CN103650692B - A kind of sandy land amelioration method in applicable height wind erosion, water erosion area - Google Patents
A kind of sandy land amelioration method in applicable height wind erosion, water erosion area Download PDFInfo
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Abstract
The invention provides a kind of sandy land amelioration method in applicable height wind erosion, water erosion area, step is as follows: by the various mud being rich in bacterium, various be rich in actinomycetes and fungi old stalk or Forest Litter powder or timbered soil, and organic flocculant is mixed to form mixture after air drying respectively, preserve; By native clay mineral, weathered coal or humus soil, and mixture adds water and fully stirs, then the aqueous solution of admixture crosslinking agent carries out ambient cross-linking, and form flocculence mixture, last fragmentation becomes the particle of microorganism/microbiological culture media cluster; By microorganism/microbiological culture media clustered particles, straw, mix containing the soil of azotobacter, turn over together with sand ground, the splash starch of 5-50 kilogram or the aqueous solution of molasses of every mu of sand ground carries out microorganism rejuvenation and activates.Sand ground moisture capacity after the present invention's improvement is high, weather-proof, water erosion ability strong, and cost is low.
Description
[technical field]
The present invention relates to a kind of sandy land amelioration method in applicable height wind erosion, water erosion area.
[background technology]
At high deflation basin as most desert and sand dune, seashore, high water erosion area is as most river shoal and erosion area, the fine grained composition of soil produces lamination of isolating very easily 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 simultaneously, form the soil of desertification or rubble enrichment in original place.Usual loess area and alluvial district utilize easily, but desertification district area is wide, and natural conditions are severe, and still not easily scale utilizes at present.
The soil moisture content higher due to higher plant growth needs and soil microbial community decomposing organic matter and mineral, fixed nitrogen, release auxin and antibiotic cooperation, and the aggravation of soil structure water retention capacity deficiency that the soil of desertification or rubble enrichment is for want of good, cause sand ground Water Consumption in Agriculture to be generally the 3-5 of dry farming doubly; And soil microbe quantity is quite limited, cause soil fertility extreme difference and cannot fertilizer conservation; Therefore not easily realize greening or for human agriculture.Theoretically, high wind-water erosion area sandy land amelioration, must adopt following technology path:
Rebuild soil microbial community, require that supplementing soil microbial community perches material; Edaphon existence desired nutritional base; Use the low cost mode of micropopulation fast culture and rejuvenation to accelerate the reconstruction of soil ecology as far as possible simultaneously.
Significantly improve the weather-proof water erosion ability having built soil, ensureing retention capacity of soil is improved on gas permeability of soil basis as far as possible.
Plant on sand land system mainly contains following three classes in the world at present:
1, mechanical sand fixation is that form the flowing of windbreak or straw checkerboard barrier obstruction dust storm, this technique effectively cannot improve husky body physicochemical property in modes such as the setting of batten, soil block, stone and the material such as stalk and goods thereof or tilings.Be not suitable for greening or for human agriculture; The method may be used for weakening rainwash souring equally, namely reduces water erosion.
2, chemical sand-fixing is based on macromolecular material that is natural or that synthesize, sprays in husky surface, one deck continuous film of being reunited by the grains of sand, prevent the generation of eroding with the form of liquid film.Chemical sand-fixing is can massive mechanicalization to implement in theory compared to the most obvious advantage of mechanical sand fixation, and some macromolecular material has the advantages such as preserve moisture and fertility.Current chemical sand fixing material is to Biodegradable polymer material future development, and the organic matter after degraded by the nutrient matrix of microbial conversion needed for plant, can avoid secondary pollution.But though macromolecular sand-fixation material can by Shamian Island sealing, but the aqueous vapor also existed as the mechanical wear of dust storm, the husky body of serious obstruction exchanges, reduce Shamian Island roughness causes seed to be difficult to stop, the defects such as costliness and formation secondary pollution, be unfavorable for that very much biocoenosis builds, be in fact difficult to use in afforestation on sandy land and agricultural use.
3, sand consolidation with biologic is based upon the sand control technique on plant or microorganism basis, fixes the sand with the interaction of husky body with biological.The factor that sand consolidation with biologic technique needs are considered will far away more than upper two kinds of sand control techniques, and as rainfall, vegetation soil bearing capacity, microorganism, Qiao fills with 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 ideal technique; Biological breadcrust roughness of ground surface is greater than naked Shamian Island, and therefore 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, add 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 dry season, biological breadcrust dormancy was even dead, dust storm is easily taken off to damage or buries, and causes biological breadcrust to be periodically damage; Finally, biological breadcrust has the characteristic promoting soil development, but this process is extremely slow, cannot meet the foundation of the Tiny ecosystem circle of high-biomass in the short time.
Such as, the applying date is 2011.08.12, and application number is the water-retaining method that the Chinese patent of 201110233140.X discloses a kind of sand ground, and this invention belongs to plant on sand land field, specifically a kind of water-retaining method of sand ground, is arranged by sand ground smooth; Gu, Mesozoic Deposits are pulverized; Sedimentary rock after pulverizing is laid in sandy land surface; Gu, Mesozoic Deposits and sand are fully mixed by mechanical rotary tillage, obtain the Gu of 30cm thickness, Mesozoic Deposits and husky composite bed, in the composite bed of this 30cm thickness, the volume ratio of Gu, Mesozoic Deposits and sand is 1: (1 ~ 5).The sedimentary rock that the water-retaining method of sand ground of the present invention obtains and the mixed sandy soil of sand 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, and this deposition ground is easy to be separated with sand form sandstorm material because particle is little, and when flood irrigation or heavy rain, soil separating floating from sand, to earth's surface, causes wind erosion phenomenon and causes earth's surface to be hardened; Microorganism and humus is lacked, because ecological tache imperfection causes in fact soil fertility very poor in soil; Lower-cost advantage also offset by the larger consumption (freight is corresponding to be increased) of Low-quality clay.
Again such as, the applying date is 2012.04.13, application number is method and the application that the Chinese patent of 201210113255.X discloses a kind of bentonite production sandy land conditioner made, the method of a kind of bentonite production sandy land conditioner made of this disclosure of the invention and application, the steps include: 1) bentonite through purifying, modification, and add specialist additive and produce sandy land conditioner made; 2) on smooth good sand ground, Dry Farmland and lack of water farmland, sandy land conditioner made is spread fertilizer over the fields on sand surface by artificial or mechanical uniform; 3) utilize rotovator to carry out rotary tillage process, make sandy land conditioner made and sand Homogeneous phase mixing in topsoil; 4) through fully watering, sandy land conditioner made being absorbed water and plays its gumminess, make it better be combined with sand and form soil granular, thus reach water saving, water conservation, fertilizer conservation, the object of checking winds and fixing drifting sand, realize the increasing both production and income of long-term cropping.Sandy land conditioner made of the present invention is mainly used in sand, Dry Farmland, lack of water farmland improvement, also can be used as saline-alkali soil, poor soil, the soil remediation of yellow soil, easily knotts clay and desertification treatment and various dune work.
This invention is except the drawback as a same example, and the cost intensive of bentonite price, not easily gathers materials on the spot and more limit the utilization of this technology.
One of husky district current techique is that fortune loess covers on sand ground, and then the loess formation forming about 30 centimetres plants.The method soil water retention capacity is strong, but this technical cost about 1000 yuan/mu, 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 places half a year after leveling land by 2 years, turns over after applying 1-3 ton/mu farmyard manure, is can be converted into sandy loam after common fertilizer plantation 3-5 leguminous plant with humic acid combined fertilizer.But it is more easily separated to there is large or fine granule equally, and Resistance to wind Erosion is poor, 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 containing micro heavy composition, often worry that in the industry its stripping permeates the ground water and less use, the method is humus by weathered coal by microbial conversion and heavy metal is fixed in complexing, and stripping heavy metal substantially can be avoided the pollution of underground water.
[summary of the invention]
The technical problem to be solved in the present invention, be a kind of sandy land amelioration method that applicable height wind erosion, water erosion area are provided, the method utilizes the high-moisture-retention of microorganism/microbiological culture media clustered particles, viscosity, and the stiction larger with periphery medium, make high, weather-proof, the water erosion ability of sand ground moisture capacity after improveing strong, and cost is low.
The present invention is achieved in that
The sandy land amelioration method in applicable height wind erosion, water erosion area, described method comprises the steps:
Step 10, by the various mud being rich in bacterium, various be rich in actinomycetes and fungi old stalk or Forest Litter powder or timbered soil, and organic flocculant is mixed to form mixture after air drying respectively, preserves;
Step 20, by native clay mineral, the weathered coal being rich in the height weathering of humus or humus soil, and the mixture that formed of step 10 adds water and fully stirs, the aqueous solution of admixture crosslinking agent carries out ambient cross-linking again, be converted into the inflatable but high-hydroscopicity flocculence mixture that can not scatter of water breakthrough, last fragmentation becomes microorganism/microbiological culture media cluster;
Step 30, by microorganism/microbiological culture media cluster, straw, to mix containing the soil of azotobacter, turn over together with sand ground, the splash starch of 5-50 kilogram or the aqueous solution of molasses of every mu of sand ground carries out microorganism rejuvenation and activates.
Further, the mud mud being 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, adding crosslinking agent described in is at least one in borate ion, aluminium ion, iron ion or titanium ion.
Further, in described step 10 various ingredients weight parts than 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 ratio is as follows: native clay mineral: weathered coal or humus soil: mixture: crosslinking agent is 100:5 ~ 50:5 ~ 50:0.1 ~ 2.
Further, the particle diameter of microorganism in described step 20/microbiological culture media cluster is 0.5 ~ 10mm.
Further, described method further comprising the steps of 31: for improving water retention capacity, by regulating the tilth of turning over, secondary is turned over and is formed bottom many microorganisms/microbiological culture media cluster, the structure of the many stalks in top, uses storage capacity to significantly improve.（
Further, described method further comprising the steps of 32:
The generation that starch or the not timing of molasses water solution can be used the sand ground after improvement to be splashed to the humus keeping soil microbial activities and promote aggravation of soil structure and improve water retention is separated out.
Further, 0-50 part humate can be added in the starch of every 100 parts of dry weights or molasses water solution, 0-100 part mud.Because surface can form the finer and close clayed soil layer of one deck when splashing, the textural association turned over secondary formed tightly-pine-tight height water conservation insulation construction.
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 clustered particles, 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 that is water erosion.Concrete advantage is as follows:
One, blowing, pouring or the short time, flowing water washed away time, because fine-grained soil composition becomes bulk particle to exist, not easily to scatter and density is similar with the grains of sand, can not be separated with the grains of sand;
Two, micropopulation and weathered coal are all reunited in high water absorbing porous shape particle, and colony density is large, and aerobic-anaerobic atmosphere all exists, and therefore reliably also slow weathered coal etc. can be converted into soil key components-humus.
Three, not only remain the highly-breathable of sand ground but also possess better moisture capacity and microbiologic population, be conducive to plant root system development very much.
Four, with low cost, clay can be gathered materials on the spot without the need to selecting, and utilizes the PH buffer capacity of humus and high ion-exchange capacity even can use the soil of slight salinization of soil and can fix the remaining micro heavy of mud possibility; Domestic sludge class itself can reduce costs containing polyacrylamide, and disposal country has policy to subsidize, and then can obtain locality according to farming and animal husbandry mud; 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, therefore cost of labor be low, especially at Myotis fimbriatus, Horqin, the large sand ground of Hun Shan Da Ke Desert three 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]
The present invention relates to a kind of sandy land amelioration method in applicable height wind erosion, water erosion area, described method comprises the steps:
Step 10, by the various mud being rich in bacterium, various be rich in actinomycetes and fungi old stalk or Forest Litter powder or timbered soil, and organic flocculant is mixed to form mixture after air drying respectively, preserves;
Step 20, by native clay mineral, the weathered coal being rich in the height weathering of humus or humus soil, and the mixture that formed of step 10 adds water and fully stirs, the aqueous solution of admixture crosslinking agent carries out ambient cross-linking again, be converted into the inflatable but high-hydroscopicity flocculence mixture that can not scatter of water breakthrough, last fragmentation becomes microorganism/microbiological culture media cluster;
Step 30, by microorganism/microbiological culture media cluster, straw, to mix containing the soil of azotobacter, turn over together with sand ground, the splash starch of 5-50 kilogram or the aqueous solution of 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 having powerful imbibition ability, there is certain viscosity, long duration resistance to certain vibration and external force can not scatter but can periphery sand grains be caused slightly to be fixed by external slow releasing humus, has the smell of microorganism; The amount of above-mentioned each component is determined according to local resources amount with for the situation of improvement.
The described mud mud being 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 is 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 is than as follows: native clay mineral: weathered coal or humus soil: mixture: crosslinking agent is 100:5 ~ 50:5 ~ 50:0.1 ~ 2.The particle diameter of microorganism in described step 20/microbiological culture media cluster is 0.5 ~ 10mm.
Described method further comprising the steps of 31: for improving water retention capacity, by regulating the tilth of turning over, secondary is turned over and is formed bottom many microorganisms/microbiological culture media cluster, the structure of the many stalks in top, uses storage capacity to significantly improve.
Described method further comprising the steps of 32:
The generation that starch or the not timing of molasses water solution can be used the sand ground after improvement to be splashed to the humus (being mainly derived from the decomposition of the lower weathering lique faction of coal of micropopulation synergy and stalk) keeping soil microbial activities and promote aggravation of soil structure and improve water retention is separated out.
0-50 part humate can be added, 0-100 part mud in the starch of every 100 parts of dry weights or molasses water solution.Because surface can form the finer and close clayed soil layer of one deck when splashing, the textural association turned over for two times with step 31 formed tightly-pine-tight height water conservation insulation construction.
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment one, Ordos, inner Mongolia 0.3 mu 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 local chestnut soil 100 parts, the weathered coal 10 parts of height weathering, said mixture 10 parts, water fully stirs in right amount, the aqueous solution of admixture crosslinking agent borate ion 0.1 part carries out ambient cross-linking, be converted into the inflatable but high-hydroscopicity flocculence mixture that can not scatter of water breakthrough, after slightly dry, 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 having larger imbibition ability, there is certain viscosity, long duration resistance to certain vibration and external force can not scatter but can periphery sand grains be caused slightly to be fixed by external slow releasing humus, has the smell of microorganism.
By microorganism/microbiological culture media cluster about 2 cubes, straw about 2 cubes, alfalfa ground soil (about 1 cube of mixing, turns over together with sand ground, after the paste liquid that configures according to every mu of heating starch inferior of splashing 15 kilograms carry out microorganism rejuvenation activation.For improving water retention capacity, by regulating the tilth of rotovator, secondary rotary tillage forms bottom many microorganisms/microbiological culture media cluster, and the structure of the many stalks in top, broadcasts sowing a small amount of corn seed simultaneously.
Find after 14 days, this ground corn seed has formed height of seedling 10 centimetres, and long 15 centimetres of root system, 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, humidity, and external force resistance disturbance is weather-proof, and the control group sand ground of what every index such as vegetation growth state comparatively contrasted mix 30% loess is all obviously outstanding.Another control group exposed sand maize seedling does not then germinate.
Experiment embodies the method has obvious superiority relative to conventional method.In laboratory, 2011-2013 2 years pilot plant test find, flocculant decomposes gradually and is finally that humus and microbial polysaccharide substitute, but soil particle still keeps agglomerate, after 2 years, Resistance to wind Erosion slightly declines, even if having larger vibration fine particle also non-rising when anti-current water scouring capability obviously declines but still can ensure flood irrigation.
Embodiment two, experiment sandy beach, wide 2 meters long 10 meters, Quanzhou, Fujian seashore, can flood when increasing to climax, Experiment of Soil Erosion by Runoff.
The domestic sludge (Quanzhou sewage treatment plant) of bacterium will be rich in, rot to fall leaves (being broken into powder) in the forest zone of being rich in actinomycetes and fungi, organic flocculant cationic modified starch forms mixture after air drying respectively, and preserve, the weight part ratio of each component is 20:6:5.
Get 100 parts, local laterite, the weathered coal 10 parts of height weathering, said mixture 25 parts, water fully stirs in right amount, the aqueous solution of admixture crosslinking agent borate ion 0.3 part carries out ambient cross-linking, be converted into the inflatable but high-hydroscopicity flocculence mixture that can not scatter of water breakthrough, after slightly dry, fragmentation becomes microorganism/microbiological culture media cluster.The external appearance characteristic of this microorganism/microbiological culture media cluster is: the sand-like brown particles thing having powerful imbibition ability, there is certain viscosity, long duration resistance to certain vibration and external force can not scatter but can periphery sand grains be caused slightly to be fixed by external slow releasing humus, has 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, watch after a flood tide until next day, microorganism/microbiological culture media cluster the major part on 5 centimetres, surface, sandy beach is flushed away, then more downward reserved under 5 centimetres obviously increases, and does not find to be flushed away or to scatter phenomenon under 10 centimetres.
Fetch this mixture, be fully put in outdoor beaker after washing, thick 20 centimetres of sand bed broadcasts sowing rape seed, within 15 days, germinates afterwards and obviously grows up, because sand bed drying is withered after 40 days
Contrast groups laterite and sea sand mix according to 1:6 ratio, are all walked by seawater flushing except bottommost number centimetre still has laterite remnants.The experiment of sand bed plantation rape finds, within 10 days, sand bed is namely 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 that is comparatively 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 clustered particles, 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 that is water erosion.Concrete advantage is as follows:
One, blowing, pouring or the short time, flowing water washed away time, because fine-grained soil composition becomes bulk to exist, not easily to scatter and density is similar with the grains of sand, can not be separated with the grains of sand;
Two, micropopulation and weathered coal are all reunited in high water absorbing porous particle, and colony density is large, and aerobic-anaerobic atmosphere all exists, and therefore reliably also slow weathered coal etc. can be converted into soil key components-humus.
Three, not only remain the highly-breathable of sand ground but also possess better moisture capacity and microbiologic population, be conducive to plant root system development very much.
Four, with low cost, clay can be gathered materials on the spot without the need to selecting, and utilizes the PH buffer capacity of humus and high ion-exchange capacity even can use the soil of slight salinization of soil and fixes heavy metal micro-in domestic sludge; Domestic sludge class itself can reduce costs containing polyacrylamide, and disposal country has policy to subsidize, and then can obtain locality according to farming and animal husbandry mud; 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, therefore cost of labor be low, especially at Myotis fimbriatus, Horqin, the large sand ground of Hun Shan Da Ke Desert three 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 the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (10)
1. be applicable to the sandy land amelioration method in high wind erosion, water erosion area, it is characterized in that: described method comprises the steps:
Step 10, by natural pond slag or the various mud being rich in bacterium, various be rich in actinomycetes and fungi old stalk or Forest Litter powder or timbered soil, and organic flocculant is mixed to form mixture after air drying respectively, preserves;
Step 20, by native clay mineral, the weathered coal being rich in the height weathering of humus or humus soil, and the mixture that formed of step 10 adds water and fully stirs, the aqueous solution of admixture crosslinking agent carries out ambient cross-linking again, be converted into the inflatable but high-hydroscopicity flocculence mixture that can not scatter of water breakthrough, last fragmentation becomes microorganism/microbiological culture media clustered particles;
Step 30, by microorganism/microbiological culture media clustered particles, straw, to mix containing the soil of azotobacter, turn over together with sand ground, the splash starch of 5-50 kilogram or the aqueous solution of molasses of every mu of sand ground carries out microorganism rejuvenation and activates.
2. the sandy land amelioration method in a kind of applicable height wind erosion according to claim 1, water erosion area, is characterized in that: described in be rich in bacterium mud be at least one in domestic sludge, farming and animal husbandry mud or food processing mud.
3. the sandy land amelioration method in a kind of applicable height 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 height wind erosion according to claim 1, water erosion area, is characterized in that: described in add crosslinking agent be at least one in borate ion, aluminium ion, iron ion or titanium ion.
5. according to the sandy land amelioration method in a kind of applicable height wind erosion one of Claims 1 to 4 Suo Shu, water erosion area, it is characterized in that: in described step 10, various ingredients weight parts is 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 height wind erosion according to claim 1, water erosion area, is characterized in that: in described step 20, various ingredients weight parts is than as follows: native clay mineral: weathered coal or humus soil: the mixture that step 10 is formed: crosslinking agent is 100:5 ~ 50:5 ~ 50:0.1 ~ 2.
7. the sandy land amelioration method in a kind of applicable height 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 clustered particles is 0.5 ~ 10mm.
8. the sandy land amelioration method in a kind of applicable height 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, by regulating the tilth of turning over, secondary is turned over and is formed bottom many microorganisms/microbiological culture media cluster, the structure of the many stalks in top, uses storage capacity to significantly improve.
9. a kind of applicable height wind erosion according to claim 1 or 8, the sandy land amelioration method in water erosion area, is characterized in that: described method further comprising the steps of 32:
Use starch or the not timing of molasses water solution to splash to keep soil microbial activities to the sand ground after improvement and promote aggravation of soil structure and improve the formation speed of humus of water retention, and forming 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 height wind erosion according to claim 9, water erosion area, is characterized in that: add 0-50 part humate, 0-100 part mud in the starch of every 100 parts of dry weights or molasses water solution.
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