A kind of soil column block and soil column seedling afforestation method for tree seed seedling raising

Abstract

The invention relates to a method for soil-column seedling culture and transplanting afforestation, wherein the transplanting afforestation method comprises the following steps of preparing soil-column blocks, using the soil-column blocks to cultivate tree / shrub seedlings and transplanting soil-column-block seedlings on site. The method can avoid the damage of bare-rooted seedling transplantation to tree root systems, as well as the problem of root-system coiling problem caused by container seedling transplantation, can enable transplanted seedlings to form root-system forms similar to self-generated trees so as to improve the survival rate of the seedlings and the adaptability of the seedlings to new environments, can avoid the destruction of fish-scale pits and other traditional afforestation methods to ground surface, and can reduce soil wind erosion. The method can be used for general flat-land afforestation, as well as slope-land, sandy-land and wasteland afforestation, and has obvious social, economic and ecological benefits.

Description

technical field [0001] The invention relates to a method for growing seedlings and a method for transplanting and afforestation, in particular to a method for afforestation of soil pillar blocks and soil pillar seedlings suitable for raising tree seedlings under harsh site conditions. Background technique [0002] Traditional tree seedling raising methods for transplanting can be divided into bare ground seedling raising (bare root seedlings, soil ball seedlings) and container seedling raising (container seedlings) two categories. [0003] Generally speaking, the root system of naturally growing trees is characterized by well-developed main roots, few but relatively thick lateral roots, and the overall shape of the root system is thick, long, sparse, and networked. This kind of root system can penetrate deep into the soil and has a wide distribution. It not only plays a major role in supporting the weight of trees, but also holds the soil and reduces soil erosion. However, ...

AI Technical Summary

Problems solved by technology

Although container-grown saplings can avoid the main root damage caused by bare-ground seedlings, they will have a coiled root system. Once the coiled root system becomes lignified, this root system will continue to maintain, making the roots of container seedlings move. After planting, it can only grow in the direction of coiling, and it is difficult to penetrate deep into the soil

[0004] Use bare-root seedlings or container seedlings to transplant afforestation on flat land or places with thick soil layers. Because the soil conditions are relatively good, even if the main root of the tree does not develop, the lateral roots and fibrous roots can absorb sufficient nutrients and water from the soil, and the tree can still be normal. However, on slopes or places where the soil is barren and the site conditions are poor, the root system lacking the main root cannot go deep into the soil or rock crevices, making it difficult for artificially transplanted saplings to survive or grow poorly, and this root system is harmful to trees. The supporting effect of the weight is also limited, and the trees are prone to toppling when encountering strong winds

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