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Method for recovering vegetational cover on alkaline land through mini alient earth

A saline-alkali land and micro-client technology, which is applied in botany equipment and methods, horticultural methods, applications, etc., can solve the problems of complicated operation and high cost

Inactive Publication Date: 2007-10-24
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the disadvantages of complex operation and high cost in the existing methods for treating saline-alkali land, the present invention uses micro-soil technology to create a micro-environment, introduce pioneer plants, and restore saline-alkali land vegetation, thereby obtaining a method for using micro-soil to restore saline-alkali land vegetation , the present invention is achieved in this way: add organic matter in micro-alkali soil, then add metal complex ion, mix into fertilizer, add binding agent at last to form micro-alkali soil aggregate, select saline-alkali-tolerant pioneer plant variety as seed, seed Put it into the granules of micro-off soil, bury the granules in the soil, and accumulate water in the cofferdam to make the seeds germinate and grow

Method used

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specific Embodiment approach 1

[0005] Specific implementation mode 1: This embodiment utilizes micro-soil technology to restore saline-alkali land vegetation in this way: add organic matter to micro-soil, then add metal complex ions, mix in fertilizers, and finally add binders to form aggregates, and select saline-alkali tolerance The Pioneer plant varieties are used as seeds, the seeds are put into pellets, the pellets are buried in the soil, and the cofferdams accumulate water to make the seeds germinate and grow.

[0006] In this embodiment, the micro-climate soil is neutral pH value soil or slightly acidic (pH value=4.5~6.5) soil; the organic matter is grass clippings and / or leaves, the ratio of organic matter to micro-climate soil 150-200g: 8-10kg, preferably 200g: 10kg; the metal complex ion is metal and EDTA-Na 2 The complex ion, metal is one or more in Fe, Cu, Mn, Zn, Co; Described binding agent is starch and / or flour, and the ratio of binding agent and microclimate is 300~350g: 15-20kg, preferably...

specific Embodiment approach 2

[0007] Specific implementation mode two: this implementation mode is realized in this way:

[0008] 1. Select and compare the pioneer plant varieties in saline-alkali land:

[0009] The first pioneer plant species is Sansevieria, which is a kind of pioneer plant. It is observed that in the rainy season from July to August, Sansevieria will grow on the edge of the saline-alkali spot. The biomass is low, and the growing season of the next year is still From July to August, it has a considerable relationship with rain.

[0010] The second pioneer plant species is Sueda neteroptera kitagaw, which is a 1-year-old herbaceous salt-accumulating plant in Rico. The plant body is green, and its stems and leaves are fleshy and cylindrical. Linear. Seeds can germinate from April to June, bloom from August to October, and bear fruit from September to October. A high amount of replaceable sodium salt in the soil is the condition required for its growth. It can grow in soil with a salt con...

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Abstract

A method for restoring the vegetation of saline-alkaline land by use of less foreign soil includes such steps as mixing the foreign soil with organic mass, metallic complex irons, fertilizer and adhesive, granulating, putting the chosen seed in each pellet, burying the pellets in ground, and building dam for collecting water to make the seed germinate.

Description

Technical field: [0001] The invention belongs to the field of saline-alkali land vegetation restoration. Background technique: [0002] The main reasons for the formation of saline-alkali land are as follows: (1) Overgrazing and over-cultivation have destroyed the ecological environment of the grassland; (2) The rainfall is less than the evapotranspiration and evaporation, and the underground water goes up, and the salt ions go up, and the water evapotranspiration and evaporation After the accumulation of salt ions on the surface of the land, severe saline-alkali patches are formed; (3) The saline-alkali land is mostly a low-level grassland closed-flow area, and the micro-land type is high in the south and low in the north, resulting in the erosion of water flow, uneven soil organic matter, and plant growth. Difficult; (4) The soil is tight, the porosity is small, and the water permeability is poor, which affects the seed retention, rooting and germination; (5) The seeds of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/00
Inventor 柳参奎管清杰张欣欣程玉祥金洙哲
Owner NORTHEAST FORESTRY UNIVERSITY
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