Root salt control method adopting rock-wool infiltration layer and application of root salt control method in planting of wild jujube in saline-alkaline land

A technology of infiltration layer and saline-alkali land, which is applied in the field of agricultural utilization, can solve the problems that the soil salinity cannot well control the range suitable for plant growth, the effect of adjusting the concentration of various ions in the soil is poor, and the effect of improving the physical and chemical properties of the soil is poor. Achieve the effects of increased weight, high safety, and reduced accumulation

Inactive Publication Date: 2016-12-07
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 cann

Method used

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  • Root salt control method adopting rock-wool infiltration layer and application of root salt control method in planting of wild jujube in saline-alkaline land
  • Root salt control method adopting rock-wool infiltration layer and application of root salt control method in planting of wild jujube in saline-alkaline land
  • Root salt control method adopting rock-wool infiltration layer and application of root salt control method in planting of wild jujube in saline-alkaline land

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 A root salt control method using rock wool percolation 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 30.2-38.3%, the pH value of the soil is 8.1-9.2, the salt content of the soil is 0.61-0.78%, and the bulk density of the soil is 1.42 ~1.57g / cm 3 , Cl - The content is 3.58g / kg, Na + The content is 2.15g / kg.

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

[0040] Dig the planting soil to a depth of 146cm, 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‰, ...

Embodiment 2

[0054] Embodiment 2 A kind of root salt control method that adopts rock wool 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 30.2-38.3%, the pH value of the soil is 8.1-9.2, the salt content of the soil is 0.61-0.78%, and the bulk density of the soil is 1.42 ~1.57g / cm 3 , Cl - The content is 3.58g / kg, Na + The content is 2.15g / kg.

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

[0058] Dig the planting soil to a depth of 152cm, 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 rock wool 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 30.2-38.3%, the pH value of the soil is 8.1-9.2, the salt content of the soil is 0.61-0.78%, and the bulk density of the soil is 1.42 ~1.57g / cm 3 , Cl - The content is 3.58g / kg, Na + The content is 2.15g / kg.

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

[0076] Dig the planting soil to a depth of 163cm, 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 g...

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Abstract

The invention provides a root salt control method adopting a rock-wool infiltration layer. The root salt control method comprises the step of laying the infiltration layer, wherein the infiltration layer contains rock wool, quercus acutissima wood activated carbon, palm shell activated carbon, sorghum straws and kanuma. The root salt control method has the beneficial effects that the root salt control method containing the infiltration layer, provided by the invention, has a good amendment effect on physicochemical properties of soil in saline-alkaline land; and 3 months later, the total porosity of the soil of middle parts of main roots of the wild jujube is 45% to 52%, the total porosity of the soil of lower parts of the main roots of the wild jujube is 44% to 53%, the salt content of the soil of the middle parts of the main roots of the wild jujube is 0.14% to 0.18%, and the salt content of the soil of the lower parts of the main roots of the wild jujube is 0.13% to 0.17%.

Description

technical field [0001] The invention relates to a root salt control method using a rock wool percolation layer and its application in planting wild jujube 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. [0003]...

Claims

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Application Information

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IPC IPC(8): A01B49/02C09K17/40C09K101/00
CPCA01B49/02C09K17/40C09K2101/00Y02A40/10
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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