vapor and nitrogen into the tank, carry out the ...

Embodiment 2

[0027] A method for preparing straw bricks for edible fungus cultivation, comprising the following steps:

[0028] S1. Preparation of starch adhesive: Add 2 times of water to the starch, stir and react at 30°C for 30 minutes, after the reaction, adjust the pH value to 8.0 with 10% NaOH solution, add polyvinyl alcohol, octenyl succinic anhydride ethanol Solution, wherein the mass ratio of polyvinyl alcohol, octenyl succinic anhydride and starch is 18:16:100, stirred and reacted at 35°C for 2.5h, after the reaction, add 5% NaCl solution of 5 times the mass of starch, Raise the temperature to 60°C, stir and react for 2 hours, remove ethanol, add citric acid to adjust to neutrality, concentrate until the solid content is 25%, and obtain the starch adhesive;

[0029] S2. Straw treatment: Crush the crop straw, divide it into two parts, put one part into a steam explosion tank, feed water vapor until the pressure in the tank is 0.5 MPa, keep the pressure for 2 minutes, release the pr...

Embodiment 3

[0032] A method for preparing straw bricks for edible fungus cultivation, comprising the following steps:

[0033] S1. Preparation of starch adhesive: add 3 times of water to the starch, stir and react at 35°C for 35 minutes, after the reaction, adjust the pH value to 8.5 with 10% NaOH solution, add polyvinyl alcohol, 15% octenyl succinate Ethanol solution of acid anhydride, wherein the mass ratio of polyvinyl alcohol, octenyl succinic anhydride and starch is 15:15:100, stirred and reacted at 40°C for 2 hours, after the reaction, add 5% NaCl which is 6 times the mass of starch The solution was heated to 65°C, stirred for 2.5 hours, ethanol was removed, citric acid was added to adjust to neutrality, and concentrated to a solid content of 30% to obtain a starch adhesive;

[0034]S2. Straw treatment: Crush the crop straw into 3mm, divide it into two parts, put one part into a steam explosion tank, feed water steam until the pressure in the tank is 0.8MPa, keep the pressure for 3m...

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Abstract

The invention discloses a straw brick for cultivation of edible mushroom and a preparation method thereof. The preparation method comprises the following steps of preparing of starch adhesive, treating of straw, and mixing of material, so as to prepare the brick. The prepared straw brick has the advantages that when the straw brick is applied to the cultivation of the edible mushroom, the utilization rate of the crop straw is improved, and the waste is changed into the valuable; the white pollution due to bagged cultivation is avoided; the management is easy, the mushroom is regularly grown, the output is stable, the product quality is high, the production efficiency and economic benefit are improved, and the straw brick is very suitable for medium and small farmers in urban and rural to plant and cultivate the edible mushroom.

Description

technical field [0001] The invention relates to the technical field of biological fertilizers, in particular to a straw brick for edible fungus cultivation and a preparation method thereof. Background technique [0002] my country is a large agricultural production country, and produces a large amount of agricultural residues—straw every year. According to statistics, the total amount of straw produced by agricultural production activities in China is nearly 900 million tons every year, ranking first in the world. Due to the transfer of rural labor forces and the transformation of farming methods, the comprehensive utilization rate of straw is low, and most of the straw is burned or littered on the spot. The resulting agricultural non-point source pollution and environmental pollution have been increasingly affected. The government has successively issued a number of policies and accountability mechanisms to prohibit straw burning, and strongly supports the promotion of com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/28C05G3/00C05G5/10
Inventor 高炯
Owner 安徽展大生物科技有限公司
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