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Method of quick composting tree branch and trunk residual bodies by virtue of chemical-biological combination

A chemical biology and tree technology, which is applied in the field of chemical biology combined with rapid composting of tree branches and trunk residues, can solve the problems of slow natural decomposition of tree branches and long humification cycle of wood fibers of branches and trunks, and achieve soil texture improvement. , the theory is easy to understand, the effect of the theory is clear

Inactive Publication Date: 2013-11-27
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method solves the problem of slow natural decomposition of tree branches and the long humification cycle of branch lignocellulosic fibers commonly found in compost, and provides a resource for the resource utilization of tree branches and other residues with high lignin and cellulose content. a proven method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Collection of tree branches and trunks: When tree management and protection are carried out in spring and autumn, collect the stems and branches produced by pruning, and place them in a ventilated place to dry and store them properly;

[0020] Material preparation: use a pulverizer to crush the dried branches and stems into 5cm large particles, and mix them thoroughly;

[0021] Site selection: Choose an open area with a relatively flat terrain at the outer edge of Karamay urban area (nursery base) and determine it as a composting site;

[0022] Sampling calculation: take samples of the materials to be composted, weigh them, dry them to constant weight at a temperature of 65℃, measure their moisture content, analyze the organic C and total N content, and calculate the total carbon content and total nitrogen content of the material The ratio C / N value, according to the actual C / N value of the material, using urea as the regulator, calculate the amount of urea needed when the C / N...

Embodiment 2

[0028] Collection of tree branches and trunks: When tree management and protection are carried out in spring and autumn, collect the stems and branches produced by pruning, and place them in a ventilated place to dry and store them properly;

[0029] Material preparation: use a pulverizer to crush the dried branches and stems into 5cm large particles, and mix them thoroughly;

[0030] Site selection: Choose an open area with a relatively flat terrain at the outer edge of Karamay urban area (nursery base) and determine it as a composting site;

[0031] Sampling calculation: take samples of the materials to be composted, weigh them, dry them to constant weight at a temperature of 65℃, measure their moisture content, analyze the organic C and total N content, and calculate the total carbon content and total nitrogen content of the material The ratio C / N value, according to the actual C / N value of the material, using urea as the regulator, calculate the amount of urea needed when the C / N...

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Abstract

The invention relates to a method of quick composting tree branch and trunk residual bodies by virtue of chemical-biological combination and in particular relates to a method of quick decomposing the tree branch and trunk residual bodies in arid and semiarid areas. The method comprises the eight steps: tree branch and trunk collection, material preparation, site selection, sampling calculation, material C / N value regulation, humidity control, litter making and process treatment. With the adoption of the method, the purpose of quick composting the tree branch and trunk residual bodies is reached mainly by virtue of a mode of adding an FeSO4 solution and inoculating a microorganism straw decomposing agent, and the problems that tree branches and trunks are slow in natural decomposition and composts are generally long in wood fiber humification period of the branches and trunks are solved. The invention provides an effective method for resource utilization of tree branch and trunk residual bodies and the like with higher lignin content and cellulose content and provides a scientific basis for making urban garden greening management decisions.

Description

Technical field [0001] The invention belongs to the technical field of litter decomposition and regulation, and in particular relates to a method for rapidly composting tree branches and stems by chemical and biological combined use in arid and semi-arid areas. Background technique [0002] With the development of economy and society, the area of ​​urban gardens and green areas has increased rapidly, and the amount of garden green wastes such as pruning, thinning, turfgrass and litter produced during the greening and maintenance process is also increasing. Under natural conditions, the nutrient elements contained in litter are gradually returned to the soil for reabsorption by plants after decomposing, which is very important for soil fertility maintenance and plant growth. However, in the actual process, in order to keep the environment beautiful and clean, a large amount of lignocellulose-based garden green waste is artificially cleaned up as garbage, and centralized and unifie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/00C05G1/00
CPCY02W30/40
Inventor 杨玉海李艳红李卫红徐基平涂锦娜于建
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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