CN112673884A - Tree planting method and tree planting slurry used by same - Google Patents
Tree planting method and tree planting slurry used by same Download PDFInfo
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- CN112673884A CN112673884A CN202110056104.4A CN202110056104A CN112673884A CN 112673884 A CN112673884 A CN 112673884A CN 202110056104 A CN202110056104 A CN 202110056104A CN 112673884 A CN112673884 A CN 112673884A
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Abstract
The invention provides a method for planting trees and a tree planting slurry used by the method, wherein a channel (a grouting hole filled with the tree planting slurry) is established and constructed, through which the root system of the tree can grow rapidly and grow below a calcareous soil layer, so that the effect and the effect of absorbing the water of a clay layer and gradually curing the clay layer can be realized after the root system of the tree reaches below the calcareous soil layer, a condition is established for the autonomous growth of the tree, and the effect that the fast-growing tree can be grown and forested in about 6 to 8 years is achieved; also can realize the purpose of forestation after years of the tree species with good growth and long life. The tree planting slurry can use industrial waste liquid, has the advantages of easily obtained and easily obtained raw materials, simple preparation and regeneration and utilization of the industrial waste liquid, can lay a foundation for woodland formation of sand lands and diversification of grassland planting, can reduce the cost of sand prevention and sand fixation, and has great significance for ecological civilization and sustainable development.
Description
Technical Field
The invention belongs to the technical field of agriculture, and particularly relates to a tree planting method and tree planting slurry used by the same.
Background
In northwest China, such as inner Mongolia and other areas, a large amount of sand land and grassland exist, and the surface soil layer structures of the land mainly comprise: the upper surface soil layer is a sandy soil layer, a calcareous soil layer (namely calcareous soil layer soil) with the depth of about 1 m is arranged below the sandy soil layer, and a clay layer is arranged below the calcareous soil layer. The roots of the grass and the trees are difficult to penetrate through the calcareous layer soil of the soil layer structure, and in addition, the northern rainwater is less, the irrigation condition is poor, the trees planted on the sand land are difficult to survive and grow, and the current situation and the landform that grasslands and forests are not available are formed. Since the planting technique accumulated up to now (such as the soil covering by digging pit or the soil covering by digging pit and changing soil) is implemented on the land, the condition that the root system of the tree rapidly penetrates through the soil of the calcium layer to absorb the moisture and nutrients of the clay layer under the soil of the calcium layer cannot be constructed, the defects that the survival of the tree is difficult and the planting cannot be carried out economically and practically exist, in addition, a large amount of waste liquid is generated in the leaching method for preparing metals and the flue gas purification process (such as flue gas desulfurization and denitration purification treatment) in inner Mongolia and the like, the waste liquid usually contains ammonium sulfate aqueous solution, ammonium chloride aqueous solution, ammonium nitrate aqueous solution or calcium (magnesium) sulfate aqueous solution (the regeneration and utilization energy consumption in industry is high and the cost is high), therefore, if a tree planting material and a tree planting method which can use the waste liquid and aim at the structure of the land can be invented, the tree seedlings can easily survive after growing for several years, the root system of the tree can penetrate through the calcareous soil layer and reach the clay layer, so that the moisture of the clay layer is absorbed, the clay layer is gradually cured, and the effect and the purpose of providing nutrients for the root of the tree are further achieved, so that the survival and the growth conditions of the tree are greatly improved (particularly, the tree can naturally grow after being planted for 3 years), and the tree can be grown into lumber and forest if the planting life of the tree is 30-40 fast-growing trees for about 6 years; the superior trees with the planting life of hundreds of years can also be planted for years. The tree planting method can also be used for sand prevention and fixation, and overcomes the defects that the sand willow planted by sand prevention and fixation has short service life (only 7 years), and needs complicated 'stumping and rejuvenating' management and operation. Not only lays a foundation for woodland formation and grassland planting diversification of desert lands, but also can reduce the cost of sand prevention and sand fixation, and has great significance for ecological civilization and sustainable development.
Disclosure of Invention
The purpose of the invention is: in view of the above circumstances and the defects of the prior art, a tree planting slurry and a tree planting method are provided, which can utilize waste liquid (or secondary resources) such as calcium, magnesium sulfate aqueous solution, ammonium chloride aqueous solution, ammonium nitrate aqueous solution and the like, make saplings easy to survive, develop and grow, make root systems of trees penetrate through a calcareous soil layer and reach the depth of a clay layer, make the root systems of the trees reach the positions, not only can absorb moisture of the clay layer, but also can gradually cure the clay layer, can reduce the cost of sand prevention and sand fixation forests, and can lay a foundation for forestation of desert lands and planting diversification of grasslands.
The technical scheme of the invention is as follows: a method for planting trees is provided, which comprises the following steps:
the method comprises the following steps: digging a barrel-shaped tree pit on the ground surface of a planted tree, and drilling at least one vertical grouting hole at the bottom of the barrel-shaped tree pit, wherein the diameter of the grouting hole is not less than 40 mm; the depth of the grouting hole penetrates through the calcareous layer soil and reaches a clay layer below the calcareous layer soil;
step two: inserting the grouting pipes into the grouting holes one by one, enabling the lower ends of the grouting pipes to reach the bottoms of the grouting holes, and injecting the tree planting slurry into the grouting holes from the grouting pipes by using pressure injection equipment;
step three: after the tree planting slurry is injected and filled to the bottom of the grouting hole, the grouting is stopped when the slurry flows upwards and reaches the bottom of the barrel-shaped tree pit and completely covers the bottom surface of the barrel-shaped tree pit through the grouting hole and the pores and cracks of the calcareous layer soil;
step four: planting the sapling into the barrel-shaped tree pit, and enabling the sapling to be upright and to be in a proper position;
step five: restarting grouting until the barrel-shaped tree pit is filled with the tree planting slurry, pumping out the grouting pipe, and allowing the tree planting slurry to seep water in a static state until the wet and hard pulp paste can support the tree seedling to stand upright;
step six: and after the saplings are planted, performing conventional maintenance, irrigation and management.
A tree planting method is provided, the first step and the second step of the method are the same as the first step and the second step, and the subsequent steps are as follows:
step three: after the tree planting slurry is injected and filled to the bottom of the grouting hole, the tree planting slurry flows upwards and is filled into the barrel-shaped tree pit through the grouting hole and the pores and cracks of the calcareous layer soil, and the grouting is stopped after the barrel-shaped tree pit is filled with the slurry material;
step four: after the tree planting slurry in the barrel-shaped tree pit and the grouting hole is injected and filled by pressure, and the grouting pipe is drawn out, the tree planting slurry seeps water in a static state, and the water seepage time is not less than 12 hours;
step five: digging out a proper amount of materials in the barrel-shaped tree pit into the pit by adopting a conventional soil digging and covering type tree planting operation method when the soil moisture content of the filled barrel-shaped tree pit is proper, wherein the size of the pit is matched with that of the tree seedling, then planting the tree seedling, backfilling by using the taken-out materials, compacting the root of the tree seedling, and enabling the tree seedling to be upright;
step six: and after the saplings are planted, performing conventional maintenance, irrigation and management.
The pulp is a slurry material prepared by mixing and homogenizing a liquid material, an inorganic solid material and plant debris, wherein the liquid material is flue gas purification waste liquid, the flue gas purification waste liquid at least contains one or more of an ammonium sulfate aqueous solution, an ammonium chloride aqueous solution, an ammonium nitrate aqueous solution and calcium magnesium sulfate, the mass sum of the liquid material, the inorganic solid material and the plant debris is matched, the proportion of the liquid material to the total mass of the slurry material is not more than 50%, the proportion of the inorganic solid material to the total mass sum of the inorganic solid material and the plant debris is not less than 85%, and the proportion of the plant debris to the total mass sum of the inorganic solid material and the plant debris is not more than 15%.
The plant debris is the debris formed by crushing Salix psammophila branches, and the particle size of the debris of the Salix psammophila branches is not more than 3 mm.
The pH value of the liquid material is within the range of 5.5-8.0.
The inorganic solid material is formed by one or more of clay powder, sand powder and soil powder, the granularity of the sand powder is not more than 1.5mm, the granularity of the clay powder is not more than 3.0mm, and the granularity of the soil powder is not more than 8.0 mm.
The invention has the beneficial effects that: the invention can utilize the industrial waste liquid (or secondary resources such as calcium, magnesium sulfate aqueous solution, ammonium sulfate aqueous solution and the like) generated in the processes of metal preparation and flue gas purification (such as flue gas desulfurization, denitration purification treatment) and locally available raw materials, soil, clay or sandy soil and plant debris which can be locally available are adopted as the raw materials of the tree planting slurry, a simple and easy grouting mode is adopted to construct and establish the material and the channel for the root system of the tree to grow and develop to the calcareous soil layer, a good soil foundation is established for the survival, development and growth of the tree seedling, the root system of the tree is utilized to absorb the water of the clay layer and gradually cure the clay layer, and the purposes of forming the material and foresting can be realized for about 6 years; the purpose of afforestation of the tree species with good growth and long life can be achieved after years, the cost of sand prevention and sand fixation can be reduced, a foundation can be laid for woodland of sand land and grassland, and the ecological civilization and sustainable development significance are achieved.
Drawings
Fig. 1 is a schematic view of the soil layer structure of a planted tree.
FIG. 2 is a schematic view of the tree pit, the hole and the grouting pipe in the soil layer.
FIG. 3 is a schematic view of the filling slurry injected into the tree pit and the grouting hole.
FIG. 4 is a schematic view of the filling slurry of the tree planting slurry in two grouting holes according to the present invention.
FIG. 5 is a schematic view of a seedling after being planted in a tree well.
Wherein: 1 is a ground soil layer; 2 is calcareous subsoil under the ground soil layer; 3 is a clay layer below the calcareous layer soil; 4 is a grouting hole; 5 is a grouting pipe; 6 is a barrel-shaped tree pit; 7 is the filled tree planting pulp; 8 planting the sapling in the tree pit.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 to 5 show a method for planting trees, which comprises the following steps:
the method comprises the following steps: digging a barrel-shaped tree pit on the ground surface of a planted tree, and drilling at least one vertical grouting hole at the bottom of the barrel-shaped tree pit, wherein the diameter of the grouting hole is not less than 40 mm; the depth of the grouting hole penetrates through the calcareous layer soil and reaches a clay layer below the calcareous layer soil;
step two: inserting the grouting pipes into the grouting holes one by one, enabling the lower ends of the grouting pipes to reach the bottoms of the grouting holes, and injecting the tree planting slurry into the grouting holes from the grouting pipes by using pressure injection equipment;
step three: after the tree planting slurry is injected and filled to the bottom of the grouting hole, the grouting is stopped when the slurry flows upwards and reaches the bottom of the barrel-shaped tree pit and completely covers the bottom surface of the barrel-shaped tree pit through the grouting hole and the pores and cracks of the calcareous layer soil;
step four: planting the sapling into the barrel-shaped tree pit, and enabling the sapling to be upright and to be in a proper position;
step five: restarting grouting until the barrel-shaped tree pit is filled with the tree planting slurry, pumping out the grouting pipe, and allowing the tree planting slurry to seep water in a static state until the wet and hard pulp paste can support the tree seedling to stand upright;
step six: and after the saplings are planted, performing conventional maintenance, irrigation and management.
A tree planting method is provided, the first step and the second step of the method are the same as the first step and the second step, and the subsequent steps are as follows:
step three: after the tree planting slurry is injected and filled to the bottom of the grouting hole, the tree planting slurry flows upwards and is filled into the barrel-shaped tree pit through the grouting hole and the pores and cracks of the calcareous layer soil, and the grouting is stopped after the barrel-shaped tree pit is filled with the slurry material;
step four: after the tree planting slurry in the barrel-shaped tree pit and the grouting hole is injected and filled by pressure, and the grouting pipe is drawn out, the tree planting slurry seeps water in a static state, and the water seepage time is not less than 12 hours;
step five: digging out a proper amount of materials in the barrel-shaped tree pit into the pit by adopting a conventional soil digging and covering type tree planting operation method when the soil moisture content of the filled barrel-shaped tree pit is proper, wherein the size of the pit is matched with that of the tree seedling, then planting the tree seedling, backfilling by using the taken-out materials, compacting the root of the tree seedling, and enabling the tree seedling to be upright;
step six: and after the saplings are planted, performing conventional maintenance, irrigation and management.
The pulp is a slurry material prepared by mixing and homogenizing a liquid material, an inorganic solid material and plant debris, wherein the liquid material is flue gas purification waste liquid, the flue gas purification waste liquid at least contains one or more of an ammonium sulfate aqueous solution, an ammonium chloride aqueous solution, an ammonium nitrate aqueous solution and calcium magnesium sulfate, the mass sum of the liquid material, the inorganic solid material and the plant debris is matched, the proportion of the liquid material to the total mass of the slurry material is not more than 50%, the proportion of the inorganic solid material to the total mass sum of the inorganic solid material and the plant debris is not less than 85%, and the proportion of the plant debris to the total mass sum of the inorganic solid material and the plant debris is not more than 15%.
The plant debris is the debris formed by crushing Salix psammophila branches, and the particle size of the debris of the Salix psammophila branches is not more than 3 mm.
The pH value of the liquid material is within the range of 5.5-8.0.
The inorganic solid material is formed by one or more of clay powder, sand powder and soil powder, the granularity of the sand powder is not more than 1.5mm, the granularity of the clay powder is not more than 3.0mm, and the granularity of the soil powder is not more than 8.0 mm.
The first embodiment is as follows:
preparation before implementation of the invention:
(A) the soil layer structure is judged by exploring and measuring the area (certain grassland in the north of China) where the trees are planted (figure 1):
measuring the thickness of a ground soil layer and the thickness of calcareous layer soil, estimating the depth of a grouting hole, the insertion depth of a grouting pipe (figure 1, figure 2 and figure 3) and the like, and determining the grouting amount, the working parameters of a grouting machine and the like; finally determining the size of each tree planting barrel-shaped tree pit and the depth of the grouting hole;
(B) preparing raw materials:
860 kg of sandy soil powder with the granularity not more than 3.0mm is prepared, and 140 kg of chips with the granularity not more than 3.0mm are prepared by crushing fresh salix mongolica branches. Uniformly stirring the sand soil silve willow branch scraps, 400 kg of ammonium sulfate solution (with the pH value of 7.5) and 400 kg of calcium and magnesium sulfate solution (with the pH value of 6.8) serving as liquid transmitter agents in a stirring container to prepare tree planting slurry A with proper thickness;
(C) after the preparation, the embodiment is implemented as the following steps:
the method comprises the following steps: digging a barreled tree pit with the upper opening diameter of 50cm, the lower bottom diameter of 40cm and the depth of 70cm on the surface of a planted tree, drilling a vertical grouting hole with the diameter of 60mm at the bottom of the tree pit, wherein the depth of the grouting hole from the bottom of the barreled tree pit to the bottom is 1.2 m, and the grouting hole penetrates through calcareous layer soil and reaches 5cm in a clay layer;
step two: inserting a grouting pipe into the grouting hole, enabling the lower end of the grouting pipe to reach the bottom of the grouting hole, and performing pressure injection on the tree planting slurry A into the grouting hole through the grouting pipe by using pressure injection equipment;
step three: after the tree planting slurry A is injected and filled to the bottom of the grouting hole, the tree planting slurry A flows upwards and is filled into the barreled tree pit through a gap between the grouting pipe and the grouting hole and a crack of calcareous soil, and the grouting is stopped after the barreled tree pit is filled with the tree planting slurry A;
step four: after the barreled tree pit and the grouting hole are filled with the tree planting slurry A through pressure grouting, and the grouting pipe is drawn out, the tree planting slurry A seeps water in a static state, and the water seepage time is 68 hours;
repeating the four steps until the tree planting slurry A is completely used up, and creating 16 tree planting pits filled with the tree planting slurry;
step five: after the slurry in the planting pit is infiltrated with water and the soil moisture content is proper, planting one poplar seedling with the age of one year in each planting pit filled with the planting slurry;
step six: and (5) after the saplings are planted in the pits, performing conventional irrigation and maintenance management.
In the first embodiment, although the sandy soil powder is weak in fertility, the fresh plant debris is rotten and decomposed and provides organic matters for the material dehydrated by the slurry under the action of microorganisms; the ammonium sulfate aqueous solution, the calcium sulfate solution and the magnesium sulfate solution provide the fertility of the tree planting material, the water seepage process and the grouting material in the fourth step provide good soil moisture for the tree seedlings, so that the basic survival, development and growth good soil foundation of the survival of the tree seedlings is guaranteed, and meanwhile, a channel for the root systems of the tree seedlings to grow and develop downwards through the calcium layer soil is constructed and established.
Example two:
basic conditions of the operation parameters: soil layer construction (figure 1), measuring the thickness of ground soil layer and the thickness of calcareous layer soil, estimating the depth of a grouting hole, the insertion depth of a grouting pipe (figure 4) and the like, and determining the grouting amount, the working parameters of a grouting machine and the like; finally, the size of each tree planting barrel-shaped tree pit and the depth of the grouting hole are determined to be the same as those of the first embodiment.
855 kg of clay powder (clay below a calcareous layer soil layer) with the granularity of not more than 3.0mm is prepared, and 145 kg of scraps with the granularity of not more than 3.0mm are prepared by crushing fresh branches of salix psammophila. 855 kg of clay powder, 145 kg of salix mongolica dried fresh branch chips and 750 kg of liquid transmitter agent (wherein 400 kg of ammonium chloride aqueous solution, 250 kg of ammonium nitrate aqueous solution and 100 kg of ammonium sulfate aqueous solution) are stirred uniformly in a stirring container to prepare the tree planting slurry B.
After the preparation, the second embodiment is implemented as the following steps:
the method comprises the following steps: digging a barreled tree pit with the upper opening diameter of 80cm, the lower bottom diameter of 60cm and the depth of 70cm on the surface of a planted tree, drilling two upright grouting holes with the diameter of 80mm at the bottom of the tree pit, wherein the distance between the centers of the grouting holes is 25cm, the depth of the grouting holes from the bottom of the barreled tree pit to the bottom is 1.5m, and the grouting holes penetrate through calcareous layer soil and reach 5cm in a clay layer;
step two: inserting a grouting pipe into one grouting hole, enabling the lower end of the grouting pipe to reach the bottom of the grouting hole, and performing pressure injection on the tree planting slurry B into the grouting hole through the grouting pipe by using pressure injection equipment;
step three: after the tree planting slurry B is injected and filled to the bottom of the grouting hole, the tree planting slurry B flows upwards through the grouting hole and the pore and the crack of the calcareous layer and is filled into the barreled tree pit, and the barreled tree pit is filled with the tree planting slurry B and then stops grouting;
step four: planting the paper mulberry seedling into the barrel-shaped tree pit, and enabling the paper mulberry seedling to be upright and in a proper position;
step five: restarting grouting until the barrel-shaped tree pit is filled with the powder for tree planting, pumping out the grouting pipe, and allowing the powder for tree planting to seep water in a static state until the wet hardness of the paste enables the Chinese holly seedling to stand upright;
step six: and after the seedlings of the paper mulberry are well planted, performing conventional maintenance, irrigation and management.
Example two 14 hybrid paper mulberry trees are grown in the same year, and the branches of the paper mulberry trees are cut off flatly before overwintering (the lowest temperature is higher than minus 10 ℃). The leaves of the paper mulberry are harvested by a machine in the spring of 2 years and used as green feed, before overwintering, the branches are cut off flatly and then mulching films and straws (hay) are used for covering tree planting pits (the lowest temperature is lower than minus 15 ℃), in the spring of 3 years, the leaves of the paper mulberry are harvested by a machine and used as green feed, the branches of the paper mulberry are cut off flatly in the overwintering (anti-freezing measures are taken), and the root system of the paper mulberry in the autumn of 3 years extends into a clay layer below calcareous soil.
In the second embodiment, under the conventional irrigation and maintenance, the paper mulberry tree grows autonomously after 4 years, under the conventional management, leaves and strips of the paper mulberry tree are harvested by machine selection as green feed, and the effects of grassland tree planting and green feed providing are realized.
Example three:
in the third embodiment, the inorganic solid material is composed of clay powder and sand powder, the other materials and conditions are the same as those in the second embodiment, the steps are the same as those in the second embodiment, the survival condition of the two-year-old poplar seedling is the same as that in the second embodiment, and the growth condition of the seedling and the root system development condition are better than those in the second embodiment.
Example four:
the inorganic solid material consists of sandy soil powder and soil powder, the other materials and conditions are the same as those in the first embodiment, the steps are the same as those in the first embodiment, the annual poplar seedling is used, the survival condition is the same as that in the first embodiment, and the growth condition of the seedling and the development condition of the root system are better than that in the first embodiment.
Compared with the conventional tree planting method, the invention establishes and constructs the channel (the grouting hole filled with the tree planting slurry) through which the root system of the tree can grow and develop below the calcareous soil layer quickly, realizes the function and effect that the root system of the tree can absorb the water in the clay layer and can gradually cure the clay layer, creates better conditions for the root system of the tree to develop and grow deeply in the stratum after 3 years, can grow autonomously after 3 years, and can realize the purpose of growing and forestation of the fast-growing tree species for about 6-8 years. The invention has the advantages of easily obtained and easily obtained raw materials, simple preparation and regeneration and utilization of industrial waste liquid, can lay a foundation for woodland and grassland planting diversification of sand lands, can reduce the cost of sand prevention and sand fixation, and has great significance for ecological civilization and sustainable development.
Claims (6)
1. A method for planting trees is characterized in that:
the method comprises the following steps: digging a barrel-shaped tree pit on the ground surface of a planted tree, and drilling at least one vertical grouting hole at the bottom of the barrel-shaped tree pit, wherein the diameter of the grouting hole is not less than 40 mm; the depth of the grouting hole penetrates through the calcareous layer soil and reaches a clay layer below the calcareous layer soil;
step two: inserting the grouting pipes into the grouting holes one by one, enabling the lower ends of the grouting pipes to reach the bottoms of the grouting holes, and injecting the tree planting slurry into the grouting holes from the grouting pipes by using pressure injection equipment;
step three: after the tree planting slurry is injected and filled to the bottom of the grouting hole, the grouting is stopped when the slurry flows upwards and reaches the bottom of the barrel-shaped tree pit and completely covers the bottom surface of the barrel-shaped tree pit through the grouting hole and the pores and cracks of the calcareous layer soil;
step four: planting the sapling into the barrel-shaped tree pit, and enabling the sapling to be upright and to be in a proper position;
step five: restarting grouting until the barrel-shaped tree pit is filled with the tree planting slurry, pumping out the grouting pipe, and allowing the tree planting slurry to seep water in a static state until the wet and hard pulp paste can support the tree seedling to stand upright;
step six: and after the saplings are planted, performing conventional maintenance, irrigation and management.
2. A method of planting trees comprising steps one and two of claim 1, wherein:
step three: after the tree planting slurry is injected and filled to the bottom of the grouting hole, the tree planting slurry flows upwards and is filled into the barrel-shaped tree pit through the grouting hole and the pores and cracks of the calcareous layer soil, and the grouting is stopped after the barrel-shaped tree pit is filled with the slurry material;
step four: after the tree planting slurry in the barrel-shaped tree pit and the grouting hole is injected and filled by pressure, and the grouting pipe is drawn out, the tree planting slurry seeps water in a static state, and the water seepage time is not less than 12 hours;
step five: digging out a proper amount of materials in the barrel-shaped tree pit into the pit by adopting a conventional soil digging and covering type tree planting operation method when the soil moisture content of the filled barrel-shaped tree pit is proper, wherein the size of the pit is matched with that of the tree seedling, then planting the tree seedling, backfilling by using the taken-out materials, compacting the root of the tree seedling, and enabling the tree seedling to be upright;
step six: and after the saplings are planted, performing conventional maintenance, irrigation and management.
3. A tree-planting paste for use in a method of growing trees according to any one of claims 1 to 2, wherein: the slurry is a slurry material prepared by mixing and homogenizing a liquid material, an inorganic solid material and plant debris, wherein the liquid material is flue gas purification waste liquid, the flue gas purification waste liquid at least contains one or more of a sulfuric acid ammonium solution, an ammonium chloride aqueous solution, an ammonium nitrate aqueous solution and calcium magnesium sulfate, the liquid material is matched with the inorganic solid material and the plant debris in sum by mass, the liquid material accounts for not more than 50% of the total mass of the slurry material, the inorganic solid material accounts for not less than 85% of the total mass of the inorganic solid material and the plant debris, and the plant debris accounts for not more than 15% of the total mass of the inorganic solid material and the plant debris.
4. A slurry for tree planting according to claim 3, wherein: the plant debris is the debris formed by crushing Salix psammophila branches, and the particle size of the debris of the Salix psammophila branches is not more than 3 mm.
5. A slurry for tree planting according to claim 3, wherein: the pH value of the liquid material is within the range of 5.5-8.0.
6. A slurry for tree planting according to claim 3, wherein: the inorganic solid material is formed by one or more of clay powder, sand powder and soil powder, the granularity of the sand powder is not more than 1.5mm, the granularity of the clay powder is not more than 3.0mm, and the granularity of the soil powder is not more than 8.0 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110056104.4A CN112673884A (en) | 2021-01-15 | 2021-01-15 | Tree planting method and tree planting slurry used by same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110056104.4A CN112673884A (en) | 2021-01-15 | 2021-01-15 | Tree planting method and tree planting slurry used by same |
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Application publication date: 20210420 |