Afforestation structure and afforestation method applicable to rocky desertification regions

Abstract

The invention relates to the technical field of afforestation technology, in particular to an afforestation structure and an afforestation method applicable to rocky desertification regions. Drought-enduring seedlings of which roots are covered with seedling soil balls are selected, planting holes are dug at positions, with thickness greater than 20cm, of the soil layer, wherein the width of the volume of the planting holes is twice of that of the seedling soil balls, and the depth of the planting holes is 20cm. A lower dicranopteris pedata humus layer is laid at the bottom of each planting hole, the surface of the lower dicranopteris pedata humus layer is spread with a water retaining agent and compound fertilizer uniformly, the seeding soil ball is placed on the surface of the lower dicranopteris pedata humus layer, an upper dicranopteris pedata humus layer is filled to the surface of the lower dicranopteris pedata humus layer, the height of the upper dicranopteris pedata humus layeris a half of the height of the soil ball, the soil layer is filled to the upper dicranopteris pedata humus layer, the soil layer is provided with a groove, which is lower then the earth surface, at the tree trunk of the drought-enduring seedling, and the surface of the soil layer is covered with a plastic film. Under co-action of four-layer water retaining measures, water retaining, fertilizer supplementing and thermal insulation can be achieved, and accordingly, the planting survival rate of seedlings is increased.

Description

technical field [0001] The invention relates to the technical field of afforestation, in particular to an afforestation structure and an afforestation method suitable for rocky desertification areas. Background technique [0002] In the rocky desertification area, serious water and soil erosion leads to surface soil loss, exposed bedrock, thin soil layer, loss of agricultural use value of land, and degradation of ecological environment, which seriously affects the economic development of the area. The phenomenon of rocky desertification is mostly caused by human activities. Due to the continuous destruction of natural vegetation for a long time, large areas of steep slopes have been reclaimed, resulting in the bare surface, coupled with the strong erosion of heavy rains during the rainy season, and the rocks gradually become exposed after a large amount of water and soil erosion. Therefore, Rocky desertification occurs. The rocky desertification area has low environmental c...

AI Technical Summary

Problems solved by technology

[0002] Due to severe soil erosion in rocky desertification areas, the surface soil is lost, the bedrock is exposed, the soil layer is thin, the land loses its agricultural use value, and the ecological environment is degraded, which seriously affects the economic development of the area.

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