CN103650692A - Sand modification method suitable for high-wind-erosion and high-water-erosion areas - Google Patents
Sand modification method suitable for high-wind-erosion and high-water-erosion areas Download PDFInfo
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- CN103650692A CN103650692A CN201310631993.8A CN201310631993A CN103650692A CN 103650692 A CN103650692 A CN 103650692A CN 201310631993 A CN201310631993 A CN 201310631993A CN 103650692 A CN103650692 A CN 103650692A
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Abstract
The invention provides a sand modification method suitable for high-wind-erosion and high-water-erosion areas. The method includes: respectively drying various sludge rich in bacteria, various decayed straw, forest litter powder or forest soil rich in actinomycetes and fungi, organic flocculants at normal temperature, and mixing the same to obtain mixture, and storing; well mixing the mixture with local clay minerals, decomposed coal or humus soil, cross linking with water solution with cross-linking agent at normal temperature to form flocculent mixture, and crushing particles to form microorganism/microorganism cultivation medium cluster; mixing microorganism/microorganism cultivation medium cluster, plant straws, and soil with nitrogen-fixing bacteria, plowing with sand, and pouring 5-50 kilos of starch or molasses water solution to each mu of sand to activate microorganisms. The sand modified by the method is high in water retention, high in wind and water erosion resistance and low in cost.
Description
[technical field]
The present invention relates to a kind of sandy land amelioration method in applicable high wind erosion, water erosion area.
[background technology]
At high deflation basin as most deserts and sand dune, seashore, high water erosion area as most river shoals and erosion area, the fine grained composition of soil very easily produces the lamination of isolating under vibration, and be that fluid is (as the wind in desert, the water that rainwash is heavy) entrained separation, isolated fine grained deposits formation loess area and alluvial district a long way off, leaves coarse granule in original place simultaneously, forms the soil of desertification or rubble enrichment.Conventionally loess area and alluvial district utilize easily, but desertification district area is wide, and natural conditions are severe, are still difficult at present scale utilization.
Due to the higher soil moisture content of higher plant growth needs and soil microbial community decomposing organic matter and mineral, fixed nitrogen, discharge auxin and antibiotic cooperation, and desertify or for want of good aggravation of soil structure water retention capacity is not enough the soil of rubble enrichment, cause 3-5 that sand ground Water Consumption in Agriculture is generally dry farming doubly; And soil microbe quantity is quite limited, cause soil fertility extreme difference and cannot fertilizer conservation; Therefore be difficult for realizing greening or supplying mankind's agricultural use.Theoretically, high wind-water erosion area sandy land amelioration, must adopt following technology path:
Rebuild soil microbial community, require to supplement soil microbial community and perch material; Edaphon existence desired nutritional base; While is used the low-cost mode of micropopulation fast culture and rejuvenation to accelerate the reconstruction of soil ecology as far as possible.
Significantly improve the weather-proof water erosion ability that has built soil, guaranteeing to improve retention capacity of soil on gas permeability of soil basis as far as possible.
Sand ground improvement system mainly contains following three classes in the world at present:
1, mechanical sand fixation is that forming windbreak or straw checkerboard barrier hinders flowing of dust storm in modes such as the material settings such as batten, soil block, stone and stalk and goods thereof or tilings, and this technique cannot effectively be improved husky body physicochemical property.Be not suitable for greening or supply mankind's agricultural use; The method can, for weakening rainwash souring, reduce water erosion equally.
2, chemical sand-fixing is to take natural or synthetic macromolecular material as basis, with the form of liquid film, sprays in husky surface, by grains of sand one deck continuous film of reuniting, prevents the generation of wind erosion.Chemical sand-fixing is in theory the enforcement of mechanization on a large scale compared to the most obvious advantage of mechanical sand fixation, and some macromolecular material has the advantages such as preserve moisture and fertility.Chemical sand fixing material is to Biodegradable polymer material future development at present, and the organic matter after degraded can be the required nutrient matrix of plant by microbial conversion, avoids secondary pollution.Though but macromolecular sand-fixation material can be by Shamian Island sealing, but also exist as the mechanical wear of dust storm, the aqueous vapor that seriously hinders husky body exchange, reduce Shamian Island roughness and causes seed to be difficult to stop, the defects such as costliness and formation secondary pollution, be unfavorable for that very much biocoenosis builds, and is in fact difficult to use in afforestation on sandy land and agricultural use.
3, sand consolidation with biologic is the sand control technique being based upon on plant or microorganism basis, with biological, fixes the sand with the interaction of husky body.The factor that sand consolidation with biologic technique need to be considered will be far away more than upper two kinds of sand control techniques, as rainfall, vegetation soil bearing capacity, microorganism, and tall filling and the factor such as herbal interworking ratio and damage by disease and insect.For now, biological breadcrust sand control technique is the darker part of this area research, and biological breadcrust can provide comparatively complete Ecology Evolution, sets up the soil generting machanism of stable state, for radical cure desert provides comparatively desirable technique; Biological breadcrust roughness of ground surface is greater than naked Shamian Island, so it can collect condensate water effectively, increases the water content of shallow sand bed; Biological breadcrust has strong distributional effects to the moisture in the husky body of shallow-layer, increased the water-holding capacity of topsoil, but its lower anti-net radiation can impel top layer evaporation of water, affects the growth of dark root system plant; Moreover biological breadcrust dormancy in dry season is even dead, dust storm is easily taken off to be damaged or buries, and causes biological breadcrust to be periodically and damages; Finally, biological breadcrust has the characteristic that promotes soil development, but this process is extremely slow, cannot meet the foundation of micro-ecosphere of high-biomass in the short time.
For example, the applying date is 2011.08.12, and the Chinese patent that application number is 201110233140.X discloses a kind of water-retaining method of sand ground, and this invention belongs to sand ground and administers field, and specifically a kind of water-retaining method of sand ground, arranges sand ground smooth; Gu, Mesozoic Deposits are pulverized; Sedimentary rock after pulverizing is laid in to sandy land surface; By mechanical rotary tillage, by Gu, Mesozoic Deposits and husky fully mixing, obtain Gu, Mesozoic Deposits and the husky composite bed of 30cm thickness, in the composite bed of this 30cm thickness, Gu, Mesozoic Deposits and husky volume ratio are 1: (1～5).The sedimentary rock that the water-retaining method of sand ground of the present invention obtains and husky mixed sandy soil have good permeability and water holding moisture capacity, the characteristic of its physicochemical characteristics and soil is suitable, makes the output of the sand ground Planting Crops after improvement can reach the output of planting identical crops on general soil.
This invention is: under eolian erosion, this deposition ground is easy to formation sandstorm material separated with sand because particle is little, and when flood irrigation or heavy rain, separating floating is to earth's surface from sand for soil, and phenomenon and cause earth's surface to be hardened causes eroding; In soil, lack microorganism and humus, because ecological link disappearance causes, in fact soil fertility is very poor; Lower-cost advantage is also offset by the larger consumption of Low-quality clay (freight is corresponding to be increased).
Again for example, the applying date is 2012.04.13, application number is that the Chinese patent of 201210113255.X discloses method and the application that a kind of bentonite is produced sandy land amelioration agent, this disclosure of the invention a kind of bentonite produce method and the application of sandy land amelioration agent, the steps include: 1) bentonite through purifying, modification, and add specialist additive to produce sandy land amelioration agent; 2), on smooth good sand ground, Dry Farmland and lack of water farmland, sandy land amelioration agent is spread fertilizer over the fields on sand surface by artificial or mechanical uniform; 3) utilize rotovator to carry out rotary tillage process, sandy land amelioration agent is evenly mixed in topsoil with sand; 4) through fully watering, make its gumminess of sandy land amelioration agent water suction performance, make it better be combined with sand and form soil granular, thereby the object that reaches water saving, water conservation, fertilizer conservation, checks winds and fixes drifting sand realize the increasing both production and income of planting plant.Sandy land amelioration agent of the present invention is mainly used in sand, Dry Farmland, lack of water farmland improvement, also can be used as soil transformation and desertification treatment and the various dune work of saline-alkali soil, poor soil, yellow soil, easy knotts clay.
This invention is except the drawback as a same example, and the cost of bentonite price is expensive, is difficult for gathering materials on the spot and has more limited the utilization of this technology.
One of husky district current techique is that fortune loess covers on sand ground, and then the loess formation that forms approximately 30 centimetres plants.The method soil water retention capacity is strong, but approximately 1000 yuan/mu of this technical costs, far above the improvement expenses of this application 100-200 unit/mu, and land fertility is obviously not enough, also easily plays dirt, nocompetitive; Two of husky district current techique is to place half a year to two year after leveling land, and turns over after applying 1-3 ton/mu farmyard manure, take humic acid combined fertilizer can be converted into sandy loam after conventional fertilizer is planted 3-5 leguminous plant.But exist equally large or fine granule more easily separated, weather-proof ability, cost high (main because humic acid combined fertilizer is expensive industrial products), the transformation time is long, nocompetitive equally.
In addition, qualified mud is often because contain micro heavy composition, often worry in the industry its stripping permeate the ground water and less use, the method is fixedly heavy metal of humus and complexing by weathered coal by microbial conversion, substantially can avoid the pollution of stripping heavy metal to underground water.
[summary of the invention]
The technical problem to be solved in the present invention, be to provide a kind of sandy land amelioration method in applicable high wind erosion, water erosion area, the method is utilized the high-moisture-retention of microorganism/microbiological culture media cluster particle, viscosity, and the stiction larger with periphery medium, make that sand ground moisture capacity after improvement is high, weather-proof, water erosion ability is strong, and cost is low.
The present invention is achieved in that
The sandy land amelioration method in applicable high wind erosion, water erosion area, described method comprises the steps:
Step 10, by the various mud that is rich in bacterium, various old stalk or Forest Litter powder or timbered soils that are rich in actinomycetes and fungi, and organic flocculant is mixed to form mixture after air drying respectively, preserves;
Step 20, by native clay mineral, be rich in weathered coal or the humus soil of the height weathering of humus, and the mixture that forms of step 10 adds water and fully stirs, the aqueous solution of admixture crosslinking agent carries out ambient cross-linking again, be converted into water breakthrough high-hydroscopicity flocculence inflatable but that can not scatter mixture, last fragmentation becomes microorganism/microbiological culture media cluster;
Step 30, by microorganism/microbiological culture media cluster, straw, mix containing the soil of azotobacter, turn over together with sand ground, the splash aqueous solution of the starch of 5-50 kilogram or molasses of every mu of sand ground carries out microorganism rejuvenation and activates.
Further, the mud mud that is rich in bacterium described in is at least one in domestic sludge, farming and animal husbandry mud, food processing mud or natural pond slag.
Further, described organic flocculant is at least one in polyacrylamide, PDDA, microbial flocculant, modification seawood meal, modified starch or modification blue algae mud.
Further, described in, adding crosslinking agent is at least one in borate ion, aluminium ion, iron ion or titanium ion.
Further, in described step 10, various ingredients weight parts ratios are as follows: mud: old stalk or Forest Litter powder or timbered soil: organic flocculant is 5～20:5～20:1～5.
Further, in described step 20, various ingredients weight parts ratios are as follows: native clay mineral: weathered coal or humus soil: mixture: crosslinking agent is 100:5～50:5～50:0.1～2.
Further, in described step 20, the particle diameter of microorganism/microbiological culture media cluster is 0.5～10mm.
Further, described method further comprising the steps of 31: for improving water retention capacity, the tilth that can turn over by adjusting, secondary is turned over and is formed bottom many microorganism/microbiological culture medias cluster, and the structure of the many stalks in top is used storage capacity obviously to improve.（
Further, described method further comprising the steps of 32:
Sand ground after can using starch or the not timing of molasses water solution to improvement is splashed to keep soil microbial activities and is promoted aggravation of soil structure and the generation that improves the humus of water retention to separate out.
Further, in the starch of every 100 parts of dry weights or molasses water solution, can add 0-50 part humate, 0-100 part mud.While splashing because surface can form the finer and close clayed soil layer of one deck, form tightly-pine-tight height water conservation insulation construction of the textural association of turning over secondary.
Tool of the present invention has the following advantages:
The present invention is in wish improvement sand ground, form larger discontinuous phase microorganism/microbiological culture media cluster particle, mix with gravel, utilize the high-moisture-retention of this microorganism/microbiological culture media cluster, viscosity, the stiction larger with periphery medium, reaches weather-proof and ability water erosion.Concrete advantage is as follows:
One, blowing, pouring the or when short time, flowing water washed away, exists because fine-grained soil composition becomes bulk particle, be difficult for scattering and density similar with the grains of sand, can be not separated with the grains of sand;
Two, micropopulation and weathered coal are all reunited in height water suction cellular particle, and bacterium colony density is large, and aerobic-anaerobic atmosphere all exists, therefore can be reliably and slowly weathered coal etc. is converted into soil key components-humus.
Three, the highly-breathable that has retained sand ground possesses again better moisture capacity and microbiologic population, is conducive to very much plant root system development.
Four, with low cost, clay can be gathered materials on the spot without selection, utilizes the PH buffer capacity of humus and soil that macroion exchange capacity even can be used slight salinization of soil and can fix the micro heavy that mud may be remaining; Domestic sludge class itself can reduce costs containing polyacrylamide, and disposes country and have policy subsidy, if adopt farming and animal husbandry mud can obtain locality; Weathered coals etc. are colliery offcuts, and difficult combustion and price are only a little more than clay; Do not need to fill a prescription very accurately and can mechanized operation, so cost of labor be low, especially at hair crow element, Horqin, muddy Starch 1500 gram three large sand grounds and coastal, southern desertification area, because rainfall is better, mud and weathered coal are easy to get, and the technical advantage of improvement sand ground is obvious especially.
[embodiment]
A kind of sandy land amelioration method that the present invention relates to applicable high wind erosion, water erosion area, described method comprises the steps:
Step 10, by the various mud that is rich in bacterium, various old stalk or Forest Litter powder or timbered soils that are rich in actinomycetes and fungi, and organic flocculant is mixed to form mixture after air drying respectively, preserves;
Step 20, by native clay mineral, be rich in weathered coal or the humus soil of the height weathering of humus, and the mixture that forms of step 10 adds water and fully stirs, the aqueous solution of admixture crosslinking agent carries out ambient cross-linking again, be converted into water breakthrough high-hydroscopicity flocculence inflatable but that can not scatter mixture, last fragmentation becomes microorganism/microbiological culture media cluster;
Step 30, by microorganism/microbiological culture media cluster, straw, mix containing the soil of azotobacter, turn over together with sand ground, the splash aqueous solution of the starch of 5-50 kilogram or molasses of every mu of sand ground carries out microorganism rejuvenation and activates.The external appearance characteristic of this microorganism/microbiological culture media cluster is: the sand-like particle that has powerful imbibition ability, there is certain viscosity, long duration can resistance to certain vibration and external force can not scatter but can externally slowly discharge humus and cause periphery sand grains slightly to be fixed, have the smell of microorganism; The amount of above-mentioned each component is determined according to the situation of local resources amount and wish improvement.
The described mud mud that is rich in bacterium is at least one in domestic sludge, farming and animal husbandry mud, food processing mud or natural pond slag.
Described organic flocculant is at least one in polyacrylamide, PDDA, microbial flocculant, modification seawood meal, modified starch or modification blue algae mud.
The described crosslinking agent that adds is at least one in borate ion, aluminium ion, iron ion or titanium ion.
In described step 10, various ingredients weight parts are than as follows: mud: old stalk or Forest Litter powder or timbered soil: organic flocculant is 5～20:5～20:1～5.
In described step 20, various ingredients weight parts are than as follows: native clay mineral: weathered coal or humus soil: mixture: crosslinking agent is 100:5～50:5～50:0.1～2.In described step 20, the particle diameter of microorganism/microbiological culture media cluster is 0.5～10mm.
Described method further comprising the steps of 31: for improving water retention capacity, the tilth that can turn over by adjusting, secondary is turned over and is formed bottom many microorganism/microbiological culture medias cluster, and the structure of the many stalks in top is used storage capacity obviously to improve.
Described method further comprising the steps of 32:
Sand ground after can using starch or the not timing of molasses water solution to improvement is splashed to keep soil microbial activities and is promoted aggravation of soil structure and the generation that improves the humus (being mainly derived from the decomposition of the lower weathering lique faction of coal of micropopulation synergy and stalk) of water retention to separate out.
In the starch of every 100 parts of dry weights or molasses water solution, can add 0-50 part humate, 0-100 part mud.While splashing because surface can form the finer and close clayed soil layer of one deck, form tightly-pine-tight height water conservation insulation construction of the textural association of turning over for two times with step 31.
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment mono-, Ordos, inner Mongolia 0.3 mu of experiment sand ground, wind erosion and fertility experiment.
Domestic sludge (taking from Wushen Banner, Erdos sewage treatment plant) and the natural pond slag (rural area is self-produced) of bacterium will be rich in, be rich in the old stalk (pastoral area is self-produced) of actinomycetes and fungi, organic flocculant polyacrylamide forms mixture after air drying respectively, preserve, the weight part ratio of each component is 15:15:1.
Get 100 parts of local chestnut soils, 10 parts of the weathered coals of height weathering, 10 parts of said mixtures, water is appropriate fully to be stirred, the aqueous solution that admixture crosslinking agent borate ion is 0.1 part carries out ambient cross-linking, be converted into water breakthrough high-hydroscopicity flocculence inflatable but that can not scatter mixture, slightly dry rear fragmentation becomes microorganism/microbiological culture media cluster.The external appearance characteristic of this microorganism/microbiological culture media cluster is: the sand-like black particle thing that has larger imbibition ability, there is certain viscosity, long duration can resistance to certain vibration and external force can not scatter but can externally slowly discharge humus and cause periphery sand grains slightly to be fixed, have the smell of microorganism.
By approximately 2 cubes of microorganism/microbiological culture media clusters, approximately 2 cubes of straws, alfalfa ground soil (approximately 1 cube of mixing is turned over together with sand ground, after the paste liquid that goes out according to every mu of starch heater configuration inferior of 15 kilograms of splashing carry out microorganism rejuvenation activation.For improving water retention capacity, by regulating the tilth of rotovator, secondary rotary tillage forms bottom many microorganism/microbiological culture medias cluster, and the structure of the many stalks in top broadcasts sowing a small amount of corn seed simultaneously.
Within 14 days, find afterwards, this ground corn seed has formed 10 centimetres of heights of seedling, long 15 centimetres of root system, and the maize seedling that root system is very flourishing, there is the taste that obviously becomes thoroughly decomposed in soil.
Contrast situation shows: land fertility, and humidity, external force resistance disturbance, weather-proof, the control group sand ground of mixing 30% loess that every index such as vegetation growth state contrasts is all obviously outstanding.Another control group exposed sand maize seedling does not germinate.
Experiment embodies the relative conventional method of the method obvious superiority.In laboratory, 2011-2013 lab scale experiment in 2 years is found, flocculant decomposes gradually and is finally that humus and microbial polysaccharide substitute, but soil particle still keeps agglomerate, after 2 years, weather-proof ability slightly declines, and in the time of can ensureing flood irrigation, has larger vibration fine particle also non-rising even if anti-current water scouring capability obviously declines.
Embodiment bis-, experiment sandy beach, wide 2 meters long 10 meters, Quanzhou, Fujian seashore, can flood Experiment of Soil Erosion by Runoff while increasing to climax.
The domestic sludge (Quanzhou sewage treatment plant) of bacterium will be rich in, be rich in the rotten fallen leaves in forest zone (being broken into powder) of actinomycetes and fungi, organic flocculant cationic modified starch forms mixture after air drying respectively, preserves, and the weight part ratio of each component is 20:6:5.
Get 100 parts, local laterite, 10 parts of the weathered coals of height weathering, 25 parts of said mixtures, water is appropriate fully to be stirred, the aqueous solution that admixture crosslinking agent borate ion is 0.3 part carries out ambient cross-linking, be converted into water breakthrough high-hydroscopicity flocculence inflatable but that can not scatter mixture, slightly dry rear fragmentation becomes microorganism/microbiological culture media cluster.The external appearance characteristic of this microorganism/microbiological culture media cluster is: the sand-like brown particle that has powerful imbibition ability, there is certain viscosity, long duration can resistance to certain vibration and external force can not scatter but can externally slowly discharge humus and cause periphery sand grains slightly to be fixed, have the smell of microorganism.
This microorganism/microorganism cluster and sea sand are mixed according to the ratio of about 1:6, form the mixed layer of 15 cm thicks, until next day, after a flood tide, watch, microorganism/microbiological culture media cluster major part that surface, sandy beach is 5 centimetres is flushed away, reservation amount downwards under 5 centimetres obviously increases, and does not find under 10 centimetres to be flushed away or the phenomenon of scattering.
Fetch this mixture, fully after washing, be put in outdoor beaker, thick 20 centimetres of sand bed broadcasts sowing rape seed, within 15 days, germinate afterwards and obviously grow up, after 40 days because sand bed is dry withered
Contrast groups laterite and sea sand mix according to 1:6 ratio, except bottommost number centimetre still has laterite remnants all to be walked by seawater flushing.Sand bed plantation rape experiment discovery, within 10 days, sand bed is dry, and rape is not emerged.
The sand ground that experiment embodies the method improvement has obvious water erosion resistent ability, can use in area large at rainfall or enforcement flood irrigation equally.
The present invention is in wish improvement sand ground, form larger discontinuous phase microorganism/microbiological culture media cluster particle, mix with gravel, utilize the high-moisture-retention of this microorganism/microbiological culture media cluster, viscosity, the stiction larger with periphery medium, reaches weather-proof and ability water erosion.Concrete advantage is as follows:
One, blowing, pouring the or when short time, flowing water washed away, exists because fine-grained soil composition becomes bulk, be difficult for scattering and density similar with the grains of sand, can be not separated with the grains of sand;
Two, micropopulation and weathered coal are all reunited in height water suction porous particles, and bacterium colony density is large, and aerobic-anaerobic atmosphere all exists, therefore can be reliably and slowly weathered coal etc. is converted into soil key components-humus.
Three, the highly-breathable that has retained sand ground possesses again better moisture capacity and microbiologic population, is conducive to very much plant root system development.
Four, with low cost, clay can be gathered materials on the spot without selection, utilizes the PH buffer capacity of humus and macroion exchange capacity even can use the soil of slight salinization of soil and fix heavy metal micro-in domestic sludge; Domestic sludge class itself can reduce costs containing polyacrylamide, and disposes country and have policy subsidy, if adopt farming and animal husbandry mud can obtain locality; Weathered coals etc. are colliery offcuts, and difficult combustion and price are only a little more than clay; Do not need to fill a prescription very accurately and can mechanized operation, so cost of labor be low, especially at hair crow element, Horqin, muddy Starch 1500 gram three large sand grounds and coastal, southern desertification area, because rainfall is better, mud and weathered coal are easy to get, and the technical advantage of improvement sand ground is obvious especially.
Although more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present invention; those of ordinary skill in the art are in equivalent modification and the variation done according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (10)
1. a sandy land amelioration method that is applicable to high wind erosion, water erosion area, is characterized in that: described method comprises the steps:
Step 10, by the various mud that is rich in bacterium, various old stalk or Forest Litter powder or timbered soils that are rich in actinomycetes and fungi, and organic flocculant is mixed to form mixture after air drying respectively, preserves;
Step 20, by native clay mineral, be rich in weathered coal or the humus soil of the height weathering of humus, and the mixture that forms of step 10 adds water and fully stirs, the aqueous solution of admixture crosslinking agent carries out ambient cross-linking again, be converted into water breakthrough high-hydroscopicity flocculence inflatable but that can not scatter mixture, last fragmentation becomes microorganism/microbiological culture media cluster particle;
Step 30, by microorganism/microbiological culture media cluster particle, straw, mix containing the soil of azotobacter, turn over together with sand ground, the splash aqueous solution of the starch of 5-50 kilogram or molasses of every mu of sand ground carries out microorganism rejuvenation and activates.
2. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 1, water erosion area, is characterized in that: described in be rich in bacterium mud mud be at least one in domestic sludge, farming and animal husbandry mud, food processing mud or natural pond slag.
3. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 1, water erosion area, is characterized in that: described organic flocculant is at least one in polyacrylamide, PDDA, microbial flocculant, modification seawood meal, modified starch or modification blue algae mud.
4. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 1, water erosion area, is characterized in that: described in to add crosslinking agent be at least one in borate ion, aluminium ion, iron ion or titanium ion.
5. according to a kind of applicable high wind erosion one of claim 1～4 Suo Shu, the sandy land amelioration method in water erosion area, it is characterized in that: in described step 10, various ingredients weight parts are than as follows: mud: old stalk or Forest Litter powder or timbered soil: organic flocculant is 5～20:5～20:1～5.
6. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 1, water erosion area, is characterized in that: in described step 20, various ingredients weight parts are than as follows: native clay mineral: weathered coal or humus soil: mixture: crosslinking agent is 100:5～50:5～50:0.1～2.
7. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 1, water erosion area, is characterized in that: in described step 20, the particle diameter of microorganism/microbiological culture media cluster particle is 0.5～10mm.
8. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 1, water erosion area, it is characterized in that: described method further comprising the steps of 31: for improving water retention capacity, the tilth that can turn over by adjusting, secondary is turned over and is formed bottom many microorganism/microbiological culture medias cluster, the structure of the many stalks in top, is used storage capacity obviously to improve.
9. according to a kind of applicable high wind erosion described in claim 1 or 8, the sandy land amelioration method in water erosion area, it is characterized in that: described method further comprising the steps of 32:
Sand ground after can using starch or the not timing of molasses water solution to improvement is splashed to keep soil microbial activities and is promoted aggravation of soil structure and improve the formation speed of the humus of water retention, and forms easily the degrade further water conservation of surface protection film and sand-proof of one deck and corrode.
10. the sandy land amelioration method in a kind of applicable high wind erosion according to claim 9, water erosion area, is characterized in that: in the starch of every 100 parts of dry weights or molasses water solution, can add 0-50 part humate, 0-100 part mud.
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