Updating method of arid desert area populus diversifolia root searching and cutting

Abstract

The invention discloses an updating method of arid desert area populus diversifolia root searching and cutting. The method comprises the following steps of 1, updating area selection; 2, setting updating time; 3, predicting a populus diversifolia root system trend and selecting a reasonable root cutting position; 4, time-delay backfilling. Compared with an existing annular groove updating technology, the updating method has the following advantages that project updating implementation time is set, and the situations are avoided that operation is carried out in a strong wind season, a rooting cutting pit is buried by sand and the advantage conditions of populus diversifolia rooting cutting sprouting seedling are broken; at the same time, because a new sand source is formed by man-made soil disturbance, the strong wind season is avoided and sandy oil amount carried by wind erosion is reduced; the updating position is selectively determined, and the density of a populus diversifolia forest is reasonably distributed; the project amount of the method is decreased by over 78% than annular groove updating, and manpower and material resources are saved; the method is simple, easy to implement and master, quick in returns, good in effect and strong in practicability and operability.

Description

technical field [0001] The invention relates to the technical field of desert vegetation restoration in Xinjiang, in particular to a root-seeking and root-cutting method for Populus euphratica in arid desert areas. Background technique [0002] Populus euphratica ( Populus euphratica ), also known as poplar heterophyllum, is a medium-sized deciduous natural tree and the oldest tree species in the genus Populus. It is mainly distributed in western my country, Central Asia, West Asia, and the Mediterranean region. The diameter of Populus euphratica can reach 1.5 meters. The wood is slender and soft, and the leaves are broad and fragrant. Populus euphratica is drought-resistant and flood-resistant, and its life is tenacious. It is one of the rare tree species in nature. Populus euphratica can be up to 200 years old, with a straight trunk, 10-15 meters high, and a thin shrub shape. Its leaves are peculiar. Because it grows in the extremely arid desert area, in order to adapt to...

AI Technical Summary

Problems solved by technology

However, during the regeneration process of the natural Populus euphratica forest, due to the rich vegetation and complex terrain in the Populus euphratica forest, it is difficult for existing machinery to enter, and the manual excavation of the ring-shaped ditch requires a large amount of work. Root distribution is sparse, and trenching in these directions is often ineffective

In the regeneration of Populus euphratica in larger forest gaps, due to the construction restrictions of the circular ditch, the distance between the ditch and the parent tree is limited, and it is difficult to advance to a long distance, and the regeneration of large gaps in Populus euphratica forest is slow

In summary, the current regeneration method requires a large amount of engineering, strong soil disturbance, and low regeneration efficiency.