CN212164461U - Soil body structure for improving tree transplanting survival rate in land reclamation - Google Patents
Soil body structure for improving tree transplanting survival rate in land reclamation Download PDFInfo
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- CN212164461U CN212164461U CN202020577475.8U CN202020577475U CN212164461U CN 212164461 U CN212164461 U CN 212164461U CN 202020577475 U CN202020577475 U CN 202020577475U CN 212164461 U CN212164461 U CN 212164461U
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Abstract
The utility model provides an improve the soil body structure of trees transplantation survival rate in soil renovation, solve the lower problem of current trees transplantation survival rate in the soil renovation. The structure comprises a transplanting pit and a ventilation pipe; the transplanting pit is circular, and the diameter of the transplanting pit is 1.5-2 times of the diameter of the soil ball at the root of the transplanted tree; the middle part of the bottom surface of the transplanting pit is provided with a rectangular groove, the length of the rectangular groove is greater than the diameter of the soil ball at the root of the transplanted tree, and the width of the rectangular groove is less than the diameter of the soil ball at the root of the transplanted tree; a gravel layer and a sandy soil layer are sequentially arranged in the rectangular groove from bottom to top; a straw layer and a backfilled planting soil layer are sequentially arranged in the transplanting pit from bottom to top; the air permeability pipe is positioned outside the soil ball at the root of the transplanted tree, the top of the air permeability pipe extends out of the top surface of the backfilled planting soil layer, and the bottom of the air permeability pipe is contacted with the top surface of the straw layer.
Description
Technical Field
The utility model relates to a soil body structure that uses in the soil renovation, concretely relates to improve soil body structure of survival rate is transplanted to trees in the soil renovation.
Background
The existing land resources are in short supply, and land reclamation is an important means for increasing the cultivated land area and guaranteeing the grain safety. With the increasing requirements of the human society on ecological civilization construction, the engineering of farmland protection and ecological environment protection has become one of the important engineering contents of the project of land reclamation. The land improvement mainly comprises farmland protection forests, ladder ridge bank protection forests, road and ditch protection forests, bank protection forests and the like, and the tree transplantation occupies a very important position.
In the current stage of tree transplantation in land reclamation, generally, a transplantation pit is dug according to the diameter of a tree rod or the diameter of a soil ball, the transplanted tree is planted, and the soil is added to tread the ground for irrigation. However, there are the following problems: after the trees are transplanted, the water absorption function of the root system is weakened, the demand for soil moisture is small, the underground water level of part of the field is buried shallowly or the water content of the irrigated soil is too large, the air permeability of the soil is reduced, the respiration of the root system is inhibited, the rooting is not good, rotten roots can be caused to die seriously, and the survival rate of the trees is low.
SUMMERY OF THE UTILITY MODEL
In order to solve current trees transplantation in the soil renovation because the groundwater buried depth is more shallow or water the water content of back soil too big, restrain the breathing of root system, be unfavorable for the trees hairy root, can lead to mashed root death even for the lower technical problem of trees survival rate, the utility model provides an improve the soil body structure of trees transplantation survival rate in the soil renovation.
In order to achieve the above purpose, the utility model provides a technical scheme is:
a soil body structure for improving the survival rate of tree transplantation in soil remediation is characterized in that: comprises a transplantation pit and a ventilation pipe;
the transplanting pit is circular, and the diameter of the transplanting pit is 1.5-2 times of the diameter of a soil ball at the root of the transplanted tree;
the middle part of the bottom surface of the transplanting pit is provided with a rectangular groove, the length of the rectangular groove is greater than the diameter of the soil ball at the root of the transplanted tree, and the width of the rectangular groove is less than the diameter of the soil ball at the root of the transplanted tree;
a gravel layer and a sandy soil layer are sequentially arranged in the rectangular groove from bottom to top;
a straw layer and a backfilled planting soil layer are sequentially arranged in the transplanting pit from bottom to top;
the air permeability pipe is positioned outside the soil ball at the root of the transplanted tree, the top of the air permeability pipe extends out of the top surface of the backfilled planting soil layer, and the bottom of the air permeability pipe is in contact with the top surface of the straw layer.
Furthermore, the depth of the rectangular groove is 58-62 cm, and the thickness of the gravel layer is 38-42 cm;
the thickness of the straw layer is 3-5 cm.
Further, the gravel layer is composed of cobbles and/or broken stones with the diameter of less than or equal to 10 cm.
Further, the straw layer is composed of straws and/or corn stalks with the length less than or equal to 10 cm;
furthermore, 2 air permeability tubes are symmetrically arranged on the outer side of the soil ball at the root of the transplanted tree, and the extension line of the lower end of each air permeability tube is positioned in the rectangular groove.
Furthermore, a filter cloth is arranged at the bottom opening of the ventilation pipe.
Further, the filter cloth is a non-woven fabric.
Furthermore, a rooting agent is added into the backfilled planting soil layer.
Compared with the prior art, the utility model has the advantages that:
the utility model has the advantages that the rectangular groove is arranged on the bottom surface of the transplanting pit, and the gravel layer and the sandy soil layer are arranged in the rectangle, on one hand, the gravel layer filters out the water in the backfilled planting soil layer after irrigation; on the other hand, the soil at the root of the tree is looser, the root can permeate into the ground to freely develop, the root of the tree can absorb fresh air, nutrients and water, and the survival rate of the tree is improved; the straw layer is arranged at the bottom of the transplanting pit, the straw absorbs water, the temperature of the soil layer can be increased, nutrients required by the growth of the trees can be released after the straw is decomposed, and the survival rate of the trees is further improved; the permeability cell that sets up outside the transplanted trees root can provide sufficient air for the trees root system recovery stage to the respiratory of root system keeps the good gas permeability of soil, is favorable to sprouting and the growth of new root system. Therefore, the utility model discloses soil body structure can improve soil and ventilate and the moisture infiltration situation, can improve the survival rate of transplanting trees.
Drawings
FIG. 1 is a schematic cross-sectional view of a tree root soil ball planted in a soil structure of the present invention for improving tree transplantation survival rate in land reclamation;
FIG. 2 is a schematic plan view showing the cooperation of the transplanting pits, rectangular grooves and ventilation pipes in the soil mass structure for improving the survival rate of tree transplantation in land reclamation according to the present invention;
wherein the reference numbers are as follows:
1-transplanting pit, 2-rectangular groove, 3-gravel layer, 4-sand soil layer, 5-straw layer, 6-backfilling planting soil layer, 7-ventilation pipe and 8-transplanting tree root soil ball.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1 and 2, a soil structure for improving the survival rate of tree transplantation in soil remediation comprises a transplantation pit 1 and a ventilation pipe 7; the transplanting pit 1 is used for placing a transplanted tree root soil ball 8, is circular, has a diameter slightly larger than the transplanted tree root soil ball 8, and preferably has a diameter 1.5-2 times of the diameter of the transplanted tree root soil ball 8; the middle part of the bottom surface of the transplanting pit 1 is provided with a rectangular groove 2, the length of the rectangular groove 2 is greater than the diameter of the root soil ball 8 of the transplanted tree and less than the diameter of the transplanting pit 1, and the width of the rectangular groove 2 is less than the diameter of the root soil ball 8 of the transplanted tree; a gravel layer 3 and a sandy soil layer 4 are sequentially arranged in the rectangular groove 2 from bottom to top; a straw layer 5 and a backfilled planting soil layer 6 are sequentially arranged in the transplanting pit 1 from bottom to top; the air permeability tube 7 is positioned at the outer side of the soil ball 8 at the root of the transplanted tree, the top of the air permeability tube 7 extends out of the top surface of the backfilled planting soil layer 6, and the bottom of the air permeability tube is in contact with the top surface of the straw layer 5 and is communicated with the sandy soil layer 4.
The gravel layer 3 is composed of cobbles and/or broken stones with the diameter less than or equal to 10cm, and on one hand, the gravel layer 3 filters out moisture in the backfilled planting soil layer 6 after irrigation; on the other hand, the arrangement of the gravel layer 3 enables the soil at the bottom end of the root of the tree to be looser, the tree root can permeate into the ground to freely develop, fresh air, nutrients and moisture can be absorbed by the root of the tree, and the survival rate of the tree is improved.
The straw layer 5 is composed of straws and/or corn stalks with the length less than or equal to 10cm, the thickness is preferably 3-5 cm, the straws absorb water, the temperature of a soil layer can be increased, nutrients required by the growth of trees can be released after decomposition, and the survival rate of the trees is further improved.
2 air permeability cells 7 are made of PVC material, the pipe diameter is 8-10cm, the air permeability cells are symmetrically arranged on the outer side of the soil ball 8 at the root of the transplanted tree, and the extension line of the lower end of each air permeability cell 7 is positioned in the edge of the rectangular groove 2 in the length direction, so that the external air is communicated with the sand soil layer 4 through the air permeability cells 7. The bottom opening part of permeability cell 7 is equipped with the filter cloth, and the filter cloth can be the non-woven fabrics, and the top of permeability cell 7 extends the top surface of backfilling planting soil layer 6, and the bottom extends to the top surface of institute straw layer 5, and the lower extreme extension line of permeability cell 7 is located 2 length direction's of rectangular channel edge. The ventilation pipe 7 can provide sufficient air for the root system of the tree so as to facilitate the respiration of the root system and keep good air permeability of the soil, thereby being beneficial to the germination and growth of new root systems.
The embodiment also provides a tree transplanting method based on the soil body structure for improving the tree transplanting survival rate in land reclamation, which comprises the following steps:
1) digging a transplanting pit 1: the diameter of the transplanting pit 1 is 1.5-2 times of the diameter of the soil ball 8 at the root of the transplanted tree, and the depth of the transplanting pit 1 is slightly larger than the diameter of the soil ball at the root of the tree; piling the dug soil aside;
2) digging a rectangular groove 2: digging a rectangular groove 2 with the length equal to the diameter of the transplanting pit 1, the width of 30cm and the depth of about 60cm in the middle of the bottom surface of the transplanting pit 1 in the step 1);
3) building a gravel layer 3: filling cobbles and broken stones with the diameter not more than 10cm into the rectangular groove 2 to the depth of 40 cm;
4) constructing a sandy soil layer 4: filling coarse sand into the rectangular groove 2 until the bottom of the rectangular groove is flush with the bottom of the transplanting pit 1;
5) constructing a straw layer 5: paving straws on the bottom surface (the upper surface of the sandy soil layer 4) of the transplanting pit 1 to form a straw layer 5, wherein the straws are cut by straws or corn stalks, the length of the straws is not more than 10cm, and the thickness of the straw layer 5 is 3-5 cm;
6) transplanting trees: moving the soil ball 8 at the root of the transplanted tree into the transplanting pit 1 and locating at the middle part of the surface of the straw layer 5;
7) installing a ventilation pipe 7: choose the permeability cell 7 that length is greater than 1 degree of depth in hole of transplanting, permeability cell 7 is located the outside of transplanting trees root, and the bottom contacts with the top on straw layer 5 to be located the top of 2 length end portions of rectangular channel, can reduce the probability that permeability cell 7 blockked up.
8) Filling and backfilling a planting soil layer 6: uniformly scattering a rooting agent near the soil ball 8 at the root of the transplanted tree, and filling the soil dug out in the step 1) until the transplanting pit 1 is filled up and the root of the tree is completely covered;
in the soil filling process, the soil should be treaded once when the soil filling height is 20-30 cm, large soil blocks need to be broken, or the soil is tamped by a shovel, so that the root of the soil ball at the root of the tree is not damaged.
9) Watering: and (4) watering the transplanted trees every 3-5 days after the trees are transplanted, and thoroughly watering the trees once.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.
Claims (8)
1. The utility model provides an improve soil body structure of survival rate is transplanted to trees in soil renovation which characterized in that: comprises a transplantation pit (1) and a ventilation pipe (7);
the transplanting pit (1) is circular, and the diameter of the transplanting pit is 1.5-2 times of the diameter of the soil ball (8) at the root of the transplanted tree;
the middle part of the bottom surface of the transplanting pit (1) is provided with a rectangular groove (2), the length of the rectangular groove (2) is greater than the diameter of the root soil ball (8) of the transplanted tree, and the width of the rectangular groove is less than the diameter of the root soil ball (8) of the transplanted tree;
a gravel layer (3) and a sand layer (4) are sequentially arranged in the rectangular groove (2) from bottom to top;
a straw layer (5) and a backfilled planting soil layer (6) are sequentially arranged in the transplanting pit (1) from bottom to top;
the air permeability pipe (7) is positioned outside the soil ball (8) at the root of the transplanted tree, the top of the air permeability pipe (7) extends out of the top surface of the backfilled planting soil layer (6), and the bottom of the air permeability pipe is in contact with the top surface of the straw layer (5).
2. A soil structure for improving tree transplant survival in land reclamation as recited in claim 1 wherein: the depth of the rectangular groove (2) is 58-62 cm, and the thickness of the gravel layer (3) is 38-42 cm;
the thickness of the straw layer (5) is 3-5 cm.
3. A soil structure for improving tree transplant survival in land reclamation as recited in claim 2 wherein: the gravel layer (3) is composed of cobbles and/or broken stones with the diameter less than or equal to 10 cm.
4. A soil structure for improving tree transplant survival in land reclamation as recited in claim 3 wherein: the straw layer (5) is composed of straws and/or corn straws with the length less than or equal to 10 cm.
5. A soil structure for improving the survival rate of tree transplantation in land reclamation as recited in any one of claims 1 to 4 wherein: the number of the vent pipes (7) is 2, the vent pipes are symmetrically arranged on the outer side of the soil ball (8) at the root of the transplanted tree, and the extension line of the lower end of each vent pipe (7) is positioned in the rectangular groove (2).
6. A soil structure for improving tree transplant survival in land reclamation as recited in claim 5 wherein: and a filter cloth is arranged at the bottom opening of the ventilation pipe (7).
7. A soil structure for improving tree transplant survival in land reclamation as recited in claim 6 wherein: the filter cloth is non-woven fabric.
8. A soil structure for improving tree transplant survival in land reclamation as recited in claim 1 wherein: and a rooting agent is added into the backfilled planting soil layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577475.8U CN212164461U (en) | 2020-04-17 | 2020-04-17 | Soil body structure for improving tree transplanting survival rate in land reclamation |
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| CN202020577475.8U CN212164461U (en) | 2020-04-17 | 2020-04-17 | Soil body structure for improving tree transplanting survival rate in land reclamation |
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| CN212164461U true CN212164461U (en) | 2020-12-18 |
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| CN202020577475.8U Active CN212164461U (en) | 2020-04-17 | 2020-04-17 | Soil body structure for improving tree transplanting survival rate in land reclamation |
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