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Root salt control method for interplanting kaline soil corn and suaeda salsa

A technology of Suaeda salsa and saline-alkali land, which is applied in the field of agricultural utilization, and can solve the problems that the soil salinity cannot well control the range suitable for plant growth, the adjustment effect of various ion concentrations in the soil is poor, and the improvement effect of soil physical and chemical properties is poor. , to achieve a good regulation effect, increase the yield per mu of corn, and achieve the effect of high safety

Inactive Publication Date: 2017-01-11
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 kaline soil corn and suaeda salsa
  • Root salt control method for interplanting kaline soil corn and suaeda salsa
  • Root salt control method for interplanting kaline soil corn and suaeda salsa

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1 A root salt control method for interplanting corn and Suaeda salsa in saline-alkali land

[0036] Step 1 Selection of saline-alkali land

[0037] 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%, the content of Cl- is 2.21-2.53g / kg, and the content of Na+ is 1.15-1.32g / kg.

[0038] Step 2 Excavate the saline-alkali land for planting

[0039] Dig the planting soil to a depth of 127cm, compact the bottom, lay an impermeable membrane on the bottom, and build a waterproof retaining wall around it.

[0040] Step 3 Laying the salt drainage layer

[0041] 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 filte...

Embodiment 2

[0072] Embodiment 2 A root salt control method for interplanting corn in saline-alkali land and Suaeda salsa in saline-alkali land

[0073] Step 1 Selection of saline-alkali land

[0074] 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%, the content of Cl- is 2.21-2.53g / kg, and the content of Na+ is 1.15-1.32g / kg.

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

[0076] Dig the planting soil to a depth of 134cm, 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 thicknes...

Embodiment 3

[0109] Embodiment 3 A root salt control method for interplanting corn in saline-alkali land and Suaeda salsa in saline-alkali land

[0110] Step 1 Selection of saline-alkali land

[0111] 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%, the content of Cl- is 2.21-2.53g / kg, and the content of Na+ is 1.15-1.32g / kg.

[0112] Step 2 Excavate the saline-alkali land for planting

[0113] Dig the planting soil to a depth of 142cm, compact the bottom, lay an impermeable membrane on the bottom, and build a waterproof retaining wall around it.

[0114] Step 3 Laying the salt drainage layer

[0115] 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 ...

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Abstract

The invention provides a root salt control method for interplanting kaline soil corn and suaeda salsa. The root salt control method comprises the step of laying a percolation layer, wherein the percolation layer comprises rice straw biomass charcoal, cryptomeria wood dust, zeolite, crape myrtle bark and peanut press pulp. The method provided by the invention has the beneficial effects that the root salt control method for interplanting kaline soil corn and suaeda salsa provided by the invention method has a good improving effect on the physical and chemical properties of the soil in the kaline soil; after the three months, the soil volume weight of the 10 to 30cm soil layer under the corn plant is 1.15 to 1.22g / cm<3>; the soil volume weight of the 30 to 50cm soil layer under the corn plant is 1.13 to 1.20g / cm<3>; the salt content of the soil of the 10 to 30cm soil layer under the corn plant is 0.16 to 0.20 percent; the salt content of the soil of the 30 to 50cm soil layer under the corn plant is 0.14 to 0.19 percent.

Description

technical field [0001] The invention relates to a root salt control method for interplanting maize in saline-alkali land and Suaeda salsa in saline land, and 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 poin...

Claims

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Application Information

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IPC IPC(8): A01B79/02C05G3/00C05G3/08C05G3/90
CPCA01B79/02C05B7/00C05G3/00C05G3/90C05G5/37C05C5/00C05C5/02C05C9/00C05F11/00Y02P60/21Y02A40/10Y02A40/22
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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