Eucalyptus planting method in rare earth mining area

A rare earth mining area and planting method technology, applied in the agricultural field, can solve the problems of nitrogen resources that are not easy to be developed, high ion concentration, etc., and achieve good three-dimensional greening effect, good effect, and the effect of preventing soil erosion

Inactive Publication Date: 2015-05-27
郭洪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A large amount of (NH 4 ) 2 SO 4 , NH + After the rare earth cations are replaced by ions, they are firmly adsorbed in the waste ore clay. This is an inexhaustible batch of nitrogen resources that are not easy to be developed.
In addition, a large amount of water-soluble SO remai

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Embodiment 1: the eucalyptus tissue culture seedling grows to about 1m after 2 months of planting, and at this time, paspalum broadleaf can be interplanted between eucalyptus; the method is: dig loose topsoil, directly sow some seeds, and then cover a small amount of garbage soil , per 1m 2 Plant 2 clumps on demand; the main trunk of eucalyptus is obvious, and it can grow to about 8m in 2 years, and the upper canopy can be quickly formed; due to the sparse branches and leaves of eucalyptus, the light transmittance in the forest is large, and broad-leaved paspalum, Indian cowpea, and sage branch have certain tolerance. It can form a relatively stable mixed vegetation community of arbor, shrub and grass with eucalyptus.

Embodiment 2

[0008] Embodiment 2: the eucalyptus tissue culture seedling grows to about 1m after 2 months, at this moment, wide Indian cowpea can be interplanted between eucalyptus; per 1m 2 Plant 4 clumps on demand; the trunk of eucalyptus is obvious, and it can grow to about 8m in 2 years, and the upper canopy can be quickly formed; due to the sparse branches and leaves of eucalyptus, the light transmittance in the forest is large, and broad-leaved paspalum, Indian cowpea, and scutellaria have a certain degree of tolerance. It can form a relatively stable mixed vegetation community of arbor, shrub and grass with eucalyptus.

Embodiment 3

[0009] Embodiment 3: the eucalyptus tissue culture seedling grows to about 1m after 2 months, and can be interplanted with eucalyptus at this time; the method is: dig loose topsoil, directly sow some seeds, cover a small amount of rubbish soil again, 1m 2 Plant 6 clumps on demand; the trunk of eucalyptus is obvious, and it can grow to about 8m in 2 years, and the upper canopy can be quickly formed; due to the sparse branches and leaves of eucalyptus, the light transmittance in the forest is large, and broad-leaved paspalum, Indian cowpea, and stalks have certain tolerance. It can form a relatively stable mixed vegetation community of arbor, shrub and grass with eucalyptus.

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PUM

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Abstract

The present invention belongs to the technical field of agriculture and specifically relates to a eucalyptus planting method in a rare earth mining area, and the method has a significant effect for the treatment of sulfate ions and can control water loss and soil erosion. The eucalyptus planting method is characterized by comprising a step of carrying out relay cropping of broadleaf paspalum, vigna sesquipedalis or lespedeza bicolor between the eucalyptus when eucalyptus tissue culture seedlings are planted for two months and grow to a height of about 1m. The method specifically includes the steps of: digging and loosing surface soil, directly sowing certain seeds, then covering the seeds with a small amount of garbage soil, and dibble planting 1 to 15 clumps every 1.2 m. The eucalyptus has an obvious trunk, can grow to a height of about 8m in two years, and can rapidly form an upper canopy. The eucalyptus has sparse branches and leaves, and can form a eucalyptus forest with a large transmittance. Moreover, the broadleaf paspalum, the vigna sesquipedalis, the lespedeza bicolor and the like have certain shade tolerance. Therefore, the broadleaf paspalum, the vigna sesquipedalis, the lespedeza bicolor and the like can form a stable tree, shrub and grass mixed vegetation community with the eucalyptus.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and in particular the invention relates to a method for planting eucalyptus in a rare earth mining area. Background technique [0002] A large amount of (NH 4 ) 2 SO 4 , NH + After the rare earth cations are replaced by ions, they are firmly adsorbed in the waste ore clay. This is an inexhaustible batch of nitrogen resources that are not easy to be developed. In addition, a large amount of water-soluble SO remains in the soil of the rare earth waste mine area. 4 2- Ions, these sulfate ions will be continuously reduced under the leaching of rainwater, but since the bottom of the stockyard is covered with plastic film, in the water accumulation area, SO 4 2- The ion concentration is relatively high. When plants absorb water, SO 4 2- Ions are also absorbed into the plant together, if SO 4 2- If the ion concentration is too high, it will cause direct poisoning to plants (slight poison...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G23/00
CPCA01G17/005A01G22/00
Inventor 郭洪郑天禄
Owner 郭洪
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