Soil improvement method for saline-alkali soil

A technology for soil improvement and saline-alkali land, applied in the field of soil improvement, can solve the problems of small water consumption and the reduction of salt content in the surface layer of saline-alkali land, and achieve the effects of accelerating the decomposition speed, consolidating the improvement effect, and accelerating the decomposition rate

Active Publication Date: 2014-12-17
HUIZHOU DONGJIANG LANDSCAPE ENG
View PDF8 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The salt pressure method is to use natural precipitation or artificial flood irrigation to make part of the saline and alkali penetrate downward along the pores and cracks of the soil, and bring the salinity of the surface soil to the bottom layer with the water. Although ...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Soil improvement method for saline-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Attached below figure 1 The present invention is described in detail with examples.

[0026] In this embodiment, two typical coastal saline-alkali lands in Huidong County along the coast of Huizhou City are selected, marked as A and B, wherein A has an area of ​​12 mu, which is a land for greening in a real estate development sea view housing complex; B has an area of ​​15 mu, which is a A typical coastal high-saline wasteland, almost no grass grows. The soil data measured before the experiment are as follows A and B in Table 1.

[0027] Land A goes through six steps of bulldozing, pipe burying, stone paving, manure covering, leveling soil, and alkali washing in sequence. The thickness of the crushed stone layer 1 is about 7cm, the thickness of the organic fertilizer layer is about 6cm, and the pipeline system 4 is in a small square shape. Type grid laying, the area of ​​each square grid is 1 square meter, the diameter of the inner wall of the pipe is 5cm, the seepage...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Thicknessaaaaaaaaaa
Diameteraaaaaaaaaa
Login to view more

Abstract

The invention relates to a soil improvement method for saline-alkali soil. The method is characterized by comprising the following processing steps: bulldozing, i.e. shoving soil on the surface of the saline-alkali soil which needs to be improved; pipe laying, i.e. laying leaky pipeline systems on the ground of which the surface soil is shoved; stone laying, i.e. laying a broken stone layer in gaps between the pipeline systems; fertilizer covering, i.e. covering an organic fertilizer layer on the cobblestone layer; soil leveling, i.e. raking the surface soil in the bulldozing step broken and then covering the organic fertilizer layer with the broken surface soil; alkali washing, i.e. wetting the surface soil with water or aqueous solution to wash out excessive saline-alkali substances in the soil. The broken stone layer in the soil improvement method cuts off salt conveying from soil capillary water to the ground surface, takes a good salt accumulation prevention effect after washing out alkali and is beneficial to durability and stability of improving the saline-alkali soil; moreover, microbiological degradation of the organic fertilizer also can reduce alkalinity of the soil; the method can be used for comprehensively treating the saline-alkali soil.

Description

technical field [0001] The invention relates to the field of soil improvement, in particular to a soil improvement method for saline-alkali land. Background technique [0002] Saline-alkali land is a type of salt accumulation, which means that the salt contained in the soil affects the normal growth of crops. According to the incomplete statistics of UNESCO and FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which my country is the largest 99.13 million hectares. The formation of alkaline soil and alkalized soil in my country is mostly related to the accumulation of carbonate in the soil, so the degree of alkalization is generally high, and plants in severe saline-alkali soil areas can hardly survive. At present, domestic treatment methods for saline-alkali land generally include salt discharge method and salt pressure method, etc., but they all have shortcomings. The amount of salt is reduced. The salt pressure method is to use natural pr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A01B77/00A01B79/02
Inventor 谢天寿
Owner HUIZHOU DONGJIANG LANDSCAPE ENG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap