Summary of the invention
An object of the present invention is to provide a kind of method of planting Bermuda grass in eco-concrete side slope fast, adopt good stress resistance, resistance to trample, impoverishment tolerant, the strong Bermuda grass of recovery capability is as varieties of plant, side slope environment can be adapted to faster, survival rate is high, and what select here is be at least the Bermuda grass of 2 years the age, after 20 days, the coverage rate of Bermuda grass just reaches 80%, Bermuda grass stem section well-grown, adventive root generates, on joint, axillalry bud starts to form aerial shoot, and start new stolon of tillering, after 30 days, on after vegetation coverage reaches 95%, now just fixed slope can be played, the effect prevented erosion, the method efficiency scattered seeds is adopted to improve than tradition a lot, tradition scatters seeds, 7 ~ 10 talentes are needed to start to germinate, just can reach vegetation coverage after 60 days is 90%, play the effect of fixed slope.
A further object of the invention, first in water, add water-loss reducer to be uniformly mixed, can ensure that water-loss reducer can fully dissolve like this, reunion can not be caused, then add described Bermuda grass stem section to be uniformly mixed, make each Bermuda grass stem section can adhere to water-loss reducer uniformly, reach good Water-saving effect.
Technical scheme provided by the invention is:
Eco-concrete side slope is planted a method for Bermuda grass fast, comprises the following steps:
1) arrange domatic;
2) build lattice frame: on domatic, build multiple lattice frame adjacent one another are, backfill planting matrix in each described lattice frame, leveling compacting, covering grammes per square metre is 12 ~ 15g/m
2the first non-woven fabrics, wherein, described planting matrix is followed successively by Nutrition Soil that thickness is 20 ~ 30cm from lower to upper, thickness is the coarse sand of 1 ~ 2cm;
3) build eco-concrete: the eco-concrete layer at described first nonwoven surface cladding thickness being 4 ~ 6cm, at described eco-concrete layer surface coverage plastic film, after 6 ~ 10 days, remove described plastic film;
4) Bermuda grass is planted:
Select the age to be at least the Bermuda grass of 2 years, the stolon of Bermuda grass is cut into the Bermuda grass stem section that length is 5 ~ 8cm;
Xiang Shuizhong adds water-loss reducer and is uniformly mixed, and then adds described Bermuda grass stem section and is uniformly mixed, then adds adhesive and be uniformly mixed, mixture of must sowing grass seeds by duster, and it is evenly sowed grass seeds by duster on eco-concrete layer surface, and to cover grammes per square metre be 12 ~ 15g/m
2the second non-woven fabrics, wherein, the addition of described water, water-loss reducer, adhesive, Bermuda grass stem section is respectively every square metre of eco-concrete layer and adds 4 ~ 5L, 3 ~ 5g, 6 ~ 10g, 1000 ~ 1500g;
5) maintenance: after plantation, every day waters once, the amount of at every turn watering, for making described second non-woven fabrics water content be 45 ~ 55%, after described Bermuda grass stem section is germinateed, sprays a foliage fertilizer in every 5 ~ 7 days, removes described second non-woven fabrics after 20 days.
Preferably, the described method of planting Bermuda grass in eco-concrete side slope fast, each described lattice frame all adopts armored concrete to build and forms, and it is length 3.5 ~ 6.5m, the rectangular configuration of width 3 ~ 6m, the degree of depth of each described lattice frame is 25 ~ 35cm.
Preferably, the described method of planting Bermuda grass in eco-concrete side slope fast, in described planting matrix, the particle diameter of described coarse sand is 1 ~ 3mm, the pH of described Nutrition Soil is 6.0 ~ 7.5, the content of organic matter is wherein not less than 20g/kg, and in described Nutrition Soil containing weight ratio be the nitrogen-phosphorus-potassium compound fertilizer of 1 ~ 5%.
Preferably, the described method of planting Bermuda grass in eco-concrete side slope fast, the compacting degree of described Nutrition Soil is 88 ~ 90%.
Preferably, the described method of planting Bermuda grass in eco-concrete side slope fast, described eco-concrete layer obtains through following steps: rubble, cement, fine silica powder or flyash, water reducer mix with water by ratio 1500 ~ 1700: 250 ~ 300: 30 ~ 40: 3 ~ 4.5: 50 ~ 80 by weight, stirring is built, to vibrate leveling, obtain described eco-concrete layer.
Preferably, the method for described plantation Bermuda grass fast in eco-concrete side slope, described step 4) in it is evenly sowed grass seeds by duster in the process on eco-concrete layer surface, step of sowing grass seeds by duster adopts the spray seeder being.
Preferably, the described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer is containing 0.3 ~ 0.5wt% urea, 0.04 ~ 0.10wt%KH
2pO
4, 0.05 ~ 0.10wt%KNO
3.
Preferably, the described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer obtains through following steps:
A, get 6 ~ 8 parts of air-dry birds droppings by weight just, 3 ~ 5 parts of snake ight soil, 5 ~ 6 parts of air-drying fish heads, 5 ~ 8 parts of new fresh shrimp shells, 2 ~ 5 parts of air-dry Grape Skin, 4 ~ 6 parts of air-dry apple skins, 3 ~ 5 parts of peach cores and 3 ~ 4 parts of air-dry leg of pork bone mixing, adding magnetized drinking water to mixture water content is 42%, be placed in sealing and fermenting tank, extraction air is wherein 0.01MPa to the vacuum of sealing and fermenting tank, pass into rice vinegar steam wherein, until the vacuum of sealing and fermenting tank reaches 0.04MPa, 35 DEG C of bottom fermentations 4 days, obtain tunning, by described tunning vacuum filtration, obtain the first filtrate and the first filter residue respectively,
B, described first filtrate and supercritical carbon dioxide to be mixed at 1: 5 in mass ratio, drop into supercritical extract tank, extracting pressure is 16.4MPa, and extraction temperature is 39 DEG C, collects extract;
C, described first filter residue is placed in pressure cooker, adds water to and flood described first filter residue, and to drop into 2 ~ 2.4 parts of particle diameters be the active carbon of 7mm, the coated one deck water permeable membrane of described activated carbon surface, more coated one deck gunny, 130 DEG C of infusion 2.5h, be cooled to room temperature, filter to obtain the second filtrate;
D, described extract to be mixed with described second filtrate, obtain liquid fertilizer, drop into urea, KH wherein
2pO
4, and KNO
3, stir, obtain described foliage fertilizer, wherein, described urea, KH
2pO
4, and KNO
3addition be respectively 0.3 ~ 0.5%, 0.04 ~ 0.10% and 0.05 ~ 0.10% of described foliage fertilizer weight.
The present invention at least comprises following beneficial effect:
(1) the present invention is after building lattice frame, toward wherein backfilling planting matrix, described planting matrix is followed successively by Nutrition Soil that thickness is 20 ~ 30cm from lower to upper, thickness is the coarse sand of 1 ~ 2cm, wherein, the effect of coarse sand is to adjust slope leveling degree, in case Nutrition Soil compacting is uneven, builds shaping eco-concrete variable thickness and to cause and after backfill planting matrix in each described lattice frame, covering grammes per square metre is 12 ~ 15g/m
2the first non-woven fabrics, do not need to open, its effect together with eco-concrete and planting matrix from stick in order to prevent, cause the eco-concrete of the bottom contacted with planting matrix to be not easy to solidify, reduce its intensity.
(2) the present invention adopts good stress resistance, resistance to trample, impoverishment tolerant, the strong Bermuda grass of recovery capability is as varieties of plant, side slope environment can be adapted to faster, survival rate is high, and what select here is be at least the Bermuda grass of 2 years the age, after 20 days, the coverage rate of Bermuda grass can reach 80%, Bermuda grass stem section well-grown, generate adventive root, on joint, axillalry bud starts to form aerial shoot, and start to grow new stolon, after 30 days, on after vegetation coverage reaches 95%, now just fixed slope can be played, the effect prevented erosion, the method efficiency scattered seeds is adopted to improve than tradition a lot, tradition scatters seeds, 7 ~ 10 talentes are needed to start to germinate, just can reach vegetation coverage after 60 days is 90%, play the effect of fixed slope.
(3) first the present invention adds water-loss reducer and is uniformly mixed in water, can ensure that water-loss reducer can fully dissolve, and can not cause reunion like this, then add described Bermuda grass stem section and be uniformly mixed, make each Bermuda grass stem section can adhere to water-loss reducer uniformly, reach good Water-saving effect.
(4) foliage fertilizer of the present invention adopt air-dry birds droppings just, snake ight soil, air-drying fish head, the organic waste such as new fresh shrimp shell, air-dry Grape Skin, air-dry apple skin, peach core and air-dry leg of pork bone is as raw material; make full use of organic waste; not only effectively improve the nutrient contents such as the silicon of foliage fertilizer, calcium magnesium; improve the water-absorbing-retaining ability of foliage fertilizer; both made rational use of resources; reduce cost, be conducive to ecological protection again.
(5) the present invention adopts vacuum fermentation in the manufacturing process of foliage fertilizer, and vacuum is 0.04MPa, greatly shorten fermentation time, improve fermentation efficiency, and vacuum fermentation, be compared to normal fermentation, ferment more complete, peculiar smell is less, and passes into rice vinegar steam in sealing and fermenting tank, makes yeasting be faintly acid, more be conducive to the carrying out of fermenting, ferment more complete.
(6) the present invention is in the manufacturing process of foliage fertilizer, and by fermenting, the first filtrate obtained carries out 39 DEG C of supercritical carbon dioxide extractings, extracts the organic principle in the first filtrate, and extract nutrient component more complete, efficiency is higher.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
Embodiment 1
Eco-concrete side slope is planted a method for Bermuda grass fast, comprises the following steps:
1) arrange domatic;
2) build lattice frame: on domatic, build multiple lattice frame adjacent one another are, backfill planting matrix in each described lattice frame, leveling compacting, covering grammes per square metre is 12g/m
2the first non-woven fabrics, wherein, described planting matrix is followed successively by Nutrition Soil that thickness is 20cm from lower to upper, thickness is the coarse sand of 1cm;
3) build eco-concrete: the eco-concrete layer at described first nonwoven surface cladding thickness being 4cm, at described eco-concrete layer surface coverage plastic film, after 6 days, remove described plastic film;
4) Bermuda grass is planted:
Select the age to be at least the Bermuda grass of 2 years, the stolon of Bermuda grass is cut into the Bermuda grass stem section that length is 5cm;
Xiang Shuizhong adds water-loss reducer and is uniformly mixed, and then adds described Bermuda grass stem section and is uniformly mixed, then adds adhesive and be uniformly mixed, mixture of must sowing grass seeds by duster, and it is evenly sowed grass seeds by duster on eco-concrete layer surface, and to cover grammes per square metre be 12g/m
2the second non-woven fabrics, wherein, the addition of described water, water-loss reducer, adhesive, Bermuda grass stem section is respectively every square metre of eco-concrete layer and adds 4L, 3g, 6g, 1000g;
5) maintenance: after plantation, every day waters once, the amount of at every turn watering, for making described second non-woven fabrics water content be 45%, after described Bermuda grass stem section is germinateed, sprays a foliage fertilizer in every 5 days, removes described second non-woven fabrics after 20 days.
The described method of planting Bermuda grass in eco-concrete side slope fast, each described lattice frame all adopts armored concrete to build and forms, and it is the rectangular configuration of length 3.5m, width 3m, and the degree of depth of each described lattice frame is 25cm.
The described method of planting Bermuda grass in eco-concrete side slope fast, in described planting matrix, the particle diameter of described coarse sand is 1mm, and the pH of described Nutrition Soil is 6.0, the content of organic matter is wherein not less than 20g/kg, and in described Nutrition Soil containing weight ratio be the nitrogen-phosphorus-potassium compound fertilizer of 1%.
The described method of planting Bermuda grass in eco-concrete side slope fast, the compacting degree of described Nutrition Soil is 88%.
The described method of planting Bermuda grass in eco-concrete side slope fast, described eco-concrete layer obtains through following steps: rubble, cement, fine silica powder or flyash, water reducer mix with water by ratio 1500: 250: 30: 3: 50 by weight, stirring is built, to vibrate leveling, obtain described eco-concrete layer.
The method of described plantation Bermuda grass fast in eco-concrete side slope, described step 4) in it is evenly sowed grass seeds by duster in the process on eco-concrete layer surface, step of sowing grass seeds by duster adopts the spray seeder being.
The described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer is containing 0.3wt% urea, 0.04wt%KH
2pO
4, 0.05wt%KNO
3.
The described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer obtains through following steps:
A, get 6 parts of air-dry birds droppings by weight just, 3 parts of snake ight soil, 5 parts of air-drying fish heads, 5 parts of new fresh shrimp shells, 2 parts of air-dry Grape Skin, 4 parts of air-dry apple skins, 3 parts of peach cores and 3 parts of air-dry leg of pork bone mixing, adding magnetized drinking water to mixture water content is 42%, be placed in sealing and fermenting tank, extraction air is wherein 0.01MPa to the vacuum of sealing and fermenting tank, pass into rice vinegar steam wherein, until the vacuum of sealing and fermenting tank reaches 0.04MPa, 35 DEG C of bottom fermentations 4 days, obtain tunning, by described tunning vacuum filtration, obtain the first filtrate and the first filter residue respectively,
B, described first filtrate and supercritical carbon dioxide to be mixed at 1: 5 in mass ratio, drop into supercritical extract tank, extracting pressure is 16.4MPa, and extraction temperature is 39 DEG C, collects extract;
C, described first filter residue is placed in pressure cooker, adds water to and flood described first filter residue, and to drop into 2 ~ 2.4 parts of particle diameters be the active carbon of 7mm, the coated one deck water permeable membrane of described activated carbon surface, more coated one deck gunny, 130 DEG C of infusion 2.5h, be cooled to room temperature, filter to obtain the second filtrate;
D, described extract to be mixed with described second filtrate, obtain liquid fertilizer, drop into urea, KH wherein
2pO
4, and KNO
3, stir, obtain described foliage fertilizer, wherein, described urea, KH
2pO
4, and KNO
3addition be respectively 0.3 ~ 0.5%, 0.04 ~ 0.10% and 0.05 ~ 0.10% of described foliage fertilizer weight.
Embodiment 2
Eco-concrete side slope is planted a method for Bermuda grass fast, comprises the following steps:
1) arrange domatic;
2) build lattice frame: on domatic, build multiple lattice frame adjacent one another are, backfill planting matrix in each described lattice frame, leveling compacting, covering grammes per square metre is 13g/m
2the first non-woven fabrics, wherein, described planting matrix is followed successively by Nutrition Soil that thickness is 25cm from lower to upper, thickness is the coarse sand of 1.5cm;
3) build eco-concrete: the eco-concrete layer at described first nonwoven surface cladding thickness being 5cm, at described eco-concrete layer surface coverage plastic film, after 8 days, remove described plastic film;
4) Bermuda grass is planted:
Select the age to be at least the Bermuda grass of 2 years, the stolon of Bermuda grass is cut into the Bermuda grass stem section that length is 6cm;
Xiang Shuizhong adds water-loss reducer and is uniformly mixed, and then adds described Bermuda grass stem section and is uniformly mixed, then adds adhesive and be uniformly mixed, mixture of must sowing grass seeds by duster, and it is evenly sowed grass seeds by duster on eco-concrete layer surface, and to cover grammes per square metre be 14g/m
2the second non-woven fabrics, wherein, the addition of described water, water-loss reducer, adhesive, Bermuda grass stem section is respectively every square metre of eco-concrete layer and adds 4.5L, 3.5g, 8g, 1200g;
5) maintenance: after plantation, every day waters once, the amount of at every turn watering, for making described second non-woven fabrics water content be 50%, after described Bermuda grass stem section is germinateed, sprays a foliage fertilizer in every 6 days, removes described second non-woven fabrics after 20 days.
The described method of planting Bermuda grass in eco-concrete side slope fast, each described lattice frame all adopts armored concrete to build and forms, and it is the rectangular configuration of length 4.5m, width 4.2m, and the degree of depth of each described lattice frame is 30cm.
The described method of planting Bermuda grass in eco-concrete side slope fast, in described planting matrix, the particle diameter of described coarse sand is 2mm, and the pH of described Nutrition Soil is 7.1, the content of organic matter is wherein not less than 20g/kg, and in described Nutrition Soil containing weight ratio be the nitrogen-phosphorus-potassium compound fertilizer of 2%.
The described method of planting Bermuda grass in eco-concrete side slope fast, the compacting degree of described Nutrition Soil is 89%.
The described method of planting Bermuda grass in eco-concrete side slope fast, described eco-concrete layer obtains through following steps: rubble, cement, fine silica powder or flyash, water reducer mix with water by ratio 1600: 280: 35: 4: 60 by weight, stirring is built, to vibrate leveling, obtain described eco-concrete layer.
The method of described plantation Bermuda grass fast in eco-concrete side slope, described step 4) in it is evenly sowed grass seeds by duster in the process on eco-concrete layer surface, step of sowing grass seeds by duster adopts the spray seeder being.
The described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer is containing 0.4wt% urea, 0.06wt%KH
2pO
4, 0.08wt%KNO
3.
The described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer obtains through following steps:
A, get 7 parts of air-dry birds droppings by weight just, 4 parts of snake ight soil, 5.5 parts of air-drying fish heads, 6 parts of new fresh shrimp shells, 4 parts of air-dry Grape Skin, 5 parts of air-dry apple skins, 5 parts of peach cores and 3.5 parts of air-dry leg of pork bone mixing, adding magnetized drinking water to mixture water content is 42%, be placed in sealing and fermenting tank, extraction air is wherein 0.01MPa to the vacuum of sealing and fermenting tank, pass into rice vinegar steam wherein, until the vacuum of sealing and fermenting tank reaches 0.04MPa, 35 DEG C of bottom fermentations 4 days, obtain tunning, by described tunning vacuum filtration, obtain the first filtrate and the first filter residue respectively,
B, by described first filtrate and supercritical carbon dioxide in mass ratio 1
:5 mixing, drop into supercritical extract tank, extracting pressure is 16.4MPa, and extraction temperature is 39 DEG C, collects extract;
C, described first filter residue is placed in pressure cooker, adds water to and flood described first filter residue, and to drop into 2.2 parts of particle diameters be the active carbon of 7mm, the coated one deck water permeable membrane of described activated carbon surface, more coated one deck gunny, 130 DEG C of infusion 2.5h, be cooled to room temperature, filter to obtain the second filtrate;
D, described extract to be mixed with described second filtrate, obtain liquid fertilizer, drop into urea, KH wherein
2pO
4, and KNO
3, stir, obtain described foliage fertilizer, wherein, described urea, KH
2pO
4, and KNO
3addition be respectively 0.4%, 0.06% and 0.07% of described foliage fertilizer weight.
Embodiment 3
Eco-concrete side slope is planted a method for Bermuda grass fast, comprises the following steps:
1) arrange domatic;
2) build lattice frame: on domatic, build multiple lattice frame adjacent one another are, backfill planting matrix in each described lattice frame, leveling compacting, covering grammes per square metre is 15g/m
2the first non-woven fabrics, wherein, described planting matrix is followed successively by Nutrition Soil that thickness is 30cm from lower to upper, thickness is the coarse sand of 2cm;
3) build eco-concrete: the eco-concrete layer at described first nonwoven surface cladding thickness being 6cm, at described eco-concrete layer surface coverage plastic film, after 10 days, remove described plastic film;
4) Bermuda grass is planted:
Select the age to be at least the Bermuda grass of 2 years, the stolon of Bermuda grass is cut into the Bermuda grass stem section that length is 8cm;
Xiang Shuizhong adds water-loss reducer and is uniformly mixed, and then adds described Bermuda grass stem section and is uniformly mixed, then adds adhesive and be uniformly mixed, mixture of must sowing grass seeds by duster, and it is evenly sowed grass seeds by duster on eco-concrete layer surface, and to cover grammes per square metre be 15g/m
2the second non-woven fabrics, wherein, the addition of described water, water-loss reducer, adhesive, Bermuda grass stem section is respectively every square metre of eco-concrete layer and adds 5L, 5g, 10g, 1500g;
5) maintenance: after plantation, every day waters once, the amount of at every turn watering, for making described second non-woven fabrics water content be 55%, after described Bermuda grass stem section is germinateed, sprays a foliage fertilizer in every 7 days, removes described second non-woven fabrics after 20 days.
The described method of planting Bermuda grass in eco-concrete side slope fast, each described lattice frame all adopts armored concrete to build and forms, and it is the rectangular configuration of length 6.5m, width 6m, and the degree of depth of each described lattice frame is 35cm.
The described method of planting Bermuda grass in eco-concrete side slope fast, in described planting matrix, the particle diameter of described coarse sand is 3mm, and the pH of described Nutrition Soil is 7.5, the content of organic matter is wherein not less than 20g/kg, and in described Nutrition Soil containing weight ratio be the nitrogen-phosphorus-potassium compound fertilizer of 1 ~ 5%.
The described method of planting Bermuda grass in eco-concrete side slope fast, the compacting degree of described Nutrition Soil is 90%.
The described method of planting Bermuda grass in eco-concrete side slope fast, described eco-concrete layer obtains through following steps: rubble, cement, fine silica powder or flyash, water reducer mix with water by ratio 1700: 300: 40: 4.5: 80 by weight, stirring is built, to vibrate leveling, obtain described eco-concrete layer.
The method of described plantation Bermuda grass fast in eco-concrete side slope, described step 4) in it is evenly sowed grass seeds by duster in the process on eco-concrete layer surface, step of sowing grass seeds by duster adopts the spray seeder being.
The described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer is containing 0.5wt% urea, 0.10wt%KH
2pO
4, 0.10wt%KNO
3.
The described method of planting Bermuda grass in eco-concrete side slope fast, described foliage fertilizer obtains through following steps:
A, get 8 parts of air-dry birds droppings by weight just, 5 parts of snake ight soil, 6 parts of air-drying fish heads, 8 parts of new fresh shrimp shells, 5 parts of air-dry Grape Skin, 6 parts of air-dry apple skins, 5 parts of peach cores and 4 parts of air-dry leg of pork bone mixing, adding magnetized drinking water to mixture water content is 42%, be placed in sealing and fermenting tank, extraction air is wherein 0.01MPa to the vacuum of sealing and fermenting tank, pass into rice vinegar steam wherein, until the vacuum of sealing and fermenting tank reaches 0.04MPa, 35 DEG C of bottom fermentations 4 days, obtain tunning, by described tunning vacuum filtration, obtain the first filtrate and the first filter residue respectively,
B, described first filtrate and supercritical carbon dioxide to be mixed at 1: 5 in mass ratio, drop into supercritical extract tank, extracting pressure is 16.4MPa, and extraction temperature is 39 DEG C, collects extract;
C, described first filter residue is placed in pressure cooker, adds water to and flood described first filter residue, and to drop into 2.4 parts of particle diameters be the active carbon of 7mm, the coated one deck water permeable membrane of described activated carbon surface, more coated one deck gunny, 130 DEG C of infusion 2.5h, be cooled to room temperature, filter to obtain the second filtrate;
D, described extract to be mixed with described second filtrate, obtain liquid fertilizer, drop into urea, KH wherein
2pO
4, and KNO
3, stir, obtain described foliage fertilizer, wherein, described urea, KH
2pO
4, and KNO
3addition be respectively 0.5%, 0.10% and 0.10% of described foliage fertilizer weight.
In reservoir area of Three Gorges, Yichang City, Hubei Province ship lift side slope, one piece of side slope is selected to carry out enforcement.A kind of ecological restoring method of quick planting Bermuda grass in eco-concrete side slope:
1, side slope surface arranges: for side slope surface, arrange domatic, smooth bright relief region, guarantees slope leveling;
2, side slope builds armored concrete lattice frame: according to domatic field condition, pouring reinforcement concrete lattice frame;
For convenience of operation, armored concrete lattice width of frame is 3m, and lattice girder width is 20cm, and the degree of depth is 30cm;
3, backfill planting matrix: backfill planting matrix in lattice frame, order is followed successively by 30cm and deeply plants Nutrition Soil from bottom to up, and after compacting, the dark coarse sand of backfill 1 ~ 2cm is levelling, covers 12 ~ 15g/m2 non-woven fabrics;
4, cast in situs can plant the concrete of vegetation:
Particle diameter 0.8 ~ 1.3cm rubble, P.042.5 cement, the fine silica powder of ferrosilicon smelting electric furnace recovery, water reducer, water is selected to be raw material, 1600: 270: 30: 3.5: 60 proportionings stir, build the concrete can planting vegetation by weight, and concrete thickness is 5cm; Build shaping concrete after leveling, covered with plastic film maintenance immediately, at least maintenance 7 days;
5, Bermuda grass stem section planting and establishing method:
Select the Bermuda grass having grown more than 2 years or 2 years, its stolon is cut into 5 ~ 8cm stem section; 4 ~ 5L/m is added successively in order in spray seeder
2water, 8g/m
2water-loss reducer, mixing, then adds the Bermuda grass stem section sheared, and stirs, finally adds 3 ~ 5g/m
2adhesive stirring and evenly mixing, sows grass seeds by duster uniformly on concrete slope, after having sowed grass seeds by duster, covers 12g/m
2non-woven fabrics;
6, maintenance management:
Every day, normal water seasoning, kept non-woven fabrics moistening, and within 5 ~ 7 days, germinate, after germinateing, every 5 ~ 7 spray a foliage fertilizer.Foliage fertilizer is containing 0.3 ~ 0.5wt% urea, 0.04 ~ 0.10wt%KH2PO4,0.05 ~ 0.10wt%KNO3.
Case effect
Bermuda grass stem section broadcasts sowing 20 days, and the coverage rate of Bermuda grass reaches 80%, Bermuda grass stem section well-grown, and adventive root generates, and on joint, axillalry bud starts to form aerial shoot, and starts to grow new stolon, after 30 days, on after vegetation coverage reaches 95%.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the embodiment described.