Method for preparing lands for afforestation in loess gully regions

A loess gully area and terrain technology, applied in the field of greening, can solve the problems of general water collection and storage capacity of fish scale pits, small number of fish scale pits planted, large soil disturbance, etc., to reduce soil erosion, accelerate forestation speed, strengthen water storage water effect

Inactive Publication Date: 2016-03-23
BEIJING FORESTRY UNIVERSITY
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Problems solved by technology

[0008] 2. The water collection and storage capacity of the fish scale pit is average
Many studies have shown that compared with other land preparation methods (horizontal ditches, horizontal steps, etc.) in the Loess Plateau area including the present invention, although

Method used

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  • Method for preparing lands for afforestation in loess gully regions
  • Method for preparing lands for afforestation in loess gully regions
  • Method for preparing lands for afforestation in loess gully regions

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Embodiment Construction

[0028] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] This specific implementation mode adopts the following technical solutions to realize:

[0030] 1). See figure 1 , choose a relatively flat point on the slope, excavate a semicircular planting hole a with an opening diameter of 1.2m and a depth of 0.8m, and pile the excavated soil on the downhill position of the pit first;

[0031] 2). See figure 2 , build the outer ridge 1 with a vertical height of 0.5m around the planting hole with the soil at the downhill position;

[0032] 3). See Figure 3-4 , backfill the topsoil shoveled from the inner side and upper side of the outer ridge 1 into the pit again, so that the pit forms a re...

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Abstract

The invention discloses a method for preparing lands for afforestation in loess gully regions. The method includes steps of 1), selecting sites with terrain conditions on slope surfaces and excavating a semicircular planting hole a with an opening diameter of 1.2 m and the depth of 0.8 m in each site; 2), enclosing the planting holes by soil at down-slope positions and building outer ridges (1) with the vertical heights of 0.5 m; 3), refilling surface soil shoveled from the inner sides and the upper sides of the outer ridges (1) into pits and forming adverse slopes (2) in the pits; 4), excavating two symmetrical water diversion trenches (3) in the inner sides of two ends of each shaped outer ridge (1); 5), planting a tree plant and a shrub plant or a tree plant and a grass plant in each large fish scale pit. The method has the advantages that water storage capacity can be improved, growth requirements of the plants can be met, soil disturbance and workload can be reduced, soil erosion can be decreased, and the method is suitable for preparing the lands for afforestation in the loess gully regions and terrain broken regions.

Description

technical field [0001] The invention relates to the field of greening technology, in particular to a method for afforestation and land preparation in loess gully areas. Background technique [0002] Fish scale pit (a land preparation method before afforestation in the Loess Plateau area. It can improve the terrain and facilitate planting; increase the soil moisture content near the plants, reduce soil erosion, and improve the survival rate of the plants); mainly used in barren hills and farmland with slopes greater than 25° , Erosion ditch slopes and other parts to improve the topography, suitable for the planting of crops and trees. [0003] The fish scale pits are arranged staggeredly from top to bottom along the slope, two adjacent rows of fish scale pits are arranged in the shape of "pin", and the tree planting holes are arranged like fish scales as a whole. [0004] Each fish scale pit excavates a semicircular planting hole with a diameter of 60-80cm (usually 80cm in t...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G17/00
CPCA01B79/02A01G17/005Y02A40/22Y02P60/20Y02P60/40
Inventor 不公告发明人
Owner BEIJING FORESTRY UNIVERSITY
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