Method for in planta transformation of pruned apple tree branches into biochar organic fertilizers

A biochar and apple tree technology, which is applied in the preparation of organic fertilizers, bio-organic part treatment, organic fertilizers, etc., can solve the problems of long fermentation cycle, high cost, and low compost fertilizer efficiency, and achieve simple production process and reduce chemical fertilizers use, the effect of a clear growth advantage

Inactive Publication Date: 2018-04-13
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the composting process generally has problems such as long fermentation period, high cost, and low compost fertilizer efficiency, which is also the main reason why domestic agricultural and forestry waste composting resource utilization has not been effectively promoted.

Method used

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  • Method for in planta transformation of pruned apple tree branches into biochar organic fertilizers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A method for apple tree pruning in situ conversion biochar organic fertilizer, comprising the following process:

[0058] Step 1. Crush the apple tree and its prunings into wood chip units, screen the wood chip raw materials with a length of 20-60mn, and pretreat them with high-temperature and high-pressure steam. The pretreatment temperature is 170°C, the pressure is 0.7Mpa, and the steam environment treatment time is 2h , the entire treatment process is intermittent treatment, each treatment volume is 20 tons of naturally dried apple tree prunings, after the treatment is completed, natural drying can be selected to be used as raw materials for subsequent fermentation;

[0059] Step 2, the inoculation ratio of Trichoderma reesei, Aspergillus fumigatus, Bacillus licheniformis and Pseudomonas bacterial strain (Trichoderma reesei, Aspergillus fumigatus, Bacillus licheniformis and Pseudomonas bacterial strain used for fermentation is 1:2: 2:1) Cultivate on PDA medium at a ...

Embodiment 2

[0065] A method for apple tree pruning in situ conversion biochar organic fertilizer, comprising the following process:

[0066] Step 1: Crush apple trees and their prunings into sawdust units, screen the sawdust raw materials with a length of 20-60mn, and pretreat them with high-temperature and high-pressure steam. The pretreatment temperature is 175°C, the pressure is 0.75Mpa, and the steam environment treatment time is 3h , the whole treatment process is intermittent treatment, each treatment volume is 30 tons of naturally dried apple tree prunings, after the treatment is completed, natural drying can be selected to be used as raw materials for subsequent fermentation;

[0067] Step 2, the inoculation ratio of Trichoderma reesei, Aspergillus fumigatus, Bacillus licheniformis and Pseudomonas bacterial strain (Trichoderma reesei, Aspergillus fumigatus, Bacillus licheniformis and Pseudomonas bacterial strain used for fermentation is 1:2.5: 2:1) were cultured on PDA medium at 3...

Embodiment 3

[0073] A method for apple tree pruning in situ conversion biochar organic fertilizer, comprising the following process:

[0074] Step 1: Crush apple trees and their prunings into sawdust units, screen the sawdust raw materials with a length of 20-60mn, and pretreat them with high-temperature and high-pressure steam. The pretreatment temperature is 180°C, the pressure is 0.8Mpa, and the steam environment treatment time is 4h , the whole treatment process is intermittent treatment, each treatment volume is 40 tons of naturally dried apple tree prunings, after the treatment is completed, natural drying can be selected to be used as raw materials for subsequent fermentation;

[0075] Step 2, the inoculation ratio of Trichoderma reesei, Aspergillus fumigatus, Bacillus licheniformis and Pseudomonas bacterial strain (Trichoderma reesei, Aspergillus fumigatus, Bacillus licheniformis and Pseudomonas bacterial strain used for fermentation is 1:3: 2:1) Cultivate on PDA medium at a consta...

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Abstract

The invention discloses a method for in planta transformation of pruned apple tree branches into biochar organic fertilizers. The method includes: step 1, raw material pretreatment, grinding apple trees and pruned branches thereof into wood dust units, selecting wood dust raw material in length of 20-60mm, subjecting to high-temperature high-pressure evaporation pretreatment, and naturally dryingafter treatment; step 2, preparing a fermentation microorganism mixed agent; step 3, preparing pruned apple tree branch biochar; step 4, subjecting pretreated raw materials in the step 1 to compostingfermentation; step 5, repeatedly turning fermented fertilizers in the step 4 to perform composting fermentation again; step 6, packaging the fertilizers to store. By adoption of the method, forestryand agricultural residues can be effectively returned to fields, and the problem of pollution to environment and soil in piling and incineration of the forestry and agricultural residues can be reduced.

Description

technical field [0001] The invention belongs to the technical field of agricultural and forestry waste treatment and clean composting product development, and relates to a method for in-situ conversion of apple tree pruning into biochar organic fertilizer. Background technique [0002] Agricultural and forestry waste refers to the organic substances that are discarded during the harvesting and processing of agricultural and forestry crops, mainly including plant residues such as crop straw, leaves, fruit trees and prunings generated in the process of agricultural and forestry production. The main components are Lignocellulosic. In recent years, with the continuous development of the planting industry, etc., the amount of agricultural and forestry wastes has increased day by day. Taking the fruit tree planting base in Shaanxi Province as an example, its nearly 10 million mu of apple trees are pruned every year to produce fruit tree branch wood and eliminated newer fruit tree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05F17/00C05G3/80
CPCC05D9/00C05F17/00C05G3/80C05F11/00C05F11/08Y02W30/40
Inventor 张斌王严严刘云云娄瑞迟聪聪赵红霞
Owner SHAANXI UNIV OF SCI & TECH
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