Method for constructing eucalyptus dunnii and cunninghamia lanceolata mixed forest in Nanling mountainous region

A mixed forest and Chinese fir technology, applied in the field of mixed forest construction of eucalyptus and fir, can solve the problems of easy damage caused by non-cold-resistant varieties and few cold-resistant varieties, and achieve the effects of good mixed effect, short rotation period and strong cold resistance.

Pending Publication Date: 2021-08-31
GUANGXI FORESTRY RES INST
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Problems solved by technology

However, there are many varieties of eucalyptus, but few cold-resistant varieties, and the cold wave in Nanling Mountains in winter is easy to cause damage to non-cold-resistant varieties. How to build mixed forests of eucalyptus and Chinese fir in Nanling Mountains has become a new round of research hotspots

Method used

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  • Method for constructing eucalyptus dunnii and cunninghamia lanceolata mixed forest in Nanling mountainous region
  • Method for constructing eucalyptus dunnii and cunninghamia lanceolata mixed forest in Nanling mountainous region

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Embodiment 1

[0028] A method for constructing a mixed forest of Dunn's Eucalyptus and Chinese fir in the Nanling Mountains, the main steps of which are as follows:

[0029] (1) Land selection and land preparation: In the winter of 2015, at the Xianshui Forest Farm in Quanzhou County, Guangxi, a plot with a deep soil layer and no water accumulation was selected as the planting area, weeds and trees in the planting area were removed, and the soil was plowed layer; dig holes on the vertical contour line in the planting area, the specifications are hole surface width 60cm * hole bottom width 40cm * hole depth 35cm, and put 1 kg of base fertilizer in each hole; the 1000 kg of base fertilizer includes: 116 kg of urea containing N46%, Contains P 2 o 5 20% calcium magnesium phosphate fertilizer 350kg, containing N10%, P 2 o 5 42% NH 4 h 2 PO 4 167kg, including K 2 O60% KCl83kg, B11% borax 10kg, Zn24% ZnSO 4 ·7H 2 O4kg, CuSO containing Cu25% 4 ·5H 2 06kg, tung bran 129kg containing 70% o...

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Abstract

The invention provides a method for constructing an eucalyptus dunnii and cunninghamia lanceolata mixed forest in a Nanling mountainous region. The method comprises steps of land selection and preparation, mixed afforestation and nurturing management. Specifically, a land parcel with a deep and thick soil layer and without water accumulation is selected as a planting area in the Nanling mountainous region, holes are dug according to specifications, eucalyptus dunnii and cunninghamia lanceolata are selected according to a ratio and planted in a staggered manner, afforestation is carried out in a strip-shaped mixed mode, and forest nurturing management after afforestation is carried out according to related standards. The eucalyptus dunnii and cunninghamia lanceolata are mixed, damage of winter cold waves of the Nanling mountainous region can be overcome, an ecological function of a mixed forest can be achieved, and economic benefits can be rapidly obtained.

Description

technical field [0001] The invention belongs to the technical field of forestry cultivation, and relates to a method for building a mixed forest of eucalyptus and Chinese fir, in particular to a method for building a mixed forest of eucalyptus and Chinese fir in Nanling mountainous area. Background technique [0002] my country is the country with the largest area of ​​artificial forests in the world. The afforestation is mainly pure forests, all of which are fast-growing and short-rotation timber forests. Due to the long-term imbalance of soil nutrients, the soil fertility of forest lands continues to decline, and the productivity of planted forests continues to decrease. It also decreased significantly, and the most prominent decline was in Chinese fir plantations. At the same time, due to the single species of trees and the small number of natural enemies, disasters and pests frequently occurred. Building artificial mixed forest is an effective way to promote the sustainab...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01C21/00C05G3/00C05G3/80
CPCA01G17/005A01C21/005C05B7/00C05B13/02C05G3/00C05G3/80C05C9/00C05D1/02C05D9/02C05F5/002Y02P60/40Y02A40/22
Inventor 邓紫宇郭东强陈健波任世奇唐庆兰刘媛卢翠香伍琪陈升侃周维李昌荣
Owner GUANGXI FORESTRY RES INST
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