Street tree planting method and tree hole structure

Abstract

The invention provides a street tree planting method, which includes the following steps: a. digging a tree hole at a place where a street tree is to be planted; b. paving a mixture of formulation soil and bluestone grains at the bottom of the tree hole to form a bottom layer, wherein the volume ratio of the formulation soil to the bluestone grains is 2: 8; c. arranging a planting device at the upper part of the bottom layer and paving a mixture of formulation soil and bluestone grains to form an intermediate layer, and reserving a planting pit for planting a street tree in the intermediate layer, wherein the planting device is positioned in the intermediate layer, and the volume ratio of the formulation soil to the bluestone grains is 5: 5; d. planting the street tree to be planted into the planting pit and filling the mixture of soil and bluestone grains with the volume ratio of 5: 5; and e. paving bluestone grains at the upper part of the intermediate layer to form an upper layer. The invention further provides a tree hole structure suitable for the planting method, the structure is beneficial to root respiration and absorption of water and fertilizers, and can provide a growthenvironment matched with street trees.

Description

technical field [0001] The invention relates to the field of street tree planting, in particular to a street tree planting method and a tree hole structure. Background technique [0002] Urban street trees are an important part of urban plants and play a pivotal role in urban ecosystems. As the medium for plant growth and the supplier of nutrients, the excellent characteristics of soil are the key factors for the good growth of street trees. In the prior art, street trees usually use a mixture of street soil and compost when they are planted. However, the inventors of the present application have found that due to the rolling of pedestrians or vehicles, the soil around the roots of street trees will be over-compacted, resulting in a decrease in soil porosity, an increase in bulk density, and a decrease in soil air permeability and water permeability. small, the penetration resistance of street tree roots increases; excessive soil compaction also reduces the contact area be...

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Problems solved by technology

[0004] In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a street tree planting method and tree hole structure, which is used to solve the problem of street tree root growth and elongation speed caused by the small porosity and poor water permeability and air permeability of the existing tree hole structure. slowing down, changes in root morphology, reduction in aboveground biomass of plants, shortening of leaf length, closure of leaf stomata, inhibition of photosynthesis, etc.

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