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Method applicable to saline-alkali soil planting afforestation

A technology of saline-alkali land and salt barrier, applied in the field of afforestation and greening, can solve the problems of difficult large-scale promotion and application, increased maintenance costs, and large investment, so as to help tree species grow, reduce surface runoff, and reduce salt content. Effect

Inactive Publication Date: 2016-06-22
NANTONG XINDAO BREEDING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Washing salt with fresh water not only consumes a lot of high-quality water resources, but also increases the amount of drainage engineering and the difficulty of drainage, increasing maintenance costs
In view of the shortage of water resources in our country and the large investment in some saline-alkali land greening technology measures, it is difficult to promote and apply them on a large scale

Method used

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  • Method applicable to saline-alkali soil planting afforestation

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Cooperate with reference figure 1 as shown, figure 1 It is a schematic flow chart of the method for planting and afforesting in saline-alkali land according to the present invention. The present invention is applicable to the method for planting afforestation in saline-alkali land, comprising:

[0022] Step S101 : The saline-alkali land used for planting greening is divided into a plurality of fields, and the height difference of the plurality of fields is controlled within a preset height difference range. Preferably, the saline-alkali land is arranged according to the design requireme...

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Abstract

The invention discloses a method applicable to saline-alkali soil planting afforestation. The method comprises the steps that a piece of saline-alkali soil for planting afforestation is divided into a plurality of parcels of rice field, and the altitude difference of the parcels of rice field is controlled within the preset altitude difference range; land leveling is performed on each parcel of rice field, the local fluctuation altitude height inside each parcel of rice field is controlled within a preset fluctuation altitude difference range, and drainage ditches are dug at preset intervals; straw is adopted for covering each parcel of rice field; a tree pit is dug inside each parcel of rice field, and then a salt isolation layer of the preset thickness is laid inside each tree pit; sapling seedlings are planted into the tree pits, and the tree pits are filled with soil. Land leveling is performed on each parcel of rice field, and direct surface runoff can be reduced, so that rainfall is subjected to relative infiltration and salt-leaching; the straw is adopted for covering the parcels of rice field, so that soil water evaporation can be greatly reduced, the surface runoff of rainwater can be greatly reduced, and it is ensured that rainwater is subjected to uniform downward leaching along the soil profile; the salt isolation layers are laid inside the tree pits, the sapling seedling rhizosphere soil salt content can be effectively lowered, and tree seedling growth is facilitated.

Description

technical field [0001] The invention relates to the technical field of afforestation and greening, in particular to a method suitable for planting and greening in saline-alkali land. Background technique [0002] my country's coastal provinces, municipalities, and autonomous regions have about 18,000 km of coastal areas and island coasts, where various coastal saline soils are widely distributed, with a total area of ​​up to 5×10 6 hm 2 , mainly including Shandong, Hebei, Liaoning and other provinces to the north of the Yangtze River, coastal alluvial plains in the north of Jiangsu, and parts of the coastal areas of Zhejiang, Fujian, and Guangdong provinces to the south of the Yangtze River. my country's eastern coastal areas are economically developed, but the forest coverage is relatively low. The afforestation of saline-alkali tidal flats is the potential of the eastern coastal areas of my country. How to increase the forest coverage in the eastern areas of my country, ...

Claims

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Application Information

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IPC IPC(8): A01G23/00A01B79/02
CPCA01B79/02A01G23/00Y02P60/20Y02P60/40Y02A40/22
Inventor 崔静平
Owner NANTONG XINDAO BREEDING TECH CO LTD
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