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Seedling culture of fraxinus malacophylla and afforestation method in treatment of stony desertification

A technology of white gun shaft and rocky desertification, applied in afforestation, botanical equipment and methods, forestry, etc., can solve the problems of soil loss, soil with a lot of calcareous matter, lack of sources of organic matter, etc.

Inactive Publication Date: 2011-09-07
SOUTHWEST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disappearance of forests and the semi-dry hot climate make organic matter lack sources of supplementation, and the soil contains more calcareous matter; karst mountainous areas that are prone to water leakage have lost a lot of water and soil, and it is very difficult to restore vegetation

Method used

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  • Seedling culture of fraxinus malacophylla and afforestation method in treatment of stony desertification
  • Seedling culture of fraxinus malacophylla and afforestation method in treatment of stony desertification
  • Seedling culture of fraxinus malacophylla and afforestation method in treatment of stony desertification

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0113] Physical properties of laterite

[0114]

[0115] Nutrient Content of Red Soil

[0116]

[0117] Fire soil physical properties

[0118]

[0119] Nutrient content of burnt soil

[0120]

example 2

[0122] Physical properties of laterite

[0123]

[0124] Nutrient Content of Red Soil

[0125]

[0126] Fire soil physical properties

[0127]

[0128] Nutrient content of burnt soil

[0129]

example 3

[0131] Physical properties of laterite

[0132]

[0133] Nutrient Content of Red Soil

[0134]

[0135] Fire soil physical properties

[0136]

[0137] Nutrient content of burnt soil

[0138]

[0139] Put the seedlings into the nutrient bag and put them into the seedbed to cultivate at the slow seedling stage. Start 10 to 15 days with sunshade nets, and grow seedlings under full light during the rest of the time. The relative humidity and temperature are the same as those at the cotyledon stage, for a total of 60 days. The soil moisture content in the first 30 days is 50%, reduced to 30% after 30 days, and 60% 5 days before leaving the shed;

[0140] Including 15-22 days of cotyledon stage, 15 days of two pairs of true leaf stage, 90-95 days of slow seedling stage for 2 months, a total of 90-95 days of cultivation, the first-grade seedling height is more than 15cm, the ground diameter is 0.2-0.3cm, and the second-grade seedling height is 10-15cm , ground diamete...

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Abstract

The invention relates to seedling culture of fraxinus malacophylla and an afforestation method in treatment of stony desertification, belonging to forestry.The invention comprises seed collecting, culture bed making, seed treatment, sowing, bagged seedling culture, seedling drought tolerance training and coming out of the nursery garden. The whole process basically enjoys full exposure seedling culture.The afforestation method comprises soil preparation in advance, afforestation and nurturing.In the invention, drought-enduring culture and afforestation tests have been carried out on broad leaf arbor indigenous trees in the semiarid stony desertification areas for years, the trees have well developed root system; in the dry season, the trees adapt to the environment in form of fallen leaves, have the advantages of great drought tolerance, high survival rate, fast growth and is highly adaptable to the semiarid stony desertification areas; and the fraxinus malacophylla planted in the severely dry season for treating stony desertification has a survival rate of 78%.

Description

technical field [0001] The present invention belongs to forestry. Background technique [0002] Fraxinus malacophylla is a plant of the genus Flaxinus in the family Oleaceae, and is a tree. It is mainly distributed in karst areas in southeastern Yunnan and parts of karst in central and southern Yunnan at latitude 23°36′~25°E and longitude 102°~105°40′ In the region, it mostly grows in limestone mountainous broad-leaved forests at an altitude of 800-1500 meters. Young branches are compressed, densely covered with rust-colored hairs, and old branches are nearly cylindrical brown, slightly pilose or almost glabrous, with obvious lenticels. The leaves are pinnate compound leaves, the rachis are densely covered with rust-colored hairs, the leaflets are leathery, both sides are covered with rust-colored hairs, the lateral veins and midribs are concave, and the lateral leaflets are nearly sessile; cymose panicles, white flowers, calyx bell-shaped, Corolla 4 rows, stamens 2, samara...

Claims

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Application Information

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