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Side slope afforestation method for water diversion open ditch in arid area

A technology for arid areas and slopes, applied in the fields of soil preparation methods, botanical equipment and methods, climate change adaptation, etc., can solve problems such as poor ecological environment, unsustainable, and difficult vegetation restoration by grass species

Active Publication Date: 2016-07-13
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in arid and semi-arid desert areas, the ecological environment is harsh, and it is difficult for these technologies and grass species to achieve vegetation restoration and sustainable development.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Slope fixed rope net:

[0026] a. First level the soil slope, and then flatten the slope with a grass rope net, and use 11-type iron wire to hold it into a U shape, and fix the grass rope net on the slope. The thickness of the grass rope is 2cm, and the mesh is 15cm;

[0027] Preparation for planting on slopes:

[0028] b. On the slope where the grass rope net is laid, along the contour line of the slope, prepare before planting according to the row spacing of 30cm and the hole spacing of 30cm. , to form a planting hole, then mix the peat soil and diammonium at a volume ratio of 10:1, fill it into the planting hole, and make sure that the peat soil surface is 1.5cm lower than the slope plane;

[0029] sowing:

[0030] c. Select the seeds of the local annual plants halophyte and pearl scallops; the seeds of the perennial plants Samara Overlord, Pipachai and Nitraria siberia; Mix the same volume for later use. Before sowing in autumn or spring, use a small hoe to draw ...

Embodiment 2

[0038] Slope fixed rope net:

[0039] a. First level the soil slope, and then flatten the slope with a grass rope net, and use 11-type iron wire to hold it into a U shape, and fix the grass rope net on the slope. The thickness of the grass rope is 2cm, and the mesh is 15cm;

[0040] Preparation for planting on slopes:

[0041] b. On the slope where the grass rope net is laid, along the contour line of the slope, prepare for planting according to the row spacing of 30cm and the hole spacing of 30cm. , to form a planting hole, then mix the peat soil and diammonium at a volume ratio of 10:1, fill it into the planting hole, and make sure that the peat soil surface is 2cm lower than the slope plane;

[0042] sowing:

[0043]C, select the seed of native annual plant Prunus chinensis respectively; The seed of perennial plant quinoa chinensis, horsetail salt and Artemisia annua; The seed of ephemeral plant silique is mixed for subsequent use, before sowing in autumn or spring, Firs...

Embodiment 3

[0051] Slope fixed rope net:

[0052] a. First level the soil slope, and then flatten the slope with a grass rope net, and use 11-type iron wire to hold it into a U shape, and fix the grass rope net on the slope. The thickness of the grass rope is 2cm, and the mesh is 15cm;

[0053] Preparation for planting on slopes:

[0054] b. On the slope where the grass rope net is laid, along the contour line of the slope, prepare before planting according to the row spacing of 30cm and the hole spacing of 30cm. Use a seam planting shovel to penetrate the soil 50cm, and shake the seam planting shovel to make the seam width reach 20cm , form a planting hole, then mix the peat soil and diammonium at a volume ratio of 10:1, fill it into the planting hole, and make sure that the peat soil surface is 1.5-3cm lower than the slope plane;

[0055] sowing:

[0056] c, select the seeds of local annual plants Suaeda brittle and quinoa respectively; the seeds of perennial plants Samara and camel's...

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Abstract

The invention relates to a side slope afforestation method for a water diversion open ditch in an arid area. The method comprises the following steps of: covering a side slope with a rope net, slotting with a crack-transplanting shovel according to a contour line, compactly filling nutrient soil to form planting holes, planting native shrub and herbaceous plants in the planting holes in a hybrid manner, performing artificial water supplementation through a micro spraying pipe, performing continuous rope net fixing, seed supplementation and water supplementation management for 1 to 3 years, and gradually carrying out afforestation to increase the coverage, wherein with weathering of straw rope fibers and formation of dry branches and fallen leaves as well as biological crusts, a lower cushion surface of a seed library is formed on the slope, and protogenetic short-life, annual and perennial plants can grow on the slope gradually under natural conditions to form a green coverage surface, so that sustainable vegetation coverage on the slope in spite of time and space is finished. The method disclosed by the invention is capable of overcoming the defects of engineering measures, the afforestation difficulty of the arid area under extreme weather environments is solved, and water and soil loss from the slope is prevented by taking vegetation measures; a technical support is provided for water and soil retention and ecological afforestation of the long-distance water diversion open ditch in the arid area.

Description

technical field [0001] The invention belongs to the field of ecological planting, and relates to a method for afforesting native vegetation and preventing water and soil loss on the side slope of an open water diversion channel in an arid area. Background technique [0002] The water diversion open channel project constructed in the hinterland of the Gurbantunggut Desert will inevitably cause surface disturbance and vegetation damage. The channel line passes through river valley landforms, denuded plains, alluvial plains, wind-eroded castles and low hills from east to west. Five different landform units, along the canal line are desert and semi-desert landscapes, with sparse vegetation, mainly xerophytic and halophytic vegetation, with short-lived plants, annual and perennial drought-tolerant and barren-tolerant plants, covering 10-15%. After the establishment of the mechanical protection system for water and soil conservation on the slope of the water diversion channel, the...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01B79/02
CPCA01B79/02A01G22/00Y02A40/22Y02P60/20Y02P60/40
Inventor 张科李中邵吴国华赵振勇田长彦杨朋朋石秋梅张福海王培
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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