Ecological improving method of saline-alkali soil vine crown artificial community

A saline-alkali land, artificial technology, applied in land preparation methods, botanical equipment and methods, planting substrates, etc., can solve the problems of low soil organic matter content, aggravated salinity, and high investment, and achieve low cost, low investment, and significant economic benefits. Effect

Inactive Publication Date: 2017-05-10
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the problems of high investment in existing saline-alkali land improvement methods, increased salinity after vegetation degradation, low soil organic matter content, and poor fertility, and provides an artificial community ecological improvement method for saline-alkali land

Method used

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  • Ecological improving method of saline-alkali soil vine crown artificial community

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specific Embodiment approach 1

[0026] Specific implementation mode one: the ecological improvement method of vine canopy artificial community in saline-alkali land of the present embodiment comprises the following steps:

[0027] 1. Leveling of saline-alkali land

[0028] Use a tractor to level the saline-alkali land, and the land preparation standard is that the relative ground height difference within 1 mu is less than 5cm;

[0029] 2. Digging the planting ditch

[0030] Dig planting ditches on the flat saline-alkali land, and the distance between the planting ditches is 4-10m;

[0031] 3. Straw and salt barrier layer

[0032] Put the straw into the bottom of the planting ditch, the thickness of the straw layer is 10-12cm;

[0033] 4. Fill nutrient soil

[0034] Fill the nutrient soil into the planting ditch with plant stalks. The nutrient soil is uniformly mixed with sandy soil, woodland humus soil and farmyard manure at a volume ratio of 4:4:2. Fill the nutrient soil until it is 25-30 cm above the g...

specific Embodiment approach 2

[0039] Embodiment 2: This embodiment differs from Embodiment 1 in that: the width of the planting ditch described in step 2 is 80-100 cm, and the depth is 70-90 cm. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0040] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the distance between the planting grooves in Step 2 is 6-8 m. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses an ecological improving method of a saline-alkali soil vine crown artificial community, relates to an ecological improving method in saline-alkali soil, and aims at solving the problems in the existing saline-alkali soil improving method that the investment is high, the salinization aggravates after vegetation degradation, the soil is low in organic matter content, and the fertility is poor. The method comprises the steps of leveling the saline-alkali soil; 2, digging field planting furrows; 3, stacking up straw salt isolation layers at the bottoms of the field planting furrows; 4, filling nutrient soil; 5, transplanting perennial lianas; 6, building a liana climbing frame. According to the ecological improving method of the saline-alkali soil vine crown artificial community, by the utilization of the unique superiority that the lianas are small in floor area and the characteristic of the root system of the lianas, saline-alkali soil microzone soil is improved, a saline-alkali soil artificial community is built, and after the community is built, the crown closing role is played to reduce soil surface evaporation. Meanwhile, the withered branches and fallen leaves promote the organic matter to return to the field, and thus the saline-alkali soil is gradually improved instead of being directly improved. The ecological improving method of the saline-alkali soil vine crown artificial community is used for improvement of the saline-alkali soil.

Description

technical field [0001] The invention relates to a method for improving the ecology of saline-alkali land. Background technique [0002] Saline-alkali land is a type of land degradation. Land salinization is a worldwide obstacle to agricultural production and ecological construction. The traditional measures of water conservancy engineering and chemical improvement for saline-alkali land improvement aim to remove the salt from the soil by lowering the groundwater level, leaching and ion exchange, so as to improve the saline-alkali land. These methods directly targeting soil salinity require a large amount of engineering, high input costs, and there are risks of secondary salinization and environmental pollution, and soil nutrients still need to rely mainly on the addition of chemical fertilizers, which are not environmentally friendly, and farmers are willing to invest spontaneously not tall. The common problems in these methods are: 1. It is necessary to improve all the s...

Claims

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Application Information

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IPC IPC(8): A01G17/02A01G17/00A01G17/06A01G9/10A01B79/02
CPCA01G17/02A01B79/02A01G17/005A01G17/06A01G24/00
Inventor 杨帆王志春安丰华杨洪涛朱文东冯耀宗
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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