CN102388694A - Method and plant pit for planting trees and saving degradation trees in arid and semiarid lands - Google Patents
Method and plant pit for planting trees and saving degradation trees in arid and semiarid lands Download PDFInfo
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Abstract
The invention discloses a method for planting trees and saving degradation trees in arid and semiarid lands, comprising the following steps: (1) detecting the underwater content in the areas needing to plant the trees and the areas with degradation trees; (2) correspondingly arranging a plant pit in the areas needing to plant the trees and the areas with degradation trees; (3) arranging a water conservation area in the middle part of the plant pit; (4) arranging an arch ring-shaped concave surface at the peripheral area of the water conservation area; (5) uniformly spraying sand-fixing agent on the surface of the arch ring-shaped concave surface to form a consolidation layer; and (6) uniformly spraying hydrophobic agent on the surface of the consolidation layer to form a hydrophobic layer. The invention further discloses a plant pit for planting the trees and saving the degradation trees in the arid and semiarid lands. The invention can collect and supply rainwater to the roots of the plants to reduce the evaporation capacity of underwater, can effectively prevent the movement of the sand and soil at the four sides of the trees, and can slowly release the evaporation of water. The invention not only improves the survival rate of planting the trees in the arid and semiarid lands, but also saves the tree degradation phenomenon caused by water shortage, so it has large popularization and utilization values.
Description
Technical field
The invention belongs to plant cultivating and method for recovering vegetation, relate in particular to a kind of in arid, the semiarid zone plants trees and save method and the plant pit of degeneration trees.
Background technology
Arid, semiarid zone are meant the area of precipitation less than evaporation discharge, and China is arid, the semiarid zone is vast in territory, and natural conditions are poor, and are underdeveloped, and ecotope is very fragile.For a long time, the greening problem in this type area is the emphasis of China's territory greening, also is the difficult point of territory greening.Along with variation, the minimizing of precipitation, the lengthening in arid cycle of weather, arid, the phreatic a large amount of evaporations in semiarid zone cause arid, semiarid zone to be prone to land deterioration.Because the soil lacks moisture and nutrient, plant can't normal growth; Under the situation that lacks vegetation protection; Exposed ground is corroded and water and soil loss by dust storm very easily, and moisture and nutrient further run off in the soil thereby make, and land deterioration finally takes place; Formation is as the view as the desert; So, the arid, planting trees in the semiarid zone and saves the degeneration trees, has positive effect to preventing desertification of land.
Summary of the invention
The object of the present invention is to provide a kind of have rainwater harvesting and the phreatic evaporation discharge of minimizing, prevent that sandy soil from moving, the method for the arid of slowly-releasing moisture effect, semiarid zone tree planting and redemption degeneration trees.
Another object of the present invention is to provide a kind of and have rainwater harvesting and reduce phreatic evaporation discharge, prevent that sandy soil from moving, the plant pit of the arid of slowly-releasing moisture effect, semiarid zone tree planting and redemption degeneration trees.
For realizing first purpose, the technical scheme that the present invention takes is:
The method of a kind of arid, semiarid zone tree planting and redemption degeneration trees may further comprise the steps:
1. in the zone of needs tree planting or the zone of degeneration trees, measure phreatic content;
2. in the zone of needs tree planting or the zone of degeneration trees plant pit is set accordingly; When underground water content is 2.0～5.0%, plant pit excircle radius is 2.5～3.5m; When underground water content is 5.0～8.0%, plant pit excircle radius is 1.5～2.5m;
3. at the middle part of said plant pit the water conservation district is set, said water conservation district comprises the sandy soil buried regions of root system district and top, root system district;
During tree planting: plant into trees at the middle part of said plant pit according to prior art; After water-loss reducer or water-loss reducer and sandy soil are pressed 1:3～5 mixs; The root that evenly is sprinkling upon said trees forms the root system district on every side, above said root system district, covers whole root systems with sandy soil and forms the sandy soil buried regions; Water primary water in arid, semiarid area after planting trees, need not later on to water; If do not rain always, need carry out artificial recharge, every two weeks or month be one-period;
When saving the degeneration trees: move degeneration trees ' root sandy soil on every side; The root that as far as possible exposes said degeneration trees; Prevent that too much root system is by sliding trackle; After water-loss reducer or water-loss reducer and sandy soil are pressed 1:3～5 mixs, form the root system district around evenly being sprinkling upon the roots of said degeneration trees, above said root system district, cover and bury whole root systems and form the sandy soil buried regions with sandy soil; Remedial measure waters primary water after implementing, and need not later on to water, and leans on natural precipitation;
4. outer peripheral areas is provided with the circular arc loop concave along said water conservation district, and the compacting of clapping, and the formed inclination angle of line of any is 10～20 ° on the tangent line of the concave surface minimum point of said circular arc loop concave and point of contact and the plant pit excircle; Said water conservation district is positioned at the bottom of said circular arc loop concave;
5. sand-consolidating agent evenly is sprayed at the surface of said circular arc loop concave, said sand-consolidating agent is penetrated into the bonding course that formation has certain intensity in the sandy soil fully;
6. water-repelling agent evenly is sprayed at the surface of said bonding course, forms hydrophobic layer.
For realizing second purpose, the technical scheme that the present invention takes is:
The plant pit of a kind of arid, semiarid zone tree planting and redemption degeneration trees; The trees that comprise the plant pit middle part; The periphery of said trees is provided with the water conservation district, and said water conservation district comprises the sandy soil buried regions by root formed root system district that evenly is sprinkling upon said trees behind water-loss reducer or water-loss reducer and the sandy soil mix and top, root system district; Outer peripheral areas is provided with the circular arc loop concave along said water conservation district, and said water conservation district is positioned at the bottom of said circular arc loop concave; Be provided with bonding course, hydrophobic layer from the bottom to top successively along said circular arc loop concave.
Said plant pit excircle radius is 1.5～3.5m; Said sandy soil buried regions is to be the circular zone of 2.0～5.0cm apart from the trunk appearance, and the formed inclination angle of line of any is 10～20 ° on the tangent line of the concave surface minimum point of said circular arc loop concave and point of contact and the plant pit excircle.
Method and the plant pit of arid provided by the invention, semiarid zone tree planting and redemption degeneration trees; Hydrophobic layer through being provided with is supplied with rainwater harvesting trees ' root and is reduced phreatic evaporation discharge; The layer that fixes the sand through being provided with effectively prevents trees moving of sandy soil on every side; Through the volatilization of the water conservation district slowly-releasing moisture that is provided with, not only can improve the survival rate that arid, semiarid zone are planted trees, can also save the existing trees degradation phenomena that causes because of water shortage; Be a kind of comprehensive water-saving planting technology, have very big utilization and extention and be worth.
Description of drawings
Fig. 1 is the plant pit structural representation that the present invention is used to plant trees.
Fig. 2 is the plant pit structural representation that the present invention is used to save the degeneration trees.
Among the figure: 1-hydrophobic layer, 2-bonding course, 3-water conservation district, 4-trees, 4 '-degeneration trees, 5-sandy soil, 6-circular arc loop concave, R-plant pit excircle radius, a-inclination angle.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing thereof the present invention is described further.
As depicted in figs. 1 and 2, a kind of arid provided by the invention, semiarid zone are planted trees and are saved the plant pits of degeneration trees, comprise the trees 4,4 ' at plant pit middle part, and plant pit excircle radius R is 1.5～3.5m.Trees 4,4 ' periphery are provided with water conservation district 3; Water conservation district 3 comprises by evenly being sprinkling upon trees 4,4 ' root formed root system district and the sandy soil buried regions of top, root system district behind water-loss reducer (white circle among Fig. 1, Fig. 2) or water-loss reducer and the sandy soil mix, and the sandy soil buried regions is to be the circular zone of 2.0～5.0cm apart from trunk 4,4 ' appearance.3 outer peripheral areas form circular arc loop concave 6 with instrument with the compacting of clapping of the sandy soil on the concave surface along the water conservation district; The formed inclination angle a of the line of any is 10～20 ° on the tangent line of the concave surface minimum point of circular arc loop concave 6 and point of contact and the plant pit excircle, and water conservation district 3 is positioned at the bottom of circular arc loop concave 6.Be provided with bonding course 2, hydrophobic layer 1 from the bottom to top successively along circular arc loop concave 6.Bonding course 2 is formed by the surface that sand-consolidating agent evenly is sprayed at circular arc loop concave 6, and hydrophobic layer 1 is formed by the surface that water-repelling agent evenly is sprayed at bonding course 2.
Embodiment one: the method that arid, semiarid zone plant trees
Method as shown in Figure 1, that arid, semiarid zone plant trees, its concrete steps are following:
1. in the zone that needs are planted trees, using the neutron soil moisture measuring instrument to record this regional underground water content is 2%.When underground water content is big, plant pit can be built a little bit smaller; When underground water content is few, plant pit can suitably be built more greatly.
2. according to measured underground water content, adopt manual work or mechanical way to move sandy soil, form the plant pit that the excircle radius R is 3.5m in the zone that needs are planted trees.
3. at the middle part of plant pit, plant into trees 4 according to prior art.With B99-1 type chemical agent for planting grass to fixate sand and the 90g sandy soil mix of 30g, the root that evenly is sprinkling upon trees 4 forms the root system district on every side, and the root with sandy soil covering trees 4 above the root system district forms the sandy soil buried regions, accomplishes tree planting work.Root system district and sandy soil buried regions constitute water conservation district 3, and the sandy soil buried regions is to be the circular zone of 2.5cm apart from trunk 4 appearances.
The usage amount of water-loss reducer generally is directly proportional with the underground water content of measurement, and according to the water absorbent rate of water-loss reducer, the water-loss reducer that water absorbent rate is high can suitably reduce usage amount, and the water-loss reducer that water absorbent rate is low can suitably increase usage amount.
Water primary water in arid, semiarid area after planting trees, need not later on to water.If do not rain always, need carry out artificial recharge, every two weeks or month be one-period.
4. along the outer peripheral areas in water conservation district 3; As far as possible the compacting of clapping of the sandy soil of plant pit inner concave is formed circular arc loop concave 6 with instrument; The formed inclination angle a of the line of any is 10 ° on the tangent line of circular arc loop concave 6 concave surface minimum points and point of contact and the plant pit excircle, and water conservation district 3 is positioned at the bottom of circular arc loop concave 6.
5. according to 120 g/m
2The solid dosage; Adding water, to be mixed with mass percent concentration be 1% polyvinyl alcohol, evenly sprays along the surface of circular arc loop concave 6, and the polyvinyl alcohol sand-consolidating agent is penetrated into fully and forms bonding course 2 in the sandy soil; The compression strength of bonding course 2 is 2.2MPa, and sticking equal power is 350KPa.Bonding course 2 can prevent that near the sandy soil the trees 4 from moving, and creates a more stable environment for the growth of trees 4.
6. press solid dosage 50g/m
2, adding water, to be mixed with mass percent concentration be 1.5% fluorine carbon emulsion, evenly sprays along the surface of bonding course 2, forms the fine and close hydrophobic layer 1 of one deck on the surface of bonding course 2, the thickness of hydrophobic layer 1 is 1.0mm.By the hydrophobic effect of hydrophobic layer 1, hydrophobic layer 1 arrives the water conservation district 3 at plant pit middle part with rainwater harvesting when raining, and flows to the root system district of trees 4; In addition; Hydrophobic layer 1 can also intercept phreatic evaporation; The moisture that rainwater that B99-1 type chemical agent for planting grass to fixate sand absorption storage in the water conservation district 3 is permeated and underground evaporation come up; And, can make full use of the water resource of arid, semiarid zone like this along with the slow-release function of B99-1 type chemical agent for planting grass to fixate sand discharges moisture supply trees 4, improve the survival rate of trees.
Embodiment two: the method that arid, semiarid zone plant trees
Method as shown in Figure 1, that arid, semiarid zone plant trees, its concrete steps are following:
1. in the zone that needs are planted trees, using the neutron soil moisture measuring instrument to record this regional underground water content is 5%.
2. according to measured underground water content, adopt manual work or mechanical way to move sandy soil, form the plant pit that the excircle radius R is 2.5m in the zone that needs are planted trees.
3. at the middle part of plant pit; Plant into trees 4 according to prior art, with agricultural water-loss reducer and the 300g sandy soil mix of 75g, the root that evenly is sprinkling upon trees 4 forms the root system district on every side; Root with sandy soil covering trees 4 above the root system district forms the sandy soil buried regions, accomplishes tree planting work.Root system district and sandy soil buried regions constitute water conservation district 3, and the sandy soil buried regions is to be the circular zone of 3.5cm apart from trunk 4 appearances.
4. 3 outer peripheral areas along the water conservation district form circular arc loop concave 6 with instrument with the compacting of clapping of the sandy soil of plant pit inner concave as far as possible, and the formed inclination angle a of the line of any is 15 ° on the tangent line of the concave surface minimum point of circular arc loop concave 6 and point of contact and the plant pit excircle.Water conservation district 3 is positioned at the bottom of circular arc loop concave 6.
5. according to 75g/m
2The solid dosage; Adding water, to be mixed with mass percent concentration be 1.0% polyacrylamide, evenly sprays along the concave surface of circular arc loop concave 6, and the polyacrylamide sand-consolidating agent is penetrated into fully and forms bonding course 2 in the sandy soil; The compression strength of bonding course 2 is 1.6MPa, and sticking equal power is 300KPa.Bonding course 2 can prevent that near the sandy soil the trees 4 from moving, and creates a more stable environment for the growth of trees 4.
6. press solid dosage 30g/m
2, adding water, to be mixed with mass percent concentration be 1.5% pure-acrylic emulsion, evenly sprays along the surface of bonding course 2, forms the fine and close hydrophobic layer 1 of one deck on the surface of bonding course 2, the thickness of hydrophobic layer 1 is 0.7mm.By the hydrophobic effect of hydrophobic layer 1, hydrophobic layer 1 arrives the water conservation district 3 at plant pit middle part with rainwater harvesting when raining, and flows to the root system district of trees 4; In addition; Hydrophobic layer 1 can also intercept phreatic evaporation; The moisture that rainwater that agricultural water-loss reducer absorption storage in the water conservation district 3 is permeated and underground evaporation come up; And, can make full use of the water resource of arid, semiarid zone like this along with the slow-release function of agricultural water-loss reducer discharges moisture supply trees 4, improve the survival rate of trees.
Embodiment three: the method that arid, semiarid zone plant trees
Method as shown in Figure 1, that arid, semiarid zone plant trees, its concrete steps are following:
1. in the zone that needs are planted trees, using the neutron soil moisture measuring instrument to record this regional underground water content is 7%.
2. according to measured underground water content, adopt manual work or mechanical way to move sandy soil, form the plant pit that the excircle radius R is 1.5m in the zone that needs are planted trees.
3. at the middle part of plant pit; Plant into trees 4 according to prior art, with agricultural water-loss reducer and the 600g sandy soil mix of 120g, the root that evenly is sprinkling upon trees 4 forms the root system district on every side; Root with sandy soil covering trees 4 above the root system district forms the sandy soil buried regions, accomplishes tree planting work.Root system district and sandy soil buried regions constitute water conservation district 3, and the sandy soil buried regions is to be the circular zone of 4.5cm apart from trunk 4 appearances.
4. along the outer peripheral areas in water conservation district 3; As far as possible the compacting of clapping of the sandy soil of plant pit inner concave is formed circular arc loop concave 6 with instrument,, the formed inclination angle a of line of any is 20 ° on the tangent line of the concave surface minimum point of circular arc loop concave 6 and point of contact and the plant pit excircle.Water conservation district 3 is positioned at the bottom of circular arc loop concave 6.
5. according to 30g/m
2The solid dosage; Adding water, to be mixed with mass percent concentration be 2% water glass solution, evenly sprays along the concave surface of circular arc loop concave 6, and the polyacrylamide sand-consolidating agent is penetrated into fully and forms bonding course 2 in the sandy soil; The compression strength of bonding course 2 is 1.25MPa, and sticking equal power is 260KPa.Bonding course 2 can prevent that near the sandy soil the trees 4 from moving, and creates a more stable environment for the growth of trees 4.
6. press solid dosage 10g/m
2, adding water, to be mixed with mass percent concentration be 1% silicone oil, along the surface of bonding course 2 evenly, forms the fine and close hydrophobic layer 1 of one deck on the surface of bonding course 2, the thickness of hydrophobic layer 1 is 0.4mm.By the hydrophobic effect of hydrophobic layer 1, hydrophobic layer 1 arrives the water conservation district 3 at plant pit middle part with rainwater harvesting when raining, and flows to the root system district of trees 4; In addition; Hydrophobic layer 1 can also intercept phreatic evaporation; The moisture that rainwater that agricultural water-loss reducer absorption storage in the water conservation district 3 is permeated and underground evaporation come up; And, can make full use of the water resource of arid, semiarid zone like this along with the slow-release function of agricultural water-loss reducer discharges moisture supply trees 4, improve the survival rate of trees.
Adopt method provided by the invention, the sacsaoul pilot forest on two mu of ground has been set up in the blue clay lake in the Minqin, and through six months investigation, trees grew fine, and survival rate reaches 85%, according to original height, balanced growth 20cm.
Embodiment four: the method for degeneration trees is saved in arid, semiarid zone
As shown in Figure 2, the trees when arid, semiarid zone degradation phenomena occurs because of water shortage, in order to save arid, semiarid desert degeneration trees such as sacsaoul woods, can take following steps:
1. in the zone of degeneration trees sacsaoul 4 ', using the neutron soil moisture measuring instrument to record this regional underground water content is 2%.
2. according to measured underground water content, form the plant pit that the excircle radius R is 3.0m in the zone of degeneration trees sacsaoul.
3. at the middle part of plant pit, move the peripheral sandy soil of sacsaoul root 4 ' root, expose the root of trees 4 ' as far as possible with manual type; But prevent that too much sacsaoul root system is by sliding trackle; With B99-1 type chemical agent for planting grass to fixate sand and the 300g sandy soil mix of 75g, the root that evenly is sprinkling upon degeneration trees 4 ' forms the root system district on every side, above the root system district, with sandy soil root system is all covered; Form the sandy soil buried regions, accomplish tree planting work.Root system district and sandy soil buried regions constitute water conservation district 3, and the sandy soil buried regions is to be the circular zone of 3.5cm apart from trunk 4 appearances.
4. in plant pit; 3 outer peripheral areas along the water conservation district; As far as possible with instrument the compacting of clapping of the sandy soil of plant pit inner concave is formed circular arc loop concave 6, the formed inclination angle a of the line of any is 10 ° on the tangent line of the concave surface minimum point of circular arc loop concave 6 and point of contact and the plant pit excircle.Water conservation district 3 is positioned at the bottom of circular arc loop concave 6.
5. according to 100g/m
2The solid addition; Adding water, to be mixed with mass percent concentration be 1% polyvinyl alcohol, evenly sprays along the concave surface of circular arc loop concave 6, and the polyvinyl alcohol sand-consolidating agent is penetrated into fully and forms bonding course 2 in the sandy soil; The compression strength of bonding course 2 is 2.0MPa, and sticking equal power is 330KPa.Near the sandy soil that bonding course 2 can prevent to degenerate the sacsaoul 4 ' move, and create a more stable environment for the growth of degeneration sacsaoul 4 '.
6. press solid dosage 50g/m
2, adding water, to be mixed with mass percent concentration be 1.5% fluorine carbon emulsion, evenly sprays along the surface of bonding course 2, forms the fine and close hydrophobic layer 1 of one deck on the surface of bonding course 2, the thickness of hydrophobic layer 1 is 1.0mm.By the hydrophobic effect of hydrophobic layer 1, hydrophobic layer 1 arrives the water conservation district 3 at plant pit middle part with rainwater harvesting when raining, and flows to the root system district of degeneration sacsaoul 4 '; In addition; Hydrophobic layer 1 can also intercept phreatic evaporation; The moisture that rainwater that B99-1 type chemical agent for planting grass to fixate sand absorption storage in the water conservation district 3 is permeated and underground evaporation come up, and, can make full use of the water resource of arid, semiarid zone like this along with the slow-release function of B99-1 type chemical agent for planting grass to fixate sand discharges moisture supply degeneration sacsaoul 4 '; Save the degeneration sacsaoul, make its good growth.
The sacsaoul woods has been selected the sacsaoul that 80 strains are on the verge of to degenerate in the Minqin; After adopting method provided by the invention to save; The tracking of passing through 6 months is investigated, and finds that the sacsaoul of saving is better than other sacsaoul growing ways that are under the equal natural environment, saves the back survival rate and reaches 80%; And the sacsaoul lethality that does not have to handle is bigger, especially the dust storm sapping behind the sacsaoul root a large amount of root system of sacsaoul exposed outside, by wind dead in the majority in back.
Claims (13)
1. an arid, semiarid zone plant trees and save the methods of degeneration trees, it is characterized in that may further comprise the steps:
1. in the zone of needs tree planting or the zone of degeneration trees, measure phreatic content;
2. in the zone of needs tree planting or the zone of degeneration trees plant pit is set accordingly; When underground water content is 2.0～5.0%, plant pit excircle radius (R) is 2.5～3.5m; When underground water content is 5.0～8.0%, plant pit excircle radius (R) is 1.5～2.5m;
Water conservation district (3) 3. is set at the middle part of said plant pit, and said water conservation district (3) comprises the sandy soil buried regions of root system district and top, root system district;
During tree planting: plant at the middle part of said plant pit into trees (4) according to prior art; After water-loss reducer or water-loss reducer and sandy soil are pressed 1:3～5 mixs; The root that evenly is sprinkling upon said trees (4) forms the root system district on every side, above said root system district, covers whole root systems with sandy soil and forms the sandy soil buried regions; Water primary water in arid, semiarid area after planting trees, need not later on to water; If do not rain always, need carry out artificial recharge, every two weeks or month be one-period;
When saving the degeneration trees: move degeneration trees (4 ') root sandy soil on every side; The root that as far as possible exposes said degeneration trees (4 '); Prevent that too much root system is by sliding trackle; After water-loss reducer or water-loss reducer and sandy soil are pressed 1:3～5 mixs, form the root system district around evenly being sprinkling upon the roots of said degeneration trees (4 '), above said root system district, cover and bury whole root systems and form the sandy soil buried regions with sandy soil; Remedial measure waters primary water after implementing, and need not later on to water, and leans on natural precipitation;
4. outer peripheral areas is provided with circular arc loop concave (6) along said water conservation district (3), and the compacting of clapping; The formed inclination angle of line (a) of any is 10～20 ° on the tangent line of the concave surface minimum point of said circular arc loop concave (6) and point of contact and the plant pit excircle; Said water conservation district (3) is positioned at the bottom of said circular arc loop concave (6);
5. sand-consolidating agent evenly is sprayed at the surface of said circular arc loop concave (6), said sand-consolidating agent is penetrated into the bonding course (2) that formation has certain intensity in the sandy soil fully;
6. water-repelling agent evenly is sprayed at the surface of said bonding course (2), forms hydrophobic layer (1).
2. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 3. described in the sandy soil buried regions be to be the circular zone of 2.0～5.0cm apart from trunk (4,4 ') appearance.
3. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees; It is characterized in that: step 3. described in the usage amount of water-loss reducer be directly proportional with underground water content; Underground water content is 2.0～5.0% o'clock, and the water-loss reducer consumption is 30～80g; Underground water content is 5.0～8.0% o'clock, and the water-loss reducer consumption is 80～150g.
4. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 5. described in the usage amount of sand-consolidating agent be solids content 30～120g/m
2, it is 0.8～2.2% to spray that said sand-consolidating agent is diluted with water to mass percent concentration.
5. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 6. described in the usage amount of water-repelling agent be solids content 10～50g/m
2, it is 1.2～2.0% to spray that said water-repelling agent is diluted with water to mass percent concentration.
6. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 6. described in the thickness of hydrophobic layer (1) be 0.4～1.0mm.
7. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 3. described in water-loss reducer be to have to absorb and agricultural water-loss reducer, chemical agent for planting grass to fixate sand or the moisture preserving agent of slow-release function.
8. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 5. described in sand-consolidating agent comprise inorganic chemistry sand-consolidating agent or organic chemistry sand-consolidating agent; Said inorganic chemistry sand-consolidating agent comprises cement, alkali chloride earth metal, waterglass, silica gel or clay; Said organic chemistry sand-consolidating agent comprises silica gel, emulsified asphalt, polyacrylamide, polyvinyl alcohol or butadiene-styrene rubber synthesized polymer material, also comprises silica gel, xanthans, humus, stalk, sawdust or sodium lignin sulfonate natural macromolecular material.
9. plant trees according to the said arid of claim 1, semiarid zone and save the methods of degeneration trees, it is characterized in that: step 6. described in water-repelling agent comprise that Silicone acrylic emulsion, fluorine carbon emulsion, water paint are with resin or silicone oil.
10. an arid, semiarid zone plant trees and save the plant pits of degeneration trees; The trees (4 that comprise the plant pit middle part; 4 '), it is characterized in that: the periphery of said trees (4,4 ') is provided with water conservation district (3); Said water conservation district (3) comprises the sandy soil buried regions by root formed root system district that evenly is sprinkling upon said trees (4,4 ') behind water-loss reducer or water-loss reducer and the sandy soil mix and top, root system district; Outer peripheral areas is provided with circular arc loop concave (6) along said water conservation district (3), and said water conservation district (3) is positioned at the bottom of said circular arc loop concave (6); Be provided with bonding course (2), hydrophobic layer (1) from the bottom to top successively along said circular arc loop concave (6).
11. according to the plant pit of the said arid of claim 10, semiarid zone tree planting and redemption degeneration trees, it is characterized in that: said plant pit excircle radius (R) is 1.5～3.5m.
12. plant trees and save the plant pits of degeneration trees according to the said arid of claim 10, semiarid zone, it is characterized in that: said sandy soil buried regions is to be the circular zone of 2.0～5.0cm apart from trunk (4,4 ') appearance.
13. according to the plant pit of the said arid of claim 10, semiarid zone tree planting and redemption degeneration trees, it is characterized in that: the formed inclination angle of line (a) of any is 10～20 ° on the tangent line of the concave surface minimum point of said circular arc loop concave (6) and point of contact and the plant pit excircle.
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| CN105638361A (en) * | 2016-01-28 | 2016-06-08 | 天津泰达绿化集团有限公司 | Method for storing, holding and utilizing rainwater during tree planting |
| CN105918056A (en) * | 2016-05-19 | 2016-09-07 | 成都理工大学 | Wind prevention, sand fixation and water retention afforestation method |
| CN106069586A (en) * | 2016-06-12 | 2016-11-09 | 浙江省林业科学研究院 | Bank falling zone, storehouse ecological vegetation restorative procedure |
| CN106613663A (en) * | 2016-12-19 | 2017-05-10 | 庆阳敦博科技发展有限公司 | Sand-stabilization and water-retention method used in semi-desert windy and sandy area |
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| CN103733954A (en) * | 2014-01-10 | 2014-04-23 | 刁久新 | Device and method for bare-rooted tree planting on barren hill suitable for planting trees |
| CN104255390A (en) * | 2014-05-12 | 2015-01-07 | 葛瑞杰 | Tree and shrub naked-root regulated-rod guniting planting machine and utilization method |
| CN104584938A (en) * | 2014-12-31 | 2015-05-06 | 浙江大学 | Manufacturing and preparation method and application of dry land tree planting water conservation and fertilizer supply plate |
| CN104584938B (en) * | 2014-12-31 | 2016-09-28 | 浙江大学 | A kind of nonirrigated farmland tree-planting water-keeping fertilizer plate makes and prepares and application |
| CN105638361A (en) * | 2016-01-28 | 2016-06-08 | 天津泰达绿化集团有限公司 | Method for storing, holding and utilizing rainwater during tree planting |
| CN105918056B (en) * | 2016-05-19 | 2019-04-30 | 成都理工大学 | One kind, which is checked winds and fixed drifting sand, is retained greening method |
| CN105918056A (en) * | 2016-05-19 | 2016-09-07 | 成都理工大学 | Wind prevention, sand fixation and water retention afforestation method |
| CN106069586A (en) * | 2016-06-12 | 2016-11-09 | 浙江省林业科学研究院 | Bank falling zone, storehouse ecological vegetation restorative procedure |
| CN106613663A (en) * | 2016-12-19 | 2017-05-10 | 庆阳敦博科技发展有限公司 | Sand-stabilization and water-retention method used in semi-desert windy and sandy area |
| CN107173157A (en) * | 2017-06-27 | 2017-09-19 | 王磊 | The method planted trees using capillary groundwater absorbing or degeneration trees are saved |
| CN108048095A (en) * | 2017-12-08 | 2018-05-18 | 煜环环境科技有限公司 | A kind of environmentally friendly water-retaining sand-stabilizing agent and preparation method and applications |
| CN111406584A (en) * | 2019-01-08 | 2020-07-14 | 疏科纳米疏水科技(嘉兴)有限公司 | Method for protecting side slope ecology and bare ground skin planting |
| CN111406584B (en) * | 2019-01-08 | 2021-09-28 | 疏科纳米疏水科技(嘉兴)有限公司 | Method for protecting side slope ecology and bare ground skin planting |
| CN110100628A (en) * | 2019-06-21 | 2019-08-09 | 西藏俊富环境恢复有限公司 | A kind of Tree-planting device and method for arid area |
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