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A method for repairing severe rocky desertification by using vines

A vine plant and rocky desertification technology, which is applied in the field of ecological restoration, can solve the problems of restoration effect and restoration cycle that are difficult to achieve the expected goal, and limit the application prospect of vine plants.

Inactive Publication Date: 2020-10-20
CHONGQING ACADEMY OF FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although vines have many inherent advantages in rocky desertification control, their restoration effect and repair cycle are difficult to achieve the expected goals with simple cultivation and utilization, which greatly limits the application prospects of vines in rocky desertification control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Example 1: Construction of the repair area

[0057] Set a pit with a side length of 1m x 1m and a depth of 0.5m-1m at the center of the restoration area, and set a 30cmx30cmx20cm arc-shaped vine planting hole with a radius of 0.5m-1m with the pit as the center; The inner wall of the pit is set as a ladder structure, and the ladder structure is set at half of the depth direction, and a diversion channel is also arranged at the half of the depth direction, and the diversion channel is connected with the vine planting hole . The prepared composite nano-nutrition block is placed on the ladder structure of the inner wall of the pit, and the top of the composite nano-nutrient block is filled with fertile soil and is flush with the edge of the pit, so as to realize the planting area in the upper part of the pit and the water storage area in the lower part. isolate the build;

Embodiment 2

[0058] Embodiment 2: Preparation of composite nano-nutrient block

[0059] According to the number of parts by mass, fully mix 60-80 parts of shell powder, 30-50 parts of peanut shell powder, 40-50 parts of walnut shell powder, 30-40 parts of water-absorbing resin microcapsules, and 20-30 parts of slow-release fertilizer to obtain a mixed Powder A: According to the mass parts, mix 30-50 parts of deionized water, 5-7 parts of foaming agent, 3-5 parts of adhesive and 70-90 parts of mixed powder A in a constant temperature grinder to fully grind Mix to obtain a uniform mixed slurry B; use the mixed slurry B as the material body, and prepare a composite film C through a compression molding machine; put the composite film C in a calcination furnace at 100-150°C, and anneal for 0.5-1h to obtain a composite film Nano Nutrient Blocks.

Embodiment 3

[0060] Example 3: Preparation of water-absorbent resin microcapsules

[0061] According to parts by weight, fully mix 15 parts of gelatin and 25 parts of gum arabic, add 10 parts of macromolecular water reducer, and emulsify with a high-speed disperser, stir the emulsion at a low speed, and lower the pH to 5 at 30-50°C -7, carry out complex coagulation reaction to obtain water-absorbent resin microcapsules.

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Abstract

The invention relates to a method for repairing severe stony desertification by using liana. The method comprises the following steps that a severe stony desertification repaired area is selected, according to the site situation, a pit is arranged and taken as a circle center, and a liana planting pit is arranged by adopting pit-shaped land preparation; the pit is internally filled with a compoundtype nano-nutrient block, and the portion, above the compound type nano-nutrient block, of the pit is filled with rich soil to be flush with the edge of the pit; rice chaff and hay pellets are fullymixed to serve as a filler to fill the bottom of the liana planting pit, and then plant ash, farmyard manure or organic fertilizer are used for performing filling and flushing until being flush with the edge of the planting pit; suitable liana is selected to be planted in the pit according to a spatial allocation mode, and the liana is guided to spread and grow in different directions assisted byarticle measures. The method for repairing the severe stony desertification by using the liana has the advantages that the cost is low, the operation is simple, and the repairing effect of the severestony desertification is further improved through the special construction of a soil matrix of the liana planting pit in the severe stony desertification area and the scientific selection and plantingof the liana.

Description

technical field [0001] The invention relates to the technical field of ecological restoration, in particular to a method for repairing severe rocky desertification by using vines. Background technique [0002] Rocky desertification refers to the disturbance of human activities in limestone areas with tropical and subtropical humid and semi-humid climates and the background of their development. Surface vegetation is destroyed, soil is severely eroded, bedrock is exposed in large areas, surface desertification, Extreme forms of land degradation phenomena. According to the results of the second rocky desertification monitoring by the State Forestry Administration, the southwest karst area composed of 8 provinces and cities including Guizhou, Guangxi, Yunnan, Hunan, Chongqing, Sichuan, Hubei, and Guangdong, with the Yunnan-Guizhou Plateau as the main body, has a rocky desertification land area of ​​1200.2 million hm2, the rocky desertification phenomenon is very serious, known...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/00A01G7/06A01G17/00A01C21/00
CPCA01C21/005A01G7/06A01G17/005A01G22/00
Inventor 王轶浩梁洪海薛兰兰
Owner CHONGQING ACADEMY OF FORESTRY SCI
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