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Method for effectively controlling and recovering perennial weeds in peat land

A weed and peat technology, applied in field preparation methods, botanical equipment and methods, horticulture, etc., can solve problems such as the difficulty of forming stable dominant communities for caryophyte species, and achieve the effects of low cost, easy operation, and promotion of germination.

Pending Publication Date: 2020-09-15
NORTHEAST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that Carex species are difficult to form a stable dominant community in a short period of time, and provide a method for effectively controlling and restoring perennial weeds in peatland

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1 A method of effectively controlling and restoring perennial weeds in peatland

[0019] 1) Removal of litter and litter on the ground: Before peatland restoration, it is first necessary to remove litter and litter on the ground; the time for removal of litter and litter on the ground is from the end of April to the beginning of May, that is, In the spring when the snow cover has just melted and before the beginning of the growing season;

[0020] 2) Spraying herbicides: During the growing season from late May to early June, after the perennial weeds in the restored area have all germinated, spray 0.5% to 1% glyphosate on the germinated weeds, 150ml per mu ~200ml, keep the surface free of water for two weeks after herbicide spraying;

[0021] 3) Land consolidation: After all the weeds are dead, replenish water to the restored land, the water level is 0~5cm, use a rotary tiller to further destroy the weed propagules, and make the surface of the restored land for...

Embodiment 2

[0026] Example 2 A method of effectively controlling and restoring perennial weeds in peatland

[0027] 1) Removal of litter and litter on the ground: Before restoration of peatland, litter and litter on the ground need to be removed first; litter and litter on the ground should be removed at the end of April, that is, in spring Just before the snow melts, before the start of the growing season;

[0028] 2) Spraying herbicides: During the growing season from late May to early June, after the perennial weeds in the restored area have all germinated, spray 0.5% to 1% glyphosate on the germinated weeds, 150ml per mu ~200ml, keep the surface free of water for two weeks after herbicide spraying;

[0029] 3) Land consolidation: After all the weeds are dead, replenish water to the restored land, the water level is 0~5cm, use a rotary tiller to further destroy the weed propagules, and make the surface of the restored land form a mirror field;

[0030] 4) Transplanting of the target ...

Embodiment 3

[0034] Example 3 A method of effectively controlling and restoring perennial weeds in peatland

[0035] 1) Removal of litter and litter on the ground: Before restoration of peatland, litter and litter on the ground need to be removed first; litter and litter on the ground should be removed in early May, that is, in spring Just before the snow melts, before the start of the growing season;

[0036] 2) Spraying herbicides: During the growing season from late May to early June, after the perennial weeds in the restored area have all germinated, spray 0.5% to 1% glyphosate on the germinated weeds, 150ml per mu ~200ml, keep the surface free of water for two weeks after herbicide spraying;

[0037] 3) Land consolidation: After all the weeds are dead, replenish water to the restored land, the water level is 0~5cm, use a rotary tiller to further destroy the weed propagules, and make the surface of the restored land form a mirror field;

[0038] 4) Transplanting of the target species...

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Abstract

The invention discloses a method for effectively controlling and recovering perennial weeds in peat land. The method comprises the following steps of 1) removing overground litter and standing litter;2) spraying herbicide; 3) performing land preparation; 4) transplanting the target species; 5) performing water level management; 6) investigating species; 7) investigating pesticide residues; the method has the beneficial effects that sufficient illumination and space can be provided for germination of perennial weed plants in the growing season, and germination of the perennial weed plants is promoted; input of weed seeds can be reduced; the litters are removed, so that later land restoration and preparation and moss transplanting are facilitated; the herbicide spraying time is proper, andperennial weeds can be effectively and completely killed at a time; propagation of perennial weeds in the peat land can be effectively controlled and recovered, weeds in a recovery area can be reducedby 90% or above through combination of herbicide spraying and high-water-level management, target species form stable dominant communities in a short time, the moss survival rate is 95% or above, andthe method is easy and convenient to operate, low in cost and suitable for application and popularization.

Description

technical field [0001] The invention belongs to the field of peat swamp ecological restoration, in particular to a method for effectively controlling and restoring perennial weeds in peatland. Background technique [0002] As an important type of wetland, peat swamps are mainly distributed in the middle and high latitudes of the northern hemisphere. Its area only accounts for about 3% of the land, but it has nearly 1 / 3 of the carbon storage on the land, and plays an important role in the global carbon cycle. . The formation and development of peat swamps and the accumulation of peat are the result of the combined effects of various natural factors. In general, the combination of humid climate, flat or gently undulating terrain, poorly drained hydrology, lush vegetation, and stable and persistent or slowly sinking tectonic conditions are the factors that are conducive to peat. accumulation of natural conditions. [0003] In recent years, under the dual impact of global cli...

Claims

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Application Information

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IPC IPC(8): A01G22/00A01G13/00A01B79/00
CPCA01G22/00A01G13/00A01B79/00
Inventor 王铭段磊磊王升忠李兴丽王国栋
Owner NORTHEAST NORMAL UNIVERSITY
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