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Method for controlling spreading of cattail plants in a carex marsh wetland

A technology of cattails and wetlands, applied in botany equipment and methods, soil preparation methods, gardening methods, etc., can solve the problem that the expansion of cattail plants cannot be effectively controlled

Inactive Publication Date: 2018-12-21
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the expansion of cattail plants in sedge swamp wetlands cannot be effectively controlled, and a method for controlling the expansion of cattail plants in sedge swamp wetlands is provided

Method used

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0015] Specific implementation mode one: a kind of method of controlling cattail plant expansion in the sedge marsh wetland of this embodiment, carries out according to the following steps:

[0016] 1. Clear litter and litter on the ground: From late April to early May, remove litter and dry litter on the ground;

[0017] 2. Harvest the cattail plants: from late June to early July, harvest the clonal ramets of the cattail plants in the growth period;

[0018] 3. Manual application of herbicides to the regenerated cattail plants: after the harvest of the cattail plant clone ramets in the growth period, the herbicides are applied to the regenerated cattail plants;

[0019] 4. Wetland water level control: control the water level of sedge marsh wetland.

[0020] From late April to June, which is the beginning of the cattail growing season; from late June to early July, the female flower spikes of cattails are lime green, while the male flower spikes are dark green.

[0021] The ...

specific Embodiment approach 2

[0026] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the method for removing the litter on the ground and the dead thing on the ground in step one is: use a sickle to cut the dry dead thing of cattails formed in the previous year evenly on the ground, Remove the wet area after collection; collect the litter on the fallen cattails and remove the wet area. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0027] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the method of applying herbicide in step 3 is: first put on rubber gloves to prevent the arms from touching the herbicide, and then pour the herbicide on the cloth glove , put the wet cloth glove on the rubber glove, then grasp the lower part of the regenerated cattail plant with your hands, and then slide it to the upper part to ensure that both sides of the cattail plant are covered with herbicide. Others are the same as in the first or second embodiment.

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Abstract

The invention relates to a method for controlling spreading of cattail plants in a carex marsh wetland. The method aims to solve the problem that spreading of the cattail plants in the carex marsh wetland can not be effectively controlled. The method includes the following steps that litter and standing litter on the ground are removed; 2, the cattail plants are harvested; 3, herbicides are applied manually to regenerated cattail plants; 4, the water level of the wetland is controlled. The method can effectively control the spreading of the cattail plants in the carex marsh wetland. After thefirst year of implementation of the method, the number of the cattail plants can be reduced by more than 83%, and the coverage of carex can reach 45% or above. After the second year of implementationof the method, the number of the cattail plants can be reduced by more than 95%, and the coverage of carex can reach 45% or above. The method is applied to the field of controlling the spreading of cattail plants.

Description

technical field [0001] The present invention relates to a method for controlling the expansion of cattail plants in sedge marsh wetlands. Background technique [0002] Carex swamp, as one of the most typical herbaceous swamp wetland types in my country, has unique species composition and rich biodiversity. As an occasional species, cattail plants are very rare in typical sedge marsh wetlands, and rarely form large single-optimal communities. In the past half a century, under the background of large-scale agricultural activities, the invasion and large-scale expansion of cattail plants have occurred in some of the remaining sedge swamps in my country, which seriously threatens the health and stability of the swamp wetland ecosystem. In the concentrated distribution area of ​​sedge swamps in Northeast China, the expansion of cattail plants has caused changes in the structure and process of swamp ecosystems, resulting in the reduction of species abundance and biodiversity in s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G7/06
CPCA01B79/02A01G7/06
Inventor 王国栋刘洪超姚艳玲王铭姜明吕宪国
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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