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Root guiding and seedling raising method of arbor species for roof greening

A roof greening and arbor technology, applied in the field of horticulture, can solve the problems that the thickness of the roof planting soil cannot be increased without limit, and the effect of the roof greening landscape is discounted, so as to achieve the effect of improving the construction level and enriching the landscape effect

Inactive Publication Date: 2013-04-17
SHANGHAI INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the roof of a building has a certain load-bearing range, the thickness of the roof planting soil cannot be increased without limit, and most trees and shrubs have deep root systems and cannot be directly planted in the thinner soil on the roof, which greatly reduces the effect of roof greening landscape.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of root-directing seedling raising method for arbor tree species used for roof greening, specifically comprises the following steps:

[0027] (1), make the root resistance board

[0028] Choose a PVC plastic plate with holes of 0.3cm thick, with a hole diameter of 0.1cm and a hole density of 25 pcs / m 2 , evenly distributed, the plastic plate is cut into a square sheet with a side length of 30cm;

[0029] (2), screening seedlings

[0030] In the nursery, choose the local greening trees with a root diameter of 5 cm as seedlings, and the rhizosphere soil of the seedlings is preferably clay or sticky loam, and there are no other seedlings or obstacles within 1.5m around the seedlings, which is convenient for seedling handling;

[0031] (3), mark

[0032] During November every year, use lime to mark a 30cm square with the root of the seedling selected in step (2) as the center, and smash into stakes at the four corners as a long-term mark;

[0033] (4), broken roo...

Embodiment 2

[0042] A kind of root-directing seedling raising method for arbor tree species used for roof greening, specifically comprises the following steps:

[0043] (1), make the root resistance board

[0044] Choose a PVC plastic plate with holes of 0.4cm thick, with a hole diameter of 0.2cm and a hole density of 49 pcs / m 2 , evenly distributed, the plastic plate is cut into a square sheet with a side length of 40cm;

[0045] (2), screening seedlings

[0046] In the nursery, select the local greening tree with a root diameter of 8 cm as the seedling, and the rhizosphere soil of the seedling is preferably clay or sticky loam, and there are no other seedlings or obstacles within the range of 1.8m around the seedling, which is convenient for seedling processing;

[0047] (3), mark

[0048] In January of each year, take the root of the seedling selected in step (2) as the center, mark a 40cm square with lime, and smash into stakes at the four corners as a long-term mark;

[0049] (4),...

Embodiment 3

[0059] A kind of root-directing seedling raising method for arbor tree species used for roof greening, specifically comprises the following steps:

[0060] (1), make the root resistance board

[0061] Use a 0.5cm thick PVC plastic plate with holes, the hole diameter is 0.3cm, and the hole density is 100 / m 2 , evenly distributed; the plastic plate is cut into a square sheet with a side length of 50 cm;

[0062] (2), screening seedlings

[0063] In the nursery, choose the local greening tree with a root diameter of 10 cm as the seedling, and the rhizosphere soil of the seedling is preferably clay or sticky loam, and there are no other seedlings or obstacles within 2.0 m around the seedling, which is convenient for seedling handling;

[0064] (3), mark

[0065] During February every year, center on the root of the seedlings selected in step (2), mark a 50cm square with lime, and smash into stakes at the four corners as a long-term mark;

[0066] (4), broken root

[0067] Use...

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Abstract

The invention discloses a root guiding and seedling raising method of arbor species for roof greening. The method includes eight steps: manufacturing root resistance plates; screening seedlings; marking; cutting off bottom roots; placing the root resistance plates; cutting off side roots; fixing the seedlings; and lifting the seedlings and planting to finally obtain the arbor species with the soil ball diameter ranging from 40cm to 60cm for roof greening. The special seedlings suitable for roof greening are cultivated by guiding the seedling roots of the arbor species to extend along the horizontal direction during seedling raising, the seedlings are used for roof greening after transplanted, the method solves the problem of difficulty in plating large arbor species due to roof bearing limitation and shallow planter soil, so that roof greening construction level is improved, and roof greening landscape effects are enriched.

Description

technical field [0001] The invention relates to a root-guiding seedling raising method for arbor tree species used for roof greening, and belongs to the technical field of horticulture. Background technique [0002] Landscaping plays an irreplaceable role in improving the quality of urban environment, but the land for urban greening is extremely limited. Therefore, people have gradually changed the traditional greening method of planting on the ground, turned their attention to the sky, and started the exploration and practice of three-dimensional greening. Among them, the top of large-scale buildings has become the first choice for greening workers. However, since the roof of a building has a certain load-bearing range, the thickness of the roof planting soil cannot be increased without limit, and most trees and shrubs have deep root systems and cannot be directly planted in the thinner roof soil, which greatly reduces the effect of roof greening landscape. The present in...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G9/10
Inventor 韩建秋周玉梅汤斯洋张妙玲
Owner SHANGHAI INSTITUTE OF TECHNOLOGY