Soil, plant and biological stabilizing method of agricultural watershed riparian zone side slope

A bio-stabilization and riparian zone technology, applied in the direction of sustainable biological treatment, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problem that agricultural films and non-woven fabrics are not suitable for decomposition, anti-scouring, slipping, and slumping capabilities. Changes in the natural performance of slopes, etc., to reduce rainwater splash erosion, reduce slope landslides, and improve soil fertility

Active Publication Date: 2015-07-08
CHENGBANG ECO ENVIRONMENT CO LTD
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AI Technical Summary

Problems solved by technology

However, after the vegetation has survived, the discarded agricultural films and non-woven fabrics are not suitable for decomposition in nature, which will cause secondary pollution to the environment
[0007] At present, the existing ecological slope protection technologies are mainly divided into two categories, one is plant-engineering measures composite slope protection, this type of technology usually uses concrete, sandstone, and cement engineering as the matrix, and the landscape effect is better, but the natural slope of the slope The performance has been completely changed, and its proper habitat, source and sink, and pollution prevention and control capabilities are all limited or lost, and this type of technology is also mainly used in urban river sections; Natural landscape, but the ability of anti-scouring, sliding and collapse is limited, and the cost of manual maintenance is relatively high

Method used

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  • Soil, plant and biological stabilizing method of agricultural watershed riparian zone side slope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A 1,000-meter-long riverside slope soil-plant-biological stabilization technology restoration area was established in the section of the Liaohe River Reserve in Shuang'an Bridge, Tieling City. Through tracking and observation, the effect is good.

[0027] The width of the embankment area is set to 12 meters. Starting from near the river, 3 rows of annual willow willows are planted along the parallel direction of the river bank, with a row spacing of 1 m and a plant spacing of 0.8 m. Then, 3 rows of annual Amorpha fruticosa are planted. 1m, the distance between plants is 1m, and 2 groups of willow bark and 2 groups of Amorpha fruticosa were planted in turn. The lower layer of the shrub planting area is mixed with herbaceous plants corolla, alfalfa and sweet rhinoceros in equal proportions, and the canopy density is 100%.

[0028] The slope protection area is 4 meters long and has an inclination of 45°. It is built from the embankment area to the constant water level area...

Embodiment 2

[0033] In the Xiushui River section of the Liaohe River Reserve, a soil-plant-biological stabilization technology restoration area of ​​500 meters will be established on the bank slope, and the width of the embankment area will be set at 10 meters. Starting from the place close to the river, 3 rows of annual willow willows will be planted along the parallel direction of the river bank. Then plant 3 rows of annual Amorpha fruticosa with a row spacing of 1 m and a plant-to-plant spacing of 1 m, and then plant 2 groups of Amorpha fruticosa and 1 group of Amorpha fruticosa in turn. In the lower layer of the shrub planting area, the herbaceous plants corolla, ryegrass, and sweet rhinoceros are mixed in equal proportions, and the canopy density is 100%.

[0034] The slope protection area is 3 meters long and has an inclination of 30°. It is built from the embankment area to the constant water level area to form a stepped slope protection belt connected by three small slopes and two s...

Embodiment 3

[0038] This embodiment 3 is implemented under the following conditions of implementation and technical requirements:

[0039] In the Shifosi section of the Liaohe River Reserve, a soil-plant-biological stabilization technology recovery area of ​​500 meters will be established on the river bank slope, and the width of the embankment area will be set at 15 meters.

[0040] In the Xiushui River section of the Liaohe River Reserve, a soil-plant-biological stabilization technology restoration area of ​​500 meters will be established on the bank slope, and the width of the embankment area will be set at 15 meters. Starting from the place close to the river, 3 rows of annual willow willows will be planted along the parallel direction of the river bank. Then plant 3 rows of annual Amorpha fruticosa with a row spacing of 1 m and a plant-to-plant spacing of 1 m, and plant 3 groups of Amorpha fruticosa and 2 groups of Amorpha fruticosa in turn. The lower layer of the shrub planting area ...

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Abstract

The invention relates to stabilizing methods of the ecological agriculture, particularly to a soil, plant and biological stabilizing method of an agricultural watershed riparian zone side slope. The soil, plant and biological stabilizing method comprises starting from a position close to a river way to plant three rows of annual Salix integra and planting three rows of annual Amorpha fruticosa along the direction parallel to a river bank after artificial leveling and performing cross planting on the Salix integra and the Amorpha fruticosa according to the order in turn; performing artificial trimming on a side slope protection zone and setting the integral side slope protection section into a step-shaped structure in which three small side slopes are connected with two small platforms; protecting the small side slopes of the side slope protection section through polypropylene non-woven fabrics, laying the non-woven fabrics on the small side slopes, fixing the top end and the bottom of every small side slope through rivets respectively and performing vegetation cutting in the middle of every small side slope; performing Salix integra cutting on every small side slope of the side slope protection section and performing cutting in the middle of each small platform of the side slope protection section through a row of Amorpha fruticosa. According to the soil, plant and biological stabilizing method of the agricultural watershed riparian zone side slope, the artificial disturbance is less, the cost is low, the recovery is rapid, the effect is good, the soil, the close-to-natural-landscape effect is achieved, and the artificial maintenance is not required by the later period of ecological slope protection and pollution control.

Description

technical field [0001] The invention relates to a method for stabilizing ecological agriculture, in particular to a method for stabilizing soil-plant-biology on the bank slope of an agricultural watershed. Background technique [0002] The riparian zone is an ecological ecotone between rivers and land, and plays an important role in regulating climate, maintaining water and soil, and preventing floods. A healthy riparian ecosystem should have good elasticity and strong stability. The goal of river ecological slope protection is to rebuild the damaged riverbank ecosystem, restore its stability and ecological functions such as slope reinforcement, sewage interception and habitat. For a long time, there have been many researches on the ecological slope protection technology of urban rivers, while the river ecological restoration in agricultural watersheds and the ecological slope protection technology suitable for agricultural areas have been ignored. [0003] Agricultura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/12C02F3/32
CPCY02W10/10
Inventor 张鸿龄马国峰孙丽娜
Owner CHENGBANG ECO ENVIRONMENT CO LTD
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