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Root salt controlling method with medical stone percolation layer and application of root salt controlling method to planting of festuca arundinacea in saline-alkali soil

A reed-like fescue and percolation layer technology is applied in the field of agricultural utilization, and can solve the problems of poor soil physical and chemical properties improvement effect, poor adjustment effect of soil ion concentration, and soil salt content that cannot well control the suitable growth range of plants. and other problems, to achieve good improvement effect, high safety, and the effect of increasing yield

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. The effect of adjusting the concentration of various ions in the soil in saline-alkali soil is poor;

Method used

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  • Root salt controlling method with medical stone percolation layer and application of root salt controlling method to planting of festuca arundinacea in saline-alkali soil
  • Root salt controlling method with medical stone percolation layer and application of root salt controlling method to planting of festuca arundinacea in saline-alkali soil
  • Root salt controlling method with medical stone percolation layer and application of root salt controlling method to planting of festuca arundinacea in saline-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0037] Step 1 Selection of saline-alkali land

[0038] The moisture content of the soil in the selected saline-alkali land is 10.3-12.4%, the total porosity of the soil is 30.4-35.6%, the pH value of the soil is 8.1-9.4, the salt content of the soil is 0.71-0.79%, and the bulk density of the soil is 1.51 ~1.62g / cm 3 , Cl - The content is 3.76g / kg, Na + The content is 2.52g / kg.

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

[0040] Dig the planting soil to a depth of 110cm, 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....

Embodiment 2

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

[0055] Step 1 Selection of saline-alkali land

[0056] The moisture content of the soil in the selected saline-alkali land is 10.3-12.4%, the total porosity of the soil is 30.4-35.6%, the pH value of the soil is 8.1-9.4, the salt content of the soil is 0.71-0.79%, and the bulk density of the soil is 1.51 ~1.62g / cm 3 , Cl - The content is 3.76g / kg, Na + The content is 2.52g / kg.

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

[0058] Dig the planting soil to a depth of 116cm, 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, t...

Embodiment 3

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

[0073] Step 1 Selection of saline-alkali land

[0074] The moisture content of the soil in the selected saline-alkali land is 10.3-12.4%, the total porosity of the soil is 30.4-35.6%, the pH value of the soil is 8.1-9.4, the salt content of the soil is 0.71-0.79%, and the bulk density of the soil is 1.51 ~1.62g / cm 3 , Cl - The content is 3.76g / kg, Na + The content is 2.52g / kg.

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

[0076] Dig the planting soil to a depth of 125cm, 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, t...

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Abstract

The invention provides a root salt controlling method with a medical stone percolation layer. The root salt controlling method comprises the percolation layer paving step. The percolation layer comprises medical stone, plum tree activated carbon, hazelnut shell activated carbon and coal ash. The root salt controlling method has the advantages that after the root salt controlling method with the percolation layer is used, soil becomes loose, the storage capacity of the soil becomes high, and the salt content in the soil can be controlled within the range suitable for growing of festuca arundinacea.

Description

technical field [0001] The invention relates to a root salt control method using medical stone percolation layer and its application in reed-like fescue planting 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): A01B79/02A01G1/00
CPCA01B79/02A01G22/00Y02A40/10
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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