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Method for treating stony desertification in semiarid hot and warm area by applying improved pinus elliottii

A slash pine, semi-arid technology, applied in the fields of botanical equipment and methods, climate change adaptation, seed and rhizome treatment, etc., can solve the problem of Caribbean pine not being able to grow in areas with low accumulated temperature, etc.

Inactive Publication Date: 2012-10-24
SOUTHWEST FORESTRY UNIVERSITY
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Problems solved by technology

But caribbean pine does not set fruit in areas with low accumulated temperatures

Method used

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  • Method for treating stony desertification in semiarid hot and warm area by applying improved pinus elliottii
  • Method for treating stony desertification in semiarid hot and warm area by applying improved pinus elliottii
  • Method for treating stony desertification in semiarid hot and warm area by applying improved pinus elliottii

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Embodiment Construction

[0027] (1) Seedling raising method of slash pine

[0028] Slash pine seeds come from Florida, USA. Mycorrhizal seedling cultivation method is as follows:

[0029] Prepare seedling substrate soil: 25% raw soil, 60% mycorrhizal soil, 10% burned soil, 5% calcium magnesium phosphate fertilizer or superphosphate. Among them, the raw land soil is the soil that has not been planted with crops or grown trees and herbs, and contains less pathogenic bacteria, which reduces the occurrence of pine damping-off and blight; For silky soil, remove litter and fallen leaves and weeds on the surface when collecting soil, and dig out mycorrhizal soil at a depth of 10cm to 20cm. Put the prepared matrix soil into 6.5cm×13cm plastic bags, arrange 25 bags in each row, the width of the seedbed is 1.2 meters, and the length depends on the terrain.

[0030] Planting slash pine mycorrhizal seedlings: Soak the seeds in warm water with an initial temperature of 60°C, cool them naturally for 24 hours to ...

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Abstract

The invention relates to a method for treating stony desertification in a semiarid hot and warm area by applying improved pinus elliottii and belongs to forestry cultivation. The method comprises the steps of preparing matrix soil, planting mycorrihizal seedlings and managing; and forest planting comprises land preparation, pond returning and forest planting, and the density is 167 plants per mu.The growth speed of young pinus elliottii seedlings is obviously higher than that of other pine trees in stony desertification red soil, lateritic red soil, limestone red soil and other areas of which the elevation height is from 1,300 to 1,700 meters, and tree varieties such as the pinus elliottii, fraxinus malacophylla, dodonaea visciaa and or sophora davidii are planted in a mixed forest, the mixed proportion is 3:7, and the density is 222 plants per mu. The mixed forest can thrive within 5 to 7 years, are used for holding water and reinforcing soil, are used as commercial trees and generate rosin economic trees.

Description

technical field [0001] The invention belongs to a forestry cultivation method. Background technique [0002] Rocky desertification is one of the three major ecological problems in China today. The dry and hot climate, karst water leakage, dry and barren soil, and soil erosion in semi-arid and warm regions have further exacerbated rocky desertification in this area. Pine caribbean is a coniferous tree species planted more in plantations besides Yunnan pine and masson pine in southeastern Yunnan, and it has played an important role in the control of rocky desertification in the semi-arid and warm regions of Yunnan Province. But Caribbean pine does not set fruit in areas with low accumulated temperatures. Slash pine (Pinus elliottii Engelm.) is naturally distributed in the low-altitude areas of the southeastern coastal plain in the United States, with an average annual temperature of 22.2°C in the distribution area and 18.9°C in the north; Pinus elliottii is strong in the sun ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G23/00A01C1/00
CPCY02A40/22Y02P60/40
Inventor 李乡旺陆素娟黄春良张清
Owner SOUTHWEST FORESTRY UNIVERSITY
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