Method for recovering three-river bulrush wet land from degeneration saline-alkali soil in west of Jilin

A technology of saline-alkali land and weed grass, which is applied in the field of ecological engineering, can solve the problems of low vegetation survival rate, slow recovery, and inability to recover, and achieve the effects of reducing costs, improving efficiency, and speeding up the process of vegetation recovery

Active Publication Date: 2016-07-06
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the vegetation survival rate is low in the restoration of degraded saline-alkali land into wetlan

Method used

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  • Method for recovering three-river bulrush wet land from degeneration saline-alkali soil in west of Jilin

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specific Embodiment approach 1

[0019] Specific implementation mode 1: This implementation mode is a method for restoring the degraded saline-alkali land in western Jilin to Sanjiang weed wetland, which is completed according to the following steps:

[0020] 1. Land consolidation: take the degraded saline-alkali land in western Jilin as the planting area, clear the weeds in the planting area, level the surface, and then inject water to keep the soil moisture saturated, and obtain the degraded saline-alkali land in western Jilin to be planted;

[0021] 2. Provenance collection: In the first ten days of April, in the distribution area of ​​Momoge Sanjiang grass in western Jilin, we collected Sanjiang grass bulbs, kept them moist, and obtained the Sanjiang grass bulbs to be planted;

[0022] 3. Sowing: According to the buried depth of 2cm ~ 8cm and the sowing density of 50 / m 2 , plant the corms to be planted to be planted in step 2 obtained in step 1 in the degraded saline-alkali land in western Jilin to be pla...

specific Embodiment approach 2

[0026] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in step 3, be 2cm and sowing density be 50 / m by buried depth 2 , plant the corms to be planted to be planted in step 2 obtained in step 1 in the degraded saline-alkali land in western Jilin to be planted in step 1, and it is required to complete the sowing within 5 days after the corms to be planted in step 2 to obtain Jilin after sowing Degraded saline-alkali land in the west. Others are the same as the first embodiment.

specific Embodiment approach 3

[0027] Specific embodiment three: the difference between this embodiment and specific embodiment one is: in step 3, be 4cm and sowing density be 50 / m by buried depth 2 , plant the corms to be planted to be planted in step 2 obtained in step 1 in the degraded saline-alkali land in western Jilin to be planted in step 1, and it is required to complete the sowing within 5 days after the corms to be planted in step 2 to obtain Jilin after sowing Degraded saline-alkali land in the west. Others are the same as the first embodiment.

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Abstract

The invention discloses a method for recovering a three-river bulrush wet land from degeneration saline-alkali soil in west of Jilin, belongs to the technical field of ecological engineering, particularly relates to a method for recovering a wet land from degeneration saline-alkali soil, and aims at solving the problems that according to an existing method for recovering a wet land from degeneration saline-alkali soil, due to the fact that the survival rate of vegetation is low, recovering is slow, and even recovering can not be achieved. The method comprises the first step of land consolidation, the second step of seed collection so as to obtain three-river bulrush corms to be planted, the third step of sowing, the fourth step of hydrology management, and the fifth step of plant monitoring so as to guarantee that the density of the three-river bulrush corms ranges from 10 per square meter to 20 per square meter, and the degeneration saline-alkali soil in west of Jilin is recovered to form the three-river bulrush wet land. The method is mainly used for recovering the three-river bulrush wet land from the degeneration saline-alkali soil in west of Jilin.

Description

technical field [0001] The invention belongs to the technical field of ecological engineering, and in particular relates to a method for restoring degraded saline-alkali land into wetland. Background technique [0002] Wetland ecosystems are among the most biologically diverse ecosystems. Wetland plants not only provide food sources for wild animals, but also provide services for their reproduction, nesting, avoiding predators and other activities, which are of great significance to maintaining wetland biodiversity. Due to the impact of climate change and human activities, the wetland area has been greatly reduced, and the wetland vegetation has been seriously degraded, which seriously threatens the survival and reproduction of wetland organisms. Therefore, protecting and rebuilding wetland vegetation is of great significance for improving wetland ecological functions and maintaining wetland biodiversity. [0003] Wetland plants, such as the underground bulbs of Scirpus ma...

Claims

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Application Information

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IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 刘波佟守正姜明张文广武海涛吕宪国
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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