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Root salt control method with perlite percolation layer and application of root salt control method with perlite percolation layer to planting acer mono in saline-alkali land

A percolation layer and perlite technology, which is applied in the field of agricultural utilization, can solve the problems of poor improvement of soil physical and chemical properties, poor adjustment of soil ion concentration, and poor control of the suitable growth range of plants due to soil salinity. , to achieve good improvement effect and high safety effect

Inactive Publication Date: 2016-11-16
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. The effect of improving the physical and chemical properties of soil in saline-alkali land is poor;
[0007] 2. The salt content in the soil cannot be well controlled within the range suitable for plant growth;
[0008] 3. Poor adjustment effect on the concentration of soil ions in saline-alkali land

Method used

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  • Root salt control method with perlite percolation layer and application of root salt control method with perlite percolation layer to planting acer mono in saline-alkali land
  • Root salt control method with perlite percolation layer and application of root salt control method with perlite percolation layer to planting acer mono in saline-alkali land
  • Root salt control method with perlite percolation layer and application of root salt control method with perlite percolation layer to planting acer mono in saline-alkali land

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 A root salt control method using perlite percolation layer

[0037] Step 1 Selection of saline-alkali land

[0038] The moisture content of the soil in the selected saline-alkali land is 12.1-15.2%, the total porosity of the soil is 34.2-40.7%, the pH value of the soil is 8.1-9.2, the salt content of the soil is 0.68-0.81%, and the bulk density of the soil is 1.43 ~1.51g / cm 3 , Cl - The content is 3.76g / kg, Na + The content is 2.12g / kg.

[0039] Step 2 Excavate the saline-alkali land for planting

[0040] Dig the planting soil to a depth of 148cm, compact the bottom, lay an impermeable membrane on the bottom, and build a waterproof retaining wall around it.

[0041] Step 3 Laying the salt drainage layer

[0042] Concealed pipes are buried at the bottom of the excavated planting ground. The hidden pipes are made of 110 diameter PVC perforated corrugated pipes, the thickness of the outer sand filter material is not less than 8 cm, the gradient is 0.5‰, an...

Embodiment 2

[0054] Embodiment 2 A kind of root salt control method that adopts perlite percolation layer

[0055] Step 1 Selection of saline-alkali land

[0056] The moisture content of the soil in the selected saline-alkali land is 12.1-15.2%, the total porosity of the soil is 34.2-40.7%, the pH value of the soil is 8.1-9.2, the salt content of the soil is 0.68-0.81%, and the bulk density of the soil is 1.43 ~1.51g / cm3, the content of Cl- is 3.76g / kg, and the content of Na+ is 2.12g / kg.

[0057] Step 2 Excavate the saline-alkali land for planting

[0058] Dig the planting soil to a depth of 153cm, compact the bottom, lay an impermeable membrane on the bottom, and build a waterproof retaining wall around it.

[0059] Step 3 Laying the salt drainage layer

[0060] Concealed pipes are buried at the bottom of the excavated planting ground. The hidden pipes are made of 110 diameter PVC perforated corrugated pipes, the thickness of the outer sand filter material is not less than 8 cm, the g...

Embodiment 3

[0072] Embodiment 3 A kind of root salt control method that adopts perlite percolation layer

[0073] Step 1 Selection of saline-alkali land

[0074] The moisture content of the soil in the selected saline-alkali land is 12.1-15.2%, the total porosity of the soil is 34.2-40.7%, the pH value of the soil is 8.1-9.2, the salt content of the soil is 0.68-0.81%, and the bulk density of the soil is 1.43 ~1.51g / cm 3 , the content of Cl- is 3.76g / kg, and the content of Na+ is 2.12g / kg.

[0075] Step 2 Excavate the saline-alkali land for planting

[0076] Dig the planting soil to a depth of 160cm, compact the bottom, lay an impermeable membrane on the bottom, and build a waterproof retaining wall around it.

[0077] Step 3 Laying the salt drainage layer

[0078] Concealed pipes are buried at the bottom of the excavated planting ground. The hidden pipes are made of 110 diameter PVC perforated corrugated pipes, the thickness of the outer sand filter material is not less than 8 cm, th...

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Abstract

The invention provides a root salt control method with a perlite percolation layer. The root salt control method includes the step of percolation layer laying; the percolation layer comprises perlite, walnut active carbon, jujube-shell active carbon, cotton straw and humus soil. The root salt control method has the advantages that the root salt control method with the percolation layer has the good improvement effect on the physicochemical properties of soil in saline-alkali land; three months later, the volume weight of soil in the middle of an acer-mono main root is 1.23 g / cm<3> to 1.31 g / cm<3>, the volume weight of soil at the lower portion of the acer-mono main root is 1.24 g / cm<3> to 1.34 g / cm<3>, the salt content of the soil in the middle of the acer-mono main root is 0.16% to 0.21%, and the salt content of the soil at the lower portion of the acer-mono main root is 0.14% to 0.21%.

Description

technical field [0001] The invention relates to a root salt control method using a perlite percolation layer and its application in the planting of maple pentagon in saline-alkali land, belonging to the technical field of agricultural utilization. Background technique [0002] At present, my country's water and soil resources can only guarantee 500 million tons of grain production capacity, which is far from meeting the huge demand of the growing population. At the same time, my country's energy shortage contradiction is becoming increasingly acute, and the development of biomass energy must ensure the premise of "food security". my country currently owns coastal tidal flats with a total area of ​​nearly 40 million mu, which are important reserve land resources in my country. The development and utilization of saline-alkali soil in coastal tidal flats can not only provide food sources, but also become the production carrier of important salt-tolerant plants such as energy. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/00A01G17/00A01C21/00C02F9/14B01D53/84
CPCA01C21/00A01G17/005A01G25/00B01D53/84C02F1/001C02F3/00C02F9/00Y02A40/10Y02A50/20
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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