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Root salt controlling method with rice straw biomass charcoal percolation layer and application of root salt controlling method to planting of kochia scoparia in saline-alkali soil

A technology of biochar and rice straw, which is applied in the direction of botany equipment and methods, applications, and land preparation methods, can solve the problem that the soil salinity cannot well control the range suitable for plant growth, and the effect of adjusting the concentration of various ions in the soil is poor. , soil physical and chemical properties improvement effect is poor, to achieve the effect of reducing accumulation, high safety, and increasing vitamin C content

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 controlling method with rice straw biomass charcoal percolation layer and application of root salt controlling method to planting of kochia scoparia in saline-alkali soil
  • Root salt controlling method with rice straw biomass charcoal percolation layer and application of root salt controlling method to planting of kochia scoparia in saline-alkali soil
  • Root salt controlling method with rice straw biomass charcoal percolation layer and application of root salt controlling method to planting of kochia scoparia in saline-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 A Root Salt Control Method Using Rice Straw Biochar Infiltration Layer

[0037] Step 1 Selection of saline-alkali land

[0038] The moisture content of the soil in the selected saline-alkali land is 11.2-13.5%, the total porosity of the soil is 31.5-36.7%, the pH value of the soil is 8.1-9.1, the salt content of the soil is 0.59-0.71%, and the bulk density of the soil is 1.23 ~1.45g / cm 3 , Cl - The content is 3.21g / 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 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...

Embodiment 2

[0054] Embodiment 2 A root salt control method using rice straw biochar percolation layer

[0055] Step 1 Selection of saline-alkali land

[0056] The moisture content of the soil in the selected saline-alkali land is 11.2-13.5%, the total porosity of the soil is 31.5-36.7%, the pH value of the soil is 8.1-9.1, the salt content of the soil is 0.59-0.71%, and the bulk density of the soil is 1.23 ~1.45g / cm 3 , Cl - The content is 3.21g / kg, Na + The content is 2.12g / kg.

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

[0058] Dig the planting soil to a depth of 120cm, 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 gradie...

Embodiment 3

[0072] Example 3 A root salt control method using rice straw biochar percolation layer

[0073] Step 1 Selection of saline-alkali land

[0074] The moisture content of the soil in the selected saline-alkali land is 11.2-13.5%, the total porosity of the soil is 31.5-36.7%, the pH value of the soil is 8.1-9.1, the salt content of the soil is 0.59-0.71%, and the bulk density of the soil is 1.23 ~1.45g / cm 3 , Cl - The content is 3.21g / kg, Na + The content is 2.12g / kg.

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

[0076] Dig the planting soil to a depth of 128cm, 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, the gradient ...

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Abstract

The invention provides a root salt controlling method with a rice straw biomass charcoal percolation layer. The root salt controlling method comprises the percolation layer paving step. The percolation layer comprises rice straw biomass charcoal, willow activated carbon, tea seed shell activated carbon, sunflower straw and peat soil. The root salt controlling method has the advantages that the root salt controlling method with the percolation layer has a good improvement effect on physicochemical performance of the saline-alkali soil, three months later, the volume weight of the soil on the middle portions of main roots of kochia scoparia is 1.08-1.15 g / cm<3>, the volume weight of the soil on the lower portions of the main roots of the kochia scoparia is 1.10-1.16 g / cm<3>, the soil salinity of the middle portions of the main roots of the kochia scoparia is 0.11-0.18%, and the soil salinity of the lower portions of the main roots of the kochia scoparia is 0.10-0.19%.

Description

technical field [0001] The invention relates to a root salt control method using a rice straw biomass carbon infiltration layer and its application in the planting of saline-alkali Kochia Kochia, 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...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G1/00
CPCA01B79/02A01G22/00Y02A40/10
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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