Zenia insignis and dalbergia odorifera mixed afforestation method in stony desertification region

A technology of Dalbergia Dalbergia and rocky desertification, which is applied in afforestation, forestry, climate change adaptation, etc., can solve the problems of weak soil and water conservation and poor ecological landscape effect, so as to improve the ecological landscape effect, maintain soil fertility, improve The effect of material yield and economic benefits

Active Publication Date: 2016-03-16
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because Rendou is a deciduous tree species, the pure forest of Rendou planted on rocky desertif

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] In November 2011, the moderately rocky desertified mountainous land in Linlin Village, Taiping Town, Pingguo County, Guangxi was selected as a mixed forest of Rendou and Dalbergia japonica, and the plantation rate was 1400 trees / hm 2 The density of the artificial partial digging pits and site preparation, first shovel clean the weeds within 1.2m around the planting pits, the digging specifications are 40cm x 40cm wide, 30cm deep, 300g calcium magnesium phosphate fertilizer and 20g city Sell ​​the water-retaining agent, and mix it with the topsoil and return it to the pit. In February 2012, the vigorous and lignified Rendou container seedlings born in May were selected for afforestation. The height of the seedlings was 40 cm and the ground diameter was 0.4 cm. Water the seedlings thoroughly before raising the seedlings, trim the seedlings when raising the seedlings, keep the upper 4~5 compound leaves, and trim 1 / 2 of the end of each compound leaf that remains to reduce w...

Embodiment 2

[0030] In the spring of 2010, the medium rocky desertification mountainous area of ​​Bale Village, Taiping Town, Pingguo County, Guangxi was used as a mixed forest of Rendou and Dalbergia japonica, and 1100 plants / hm were planted on the forested land 2 The density of the artificial partial digging pits and site preparation, first shovel clean the weeds within 1.2m around the planting pits, the digging specifications are 40cm x 40cm wide, 30cm deep, 300g calcium magnesium phosphate fertilizer and 20g city Sell ​​the water-retaining agent, and mix it with the topsoil and return it to the pit. In February 2011, half-year-old robust lignified Rendou container seedlings were selected for afforestation, with a seedling height of 45 cm and a ground diameter of 0.5 cm. Water the seedlings thoroughly before raising the seedlings, trim the seedlings when raising the seedlings, keep the upper 4~5 compound leaves, and trim 1 / 2 of the end of each compound leaf that remains to reduce water ...

Embodiment 3

[0033] In November 2008, the moderately rocky desertification mountainous land in Linlin Village, Taiping Town, Pingguo County, Guangxi was selected as a mixed forest of Rendou and Dalbergia japonica, and 1100 plants / hm were planted on the forested land 2 The density of the artificial partial digging pits and site preparation, first shovel clean the weeds within 1.2m around the planting pits, the digging specifications are 40cm x 40cm wide, 30cm deep, 300g calcium magnesium phosphate fertilizer and 20g city Sell ​​the water-retaining agent, and mix it with the topsoil and return it to the pit. In February 2009, the robust lignified Rendou container seedlings born in August were selected for afforestation, with a seedling height of 50 cm and a ground diameter of 0.55 cm. Water the seedlings thoroughly before raising the seedlings, trim the seedlings when raising the seedlings, keep the upper 4~5 compound leaves, and trim 1 / 2 of the end of each compound leaf that remains to redu...

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Abstract

The invention discloses a Zenia insignis and dalbergia odorifera mixed afforestation method in stony desertification regions. The method comprises cleaning a mountain and preparing land, processing seedlings, afforesting in a mixed manner, and performing tending management. The method specifically comprises: in autumn in the previous year of afforestation, performing manual cave-shaped land preparation, selecting Zenia insignis container seedlings of 5-8 months and dalbergia odorifera container seedlings which are older than or equal to one year old to afforest, using a star-like uneven-aged mixed plantation method, plantation density of a mingled forest being 1900-2600 plants/hm2, after afforestation, weeding, applying fertilizer, and tending. The method breaks a problem that a Zenia insignis pure forest has stony desertification in a seasonal manner because of fallen leaves in winter, and makes Zenia insignis and the dalbergia odorifera muturally promote growth, so as to improve vegetation coverage of stony desertification mountain areas, improve soil, and enhance water and soil conservation effect. The method maintains soil fertility, promotes growth of rare tree dalbergia odorifera trees in height and improves trunk quality, reduces investment in manual trimming of the dalbergia odorifera and arranging trunk auxiliary supports, accelerates vegetation recovery process in the stony desertification regions, and increases income of mountainous area people. The method has good social benefit and ecological benefits.

Description

technical field [0001] The invention belongs to the technical field of forestry cultivation, and in particular relates to a method for afforestation by mixing Rendou and Dalbergia balata in rocky desertification areas. Background technique [0002] Rendou (Zenia insignis Chun.), also known as Zenia insignis Chun., also known as Zenia insignis Chun., is a large deciduous tree belonging to Hematoxylinaceae. The height of the tree is 30m, and the diameter at breast height is more than 1m. Protect plants. Naturally distributed in Guangxi, Guangdong, Hunan, Guizhou, Yunnan and other provinces (regions), it is also distributed in northern Vietnam. Rendou's root system has strong penetrating power, and can grow across rock gaps; Rendou is extremely resistant to drought, barrenness, rapid growth, strong germination, and can be germinated and renewed for multiple generations after felling; Rendou's trunk is straight and round, and the yield is high High, fine wood structure, strong...

Claims

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Application Information

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IPC IPC(8): A01G23/00A01G17/00
CPCA01G17/005A01G23/00Y02A40/22Y02P60/40
Inventor 侯远瑞申文辉庞世龙黄宏珊陈金艳李婌英黄小荣
Owner GUANGXI FORESTRY RES INST
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