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Root salt control method for potato and sesbania interplanting in salt-alkali soil

A technology for potatoes and saline-alkali land, which is applied in the direction of soil preparation methods, chemical instruments and methods, and nitrate fertilizers, etc. It can solve the problems of poor adjustment of soil ion concentrations, poor improvement of soil physical and chemical properties, and poor control of soil salinity. Problems such as the range of suitable growth of plants, to achieve the effect of increasing the yield per mu of vinaigrette grass, good improvement effects, and increasing the yield per mu of potatoes

Inactive Publication Date: 2017-01-04
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 for potato and sesbania interplanting in salt-alkali soil
  • Root salt control method for potato and sesbania interplanting in salt-alkali soil
  • Root salt control method for potato and sesbania interplanting in salt-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 A root salinity control method for interplanting potatoes and turnips in saline-alkali land

[0037] Step 1 Selection of saline-alkali land

[0038] The total porosity of the 0-50cm soil layer in the selected saline-alkali land is 28-39%, the pH value of the soil is 8.1-8.7, the salt content of the soil is 0.42-0.51%, and the bulk density of the soil is 1.34-1.47g / cm 3 , the non-capillary porosity in the soil is 1.27-1.38%, Cl - The content is 2.21-2.53g / kg, Na + The content is 1.15-1.32g / kg.

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

[0040] Dig the planting soil to a depth of 138cm, 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 m...

Embodiment 2

[0071] Embodiment 2 A method for controlling salt in the root of saline-alkali soil interplanting potatoes and turnips

[0072] Step 1 Selection of saline-alkali land

[0073] The total porosity of the 0-50cm soil layer in the selected saline-alkali land is 28-39%, the pH value of the soil is 8.1-8.7, the salt content of the soil is 0.42-0.51%, and the bulk density of the soil is 1.34-1.47g / cm 3 , the non-capillary porosity in the soil is 1.27-1.38%, Cl - The content is 2.21-2.53g / kg, Na + The content is 1.15-1.32g / kg.

[0074] Step 2 Excavate the saline-alkali land for planting

[0075] Dig the planting soil to a depth of 145cm, compact the bottom, lay an impermeable membrane on the bottom, and build a waterproof retaining wall around it.

[0076] Step 3 Laying the salt drainage layer

[0077] 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 san...

Embodiment 3

[0106] Embodiment 3 A method for controlling salt in the root of saline-alkali soil interplanting potatoes and turnips

[0107] Step 1 Selection of saline-alkali land

[0108] The total porosity of the 0-50cm soil layer in the selected saline-alkali land is 28-39%, the pH value of the soil is 8.1-8.7, the salt content of the soil is 0.42-0.51%, and the bulk density of the soil is 1.34-1.47g / cm 3 , the non-capillary porosity in the soil is 1.27-1.38%, Cl - The content is 2.21-2.53g / kg, Na + The content is 1.15-1.32g / kg.

[0109] Step 2 Excavate the saline-alkali land for planting

[0110] 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.

[0111] Step 3 Laying the salt drainage layer

[0112]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...

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Abstract

The invention provides a root salt control method for potato and sesbania interplanting in salt-alkali soil. The method includes the step of laying an infiltration layer, wherein the infiltration layer comprises walnut shell activated carbon, fir wood scraps, zeolite, peat soil and chitosan. The method has the advantages that the method has a good improvement effect on the physical and chemical properties of soil in the salt-alkali soil; three months later, the total porosity of soil in the soil layer which is 10-30 cm deep under potato plants is 58-65%, the total porosity of soil in the soil layer which is 30-50 cm deep under potato plants is 55-63%, the soil salt content of the soil layer which is 10-30 cm deep under potato plants is 0.13-0.18%, and the soil salt content of the soil layer which is 30-50 cm deep under potato plants is 0.14-0.19%.

Description

technical field [0001] The invention relates to a root salt control method for interplanting potatoes and turnips in saline-alkali land, which belongs 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] From the current point of view, how ...

Claims

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Application Information

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IPC IPC(8): A01B79/02C05G3/00C02F3/32
CPCA01B79/02C02F3/32C05B1/02C05G5/37C05B7/00C05C5/02C05C11/00C05D5/00C05D9/00C05F11/00Y02A40/10
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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