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A Comprehensive Improvement Method for Saline Soil

A saline soil and soil technology, applied in the field of soil preparation methods, applications, agricultural machinery and tools, etc., can solve problems such as poor physical properties of water, insufficient organic fertilizer sources, and loss of land nutrients, so as to shorten the improvement time and repair time , the effect of producing economic benefits

Inactive Publication Date: 2016-09-07
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the saline soil in the coastal saline-alkali land has the following difficulties in restoration: 1) Due to the influence of seawater jacking and backflow, the groundwater level is difficult to control; 2) The land formation and land reclamation time is short, and the soil salinity is serious; 3) The soil Secondary salinization is serious; 4) Lack of fresh water resources, insufficient sources of flushing and drainage salt water; 5) Strong gleization of soil, poor physical properties of water; 6) Soil rich in nutrients and less organic fertilizer sources
[0011] The patent with the publication number 102388730A "A method for planting Suaeda saline by drip irrigation in heavy saline-alkali land in arid areas", however, this method is not suitable for the restoration of saline soil in coastal saline-alkali land, mainly because the drip irrigation salt goes with the water while Nutrients in the already barren land are also lost without nutrient supplementation; "one tube, one line" requires a large amount of capillary drip irrigation, which is a waste of resources; vegetables are not picked, and no economic benefits are produced
[0012] Application No. 201310407151.4, the patent titled "A Method for Accelerating the Natural Desalination Speed ​​of Coastal Dredging Fill Soil and Improving Soil Quality", has a slope for site preparation, but does not combine drip irrigation and micro-spraying for comprehensive improvement, and the improvement takes a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A comprehensive improvement method for saline soil, comprising the steps of:

[0038] S1, fertilization: add organic mineral fertilizer 200kg per mu, organic mineral fertilizer composition is: humic acid 10 weight parts, chicken manure 100 weight parts, calcium superphosphate 20 weight parts, ammonium sulfate 15 weight parts;

[0039] S2. Soil preparation: dig low and fill high, turn the fertilizer into the soil plow layer. Create an arc-shaped gentle slope every 5 meters, with a slope of 1%. An open ditch is excavated between the bottoms of the adjacent arc-shaped gentle slopes. The width of the ditch is 0.5 meters, the depth is 0.3 meters, and the longitudinal slope of the open ditch is 0.5%, so that the salt water can be discharged ;

[0040] S3, pipe laying irrigation: the slope top of the arc-shaped gentle slope is laid with a rotating micro-spray nozzle, and the spray radius is adjusted to 0.1 meters according to the pressure, and then permeable irrigation is car...

Embodiment 2

[0047] A comprehensive improvement method for saline soil, comprising the steps of:

[0048] S1, fertilization: add organic mineral fertilizer 250kg per mu, 15 parts by weight of humic acid, 110 parts by weight of chicken manure, 23 parts by weight of superphosphate, 18 parts by weight of ammonium sulfate;

[0049] S2. Soil preparation: dig low and fill high, turn the fertilizer into the soil plow layer. Create an arc-shaped gentle slope every 8 meters, with a slope of 4%. An open ditch is excavated between the bottoms of the adjacent arc-shaped gentle slopes. The width of the ditch is 0.8 m, the depth is 0.4 m, and the longitudinal slope of the open ditch is 1.5%, so that the salt water can be discharged ;

[0050] S3, pipe laying irrigation: the slope top of the arc-shaped gentle slope is laid with a rotating micro-sprinkler, with a spray radius of 1.0 meters, and then permeable irrigation is carried out;

[0051] S4, sowing Suaeda salsa: sowing in early March, 1.3kg of se...

Embodiment 3

[0057] A comprehensive improvement method for saline soil, comprising the steps of:

[0058] S1, fertilization: add 300kg of organic mineral fertilizers per mu, 20 parts by weight of humic acid, 120 parts by weight of chicken manure, 25 parts by weight of superphosphate, and 20 parts by weight of ammonium sulfate;

[0059] S2. Soil preparation: dig low and fill high, turn the fertilizer into the soil plow layer. Create an arc-shaped gentle slope every 10 meters with a slope of 6%. An open ditch is excavated between the bottoms of the adjacent arc-shaped gentle slopes. The width of the ditch is 1 m, the depth is 0.5 m, and the longitudinal slope of the open ditch is 3% to facilitate the discharge of salt water. ;

[0060] S3, pipe laying irrigation: the slope top of the arc-shaped gentle slope is laid with a rotating micro-sprinkler, and the spray radius is adjusted to 0.1-1.5 meters according to the pressure, and then permeable irrigation is carried out;

[0061] S4, sowing ...

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PUM

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Abstract

A comprehensive improvement method for salinized soil includes S1, applying fertilizer; S2, performing soil preparation, namely building an arc-shaped gentle slope every 5-10 meters and digging an open trench between bottoms of every two arc-shaped gentle slopes; S3, laying pipes and irrigating, namely laying rotating micro sprinklers at the tops of the arc-shaped gentle slopes; S4, sowing suaeda salsa; S5, irrigating; S6, picking vegetables; S7, transplanting plants from late October to early November after seeds of the plants are mature and part of the seeds fall off. The comprehensive improvement method has the advantages that the salinized soil of coastal saline and alkaline land can be restored pointedly, improvement time can be shortened, and economic benefit can be achieved.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land improvement, in particular to a comprehensive improvement method for saline soil. Background technique [0002] At present, the continuous deterioration of the ecological environment and people's unreasonable land development and utilization have led to the increasingly serious salinization of the soil, which has become a worldwide problem. The problem of soil salinization is a major problem that plagues the world's agricultural production. How to develop and utilize saline-alkali land resources and improve the use effect of saline-alkali land has aroused people's great attention. [0003] Due to the differences in environmental factors such as bioclimate in the distribution area of ​​saline soil, the area of ​​saline soil, the degree of salinization and the composition of salinity are obviously different in different regions, which can be roughly divided into the following areas. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
Inventor 王胜时彦平尹金珠荆瑞英丁雪梅吴伟斌
Owner SHANDONG SUNWAY LANDSCAPE TECH
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