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Root salt control method for interplanting of corn and alfalfa in saline-alkali land

A technology for alfalfa and saline-alkali land is applied in the fields of land preparation methods, chemical instruments and methods, botanical equipment and methods, etc., which can solve the problems of poor soil physical and chemical properties improvement effect, poor adjustment effect of soil ion concentration, and unsatisfactory soil salt content. It is very good to control the range of suitable growth of plants and other issues, so as to achieve the effect of increasing the yield of alfalfa grass per mu, good improvement effect, and increasing the yield per mu of corn

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 interplanting of corn and alfalfa in saline-alkali land
  • Root salt control method for interplanting of corn and alfalfa in saline-alkali land
  • Root salt control method for interplanting of corn and alfalfa in saline-alkali land

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 A root salt control method for interplanting corn and alfalfa 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 133cm, 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 ...

Embodiment 2

[0071] Embodiment 2 A kind of root salt control method of interplanting corn and alfalfa in saline-alkali land

[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 141cm, 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 sand filter...

Embodiment 3

[0106] Embodiment 3 A kind of root salt control method of interplanting corn and alfalfa in saline-alkali land

[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 150cm, 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 filter ...

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Abstract

The invention provides a root salt control method for interplanting of corn and alfalfa in a saline-alkali land. The root salt control method comprises the step of laying of a filter layer, wherein the filter layer comprises cocoanut active charcoal, pterocarya stenoptera bark, birch chips, vermiculite and sesame dregs. The root salt control method has the advantages that the root salt control method for interplanting of the corn and the alfalfa in the saline-alkali land has an excellent modification effect for the physicochemical property of the soil in the saline-alkali land. After three months, the total porosity of the soil of the soil layer under the corn plants by 10-30 cm is 40%-58%, the total porosity of the soil of the soil layer under the corn plants by 30-50 cm is 48%-56%,the soil salt content of the soil layer under the corn plants by 10-30 cm is 0.15%-0.21%, and the soil salt content of the soil layer under the corn plants by 30-50 cm is 0.16%-0.22%.

Description

technical field [0001] The invention relates to a root salt control method for interplanting corn and alfalfa 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] From the current point of view, how to contr...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G1/00C02F3/32C05G3/00
CPCA01B79/02A01G22/00C02F3/32C05B17/00C05G5/37C05C3/00C05C9/00C05D1/02C05D5/00C05D9/00C05D9/02C05F11/00Y02A40/10
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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