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Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas

A technology of amorpha and hedgerows, which can be used in application, cultivation, agriculture and other directions, and can solve the problems of polluted water quality and eutrophication of water body.

Inactive Publication Date: 2020-04-24
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Another direct consequence of soil erosion is water pollution and eutrophication

Method used

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  • Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas
  • Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas

Examples

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Embodiment 1

[0017] Example 1: A method for building hedgerows of Amorpha fruticosa in mountainous and hilly water sources

[0018] (1) Land preparation: carry out land preparation and classify the forestation land, loosen the soil and weed, remove non-target tree species, and leave space for the construction of hedgerows. The modulus and the condition of Amorpha fragrans seedlings determine the number of hedgerow rows in different parts of the mountain, among which 3-4 rows are planted on the top of the slope, 2-3 rows are planted on the middle slope, and 1 row is planted on the gentle slope. Single row is used for row-shaped soil preparation, and multiple rows are used for key holes Soil preparation.

[0019] (2) Hedge construction: During the afforestation season, select healthy and high-quality Amorpha fruticosa seedlings, and plant them in sections along the vertical direction of the runoff, from high to low, and contour lines. The method of plant hedge construction is: Amorpha fruti...

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Abstract

The invention discloses an Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas, and belongs to the technical field of non-point source pollution prevention and treatment and ecological engineering. The method comprises the following process steps: (1) land preparation: performing land preparation on an afforestation land and performing classification andsoil-loosening and weeding on the afforestation land, removing non-target tree species, and leaving a space for plant hedge construction; (2) plant hedge construction: during an afforestation season,choosing healthily-growing and high-quality Amorpha fruticosa seedlings, and planting the seedlings in a contour line segmentation manner from high to low along the direction perpendicular to the runoff; and (3) operation and management: performing tip-cutting and pruning on large Amorpha fruticosa seedlings, performing root repairing and mud soaking before planting, and performing water and fertilizer management, seedling protection, young forest management, and diseases and insect pests prevention and treatment after planting. The Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas is rational in design, the Amorpha fruticosa plant hedge constructed by the method is conducive to intercepting pollutants, protecting the water environment of watersource areas, and effectively preventing and treating non-point source pollutions in the mountainous and hilly water source areas.

Description

technical field [0001] The invention belongs to the technical fields of prevention and control of non-point source pollution and ecological engineering, and in particular relates to a method for building hedgerows of amorpha fruticosa in hilly water sources. Background technique [0002] The country's existing soil erosion area is 3.67 million km 2 , accounting for 38.2% of the country's land area, of which the hydraulic erosion area accounts for 49%. my country loses 50×10 soil every year 8 t, lost 1t of soil contains 2.55 kg of nitrogen, 1.53 kg of phosphorus, and 5.42 kg of potassium. Soil erosion degrades the ecological environment, reduces land productivity, reduces cultivated land, silts up rivers, lakes and reservoirs, aggravates droughts and floods, and mountain disasters, directly threatening the safety of life and property in cities and villages. Another direct consequence of soil erosion is water pollution and eutrophication. [0003] N-fixing hedgerow is a k...

Claims

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Application Information

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IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 张建锋孙士咏王荣嘉陈光才张涵丹汪庆兵潘春霞
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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