CN108184356A - A kind of modification method of alkaline land soil - Google Patents
A kind of modification method of alkaline land soil Download PDFInfo
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- CN108184356A CN108184356A CN201810012943.4A CN201810012943A CN108184356A CN 108184356 A CN108184356 A CN 108184356A CN 201810012943 A CN201810012943 A CN 201810012943A CN 108184356 A CN108184356 A CN 108184356A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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Abstract
The present invention provides a kind of modification methods of alkaline land soil, it is related to technical field of land improvement, when aiming to solve the problem that the prior art improves soil, the problem of salinity is assembled downwards, topsoil and subsoil are dug out into heatable adobe sleeping platform first, and fertilizer is stacked in heatable adobe sleeping platform, subsoil is stacked, and sprinkled with soil conditioner between subsoil, and subsoil is set in mound shape in fertilizer higher slice, again in subsoil upper berth upper epidermis soil, and plant upper salicornia europaeal；Meanwhile collecting gutter is provided in heatable adobe sleeping platform surrounding, and waterproof membrane is covered in collecting gutter；In addition, soakaway is provided in topsoil.The present invention coordinates soil conditioner and salicornia europaeal, reduction soil salt content by soakaway, and will be handled containing the waste collection with a large amount of salt, and salinity be avoided to be enriched to underground recycling, realizes that the green in salt-soda soil administers the sustainable development with ecology.
Description
Technical field
The present invention relates to technical field of land improvement, more particularly to a kind of modification method of alkaline land soil.
Background technology
Salt-soda soil refers to salinity contained in soil with influencing the salt aggregation of crop normal growth, according to joint state religion
Section's text tissue and food and agricultural organization's incomplete statistics, up to 99,130,000 hectares of Chinese saline alkali land area, the shape in the salt-soda soil in China
Related into the accumulation with Carbonates In Soil, plant is difficult to grow at heavy saline, and saline Land is to ecological environment and state
People's economy causes serious damage.
At present, the water for disclosing a kind of salt-soda soil in the market fills modification method, includes the following steps：1st, the desalinization of soil by flooding or leaching；2nd, it is smooth
Soil；3rd, it rakes the soil level in due course.Staff, which draws water, to be poured into salt-soda soil, and is aided with corresponding subdrainage net ditch, will be soluble
It is saline and alkaline to be discharged in deep soil, while by leveling land, make to ooze under uniform moisture, improve rainfall leaching salt and irrigate the effect of the desalinization of soil by flooding or leaching
Fruit, and pass through and rake the soil level, soil capillary is blocked, water is prevented to convey salinity to earth's surface.This method can be by the solvable of topsoil
Property salt be flushed to underground, make surface soil be suitable for plantation；But not only water consumption is big, and soluble-salt is rinsed for this method
It to after underground, saves bit by bit in underground water or is discharged into river, increase environmental pressure.
For another example, publication No. is that the Chinese invention patent of CN102172116A discloses a kind of comprehensive reformation side in salt-soda soil
Method, purity 95wt% 50~80kg of potassium sulfate, purity 98wt% zinc sulfate 30kg, purity 95wt% aluminum sulfate 30kg, purity
95wt% manganese sulfate 20kg, calcium chelating agent 20kg, purity 95wt% line borate 40kg, biological bacteria preparation 100kg, 3~10cm long
Crop material 2000kg, content for 300~500kg of 39wt% humic acids form alkaline land modifying agent；Temperature continuous-stable exists
15 DEG C or more, site preparation repaiies the ridge, builds canal, and alkaline land modifying agent is uniformly removed in earth's surface, turns over rotation ground, makes alkaline land modifying agent equal
It is even to be distributed in earth's surface 0~20cm depth soil layers；It pours water in ground, depth of water 5cm, and continuously maintain 10 days or so；With salt resistance buck
Rice varieties culturing and transplanting seedlings are in improved salt-soda soil, under the premise of total fertilizer amount is constant, repeatedly a small amount of application；Field water is with shallow
Based on dry.Although the comprehensive reformation method cooperation alkaline land modifying agent reduction water in this salt-soda soil, enhances improved effect,
Still there is a large amount of flushing water to carry soluble-salt and enter underground, be unfavorable for the sustainable development of ecological environment.
Invention content
Small with water consumption the object of the present invention is to provide a kind of modification method of alkaline land soil, correctional effect is good,
And the soluble-salt for entering underground can be reduced.
The present invention above-mentioned technical purpose technical scheme is that：A kind of improvement of alkaline land soil
Method includes the following steps：
S1：Dig heatable adobe sleeping platform：Using 15 ~ 25cm as excavating depth, topsoil is excavated, and it is spare that topsoil is stacked into side, then with 5
~ 15cm is excavating depth, excavates subsoil, and it is spare that subsoil is stacked into opposite side；
S2：It opens up collecting gutter at heatable adobe sleeping platform bottom margin, and sets up defences moisture film in collecting gutter middle berth, the collecting gutter is connected to a collection
Well；
S3：Fertilizer is stacked in heatable adobe sleeping platform, and fertilizer is set in mound shape；
S4：Heatable adobe sleeping platform backfills：Sand is mixed in subsoil, is covered on fertilizer, subsoil is stacked into mound shape and rams processing；
Wherein, subsoil backfills several times, is set into multilayered structure, and per 1 ~ 3cm of thickness, often backfills one layer of subsoil, uniformly
It spreads and covers one layer of soil conditioner；
S5：Topsoil, and smooth topsoil surface are filled out in the mound last time that subsoil is formed；
S6：Array opens up multiple soakaways in topsoil, and semi-permeable membrane is laid in soakaway, is then installed in soakaway
Clear water, and clear water is kept completely to fill state；
S7：Salicornia europaeal is planted in topsoil, until soil salt is down to less than 0.3%.
By using above-mentioned technical proposal, has the following advantages：First, the high topsoil of salt content and subsoil are dug
Go out, sand back-filling in layers is mixed in subsoil, and uniformly spread between interlayer and be covered with soil conditioner, it is penetrating so as to improve soil
Property, and improve soil property by soil conditioner；2nd, it is in the fertilizer heap of mound shape in setting between heatable adobe sleeping platform surface and subsoil,
Slow release fertility while surface soil alkalinity is reduced, increases soil nutrient；3rd, on the subsoil in mound shape in tiling
Topsoil, and salicornia europaeal is planted in topsoil, the salinity in soil is absorbed using salicornia europaeal, reduces soil salt content；4th, exist
Soakaway and semi-permeable membrane are provided in topsoil, is poured water soil, and collecting gutter is opened up in heatable adobe sleeping platform surrounding, collects containing for exudation
The waste water of great amount of soluble salt, and the subsoil of mound shape setting is conducive to waste water and flows into collecting gutter, reduces containing into underground
Brine realizes the Ecological Sustainable Development of Saline-alkali Field Control.
Further, in the step S2, step is further included after opening up collecting gutter：The soil in rake heatable adobe sleeping platform is turned over, and uses water
Heatable adobe sleeping platform is irrigated, 3 days primary, 15 days altogether.
By using above-mentioned technical proposal, salt content is relatively low in the soil layer below heatable adobe sleeping platform, but strong in evaporation from topsoil
When strong, the salt branch of underground is gathered in upper soll layer with the capillary in soil, and upper soll layer salt content is made to increase；In order to keep away
Exempt from when administering salt-soda soil, the salinity of underground gradually gathers earth's surface and influences the improvement that soil body upper strata obtains soil, is excavating
It pours water after soil into heatable adobe sleeping platform, and 3 days primary, totally 15 days, inhibits the upward aggregation of salinity.
Further, depth is irrigated as 10 ~ 20cm.
By using above-mentioned technical proposal, irrigate it is deep-controlled in 10 ~ 20cm, with inhibit based on the accumulation of salt in the surface soil rather than make can
Dissolubility salinity is completely into underground or dissolves into underground water, and salinity is avoided to be enriched in underground water and enters river or is taken again
With for irrigating.
Further, in the step S2, season of digging pit and water is advisable with spring.
By using above-mentioned technical proposal, select to excavate heatable adobe sleeping platform in spring, and pour heatable adobe sleeping platform, during spring, earth's surface water evaporation
Strongly, the salinity of lower section is gathered in upper soll layer as capillary rises, and the salinity of lower section is less, after excavating heatable adobe sleeping platform, surface layer
Salinity in soil and lower soil is more, and the salinity below heatable adobe sleeping platform is less, so as to which the big soil of salt content be gathered together
It is improved, after the soil improvement for avoiding top, the salinity of lower section continues up aggregation and destroys improved effect.
Further, in the step S2, collecting gutter bottom is set away from 3 ~ 8cm of heatable adobe sleeping platform surface.
By using above-mentioned technical proposal, by infiltrating irrigation, the soluble organic fraction in soil is washed away, with soil moisture
Saturation, extra waste liquid are discharged into collecting gutter, and collecting gutter bottom is set less than subsoil bottom, avoids the waste liquid in collecting gutter
It carries salinity and oozes back soil.
Further, salt-soda soil is divided into multiple governance units, each governance unit accordingly offers collecting gutter, multiple
The collecting gutter of governance unit is connected by drainpipe with sump.
By using above-mentioned technical proposal, the collecting gutter of multiple governance units is connected by drainpipe into sump,
Waste liquid is collected, staff is facilitated to focus on.
Further, in the step S3, before fertilizer landfill, biological degradable membrane is laid in heatable adobe sleeping platform bottom.
By using above-mentioned technical proposal, it is laid with biological degradable membrane on heatable adobe sleeping platform surface, then by subsoil and topsoil
It is stacked on biological degradable membrane, during rich reclamation of saline soil is administered, isolation lower section soil is preferential to administer top soil,
With the growth of time, top soil salt content continuously decreases, and biological degradable membrane is gradually by environmental factors such as microorganism, oxygen
It reduces, top soil connects with lower section soil, and remaining waste material improves lower section soil, increases the fertility of soil and penetrating
Property, salinity is avoided to assemble above soil, destroys improved effect.
Further, in the step S3, the fertilizer includes the component of following parts by weight：50 ~ 100 parts of calcium superphosphate,
1000 ~ 1200 parts of 10 ~ 30 parts of ammonium sulfate, 20 ~ 40 parts of potassium sulfate, 350 ~ 400 parts of feces of livestock and poultry and stalk.
By using above-mentioned technical proposal, filter acid calcium is a kind of water soluble quick-acting fertilizer, coordinates the water penetrated into soakaway
Divide quick penetrate into subsoil and topsoil；Calcium sulfate or potassium sulfate are dissolved in water, and water-soluble rear in acidity, can reduce soil pH
Value；It is entrained in fertilizer using containing the nutrients temperature feces of livestock and poultry such as large amount of organic and nitrogen, phosphorus, potassium, can not only solve to raise
Pollution of the poultry manure to environment, moreover it is possible to increase soil fertility；In addition, also crop straw burning is not only avoided mixed with stalk in fertilizer
Pollution on the environment afterwards, moreover it is possible to recycle the organic matter being rich in stalk, N P and K and trace element, improve soil fertilizer
Power, and organic fertilizer forms a large amount of humic sour component in the soil, adjusts soil pH value, alleviates soil hardening, so as to coordinate
Salicornia europaeal reduces surface soil alkalinity.
Further, in the step S4, the soil conditioner includes the component of following parts by weight：Flyash 200 ~
300 parts, 50 ~ 150 parts of rice husk carbon, wood vinegar 50 ~ 150 and gypsum 150 ~ 200.
By using above-mentioned technical proposal, whiting coal ash is spread in the soil, can improve the permeability of soil, increases soil
The content of middle nutritional trace element, and reduce soil salt content；It can improve soil property by applying rice husk carbon, crop is promoted to give birth to
It is long, and the salt content in soil can be reduced；Simultaneously apply wood vinegar, with rice husk carbon act synergistically, reduce soil pH value, kill except and
Inhibit the microorganism and pest in soil；And gypsum can be acted on the sodium carbonate in soil and sodium bicarbonate, generation is soluble in
The sodium sulphate of water, so as to reduce salinity；Gypsum, flyash and rice husk carbon are thickened by wood vinegar, facilitate soil conditioner can
It penetrates into each layer soil, gives full play to its effect.
Further, in the step S6, soakaway bottom is set away from 1 ~ 3cm of subsoil.
By using above-mentioned technical proposal, soakaway is not in direct contact with subsoil, avoids the clear water in soakaway direct
Subsoil is penetrated into, takes away the soil conditioner and fertilizer in subsoil.
In conclusion the invention has the advantages that：
1. by being in the subsoil that mound shape is set and the topsoil being laid on subsoil on heatable adobe sleeping platform, coordinate array setting
Soakaway can not only carry out the desalinization of soil by flooding or leaching, moreover it is possible to the brackish water after the desalinization of soil by flooding or leaching are collected into heatable adobe sleeping platform surrounding, prevent a large amount of salt to rich solonchak
Into underground water, administered conducive to the sustainable development and green of ecological environment；
2. by the cooperation of soil conditioner, fertilizer and salicornia europaeal, soil pH value is reduced, reduces soil salt content, and increase soil
Earth fertility.
Specific embodiment
Embodiment 1：The present invention provides a kind of modification method of alkaline land soil, includes the following steps：
S1：Salt-soda soil coverage area is measured, and several governance units are divided according to the graded and floor space of salt content.
S101：Heatable adobe sleeping platform is excavated at ready-portioned governance unit, specifically：Using 15cm as excavating depth, topsoil is dug out,
Topsoil is deposited in side, and the periodical moisturizing before backfill；Using 5cm as excavating depth, subsoil is dug out, by lower floor's mound
Product is in opposite side, and the periodical moisturizing before backfill.Since spring evaporation from topsoil amount is big, the salinity of soil lower floor is with dampening
Divide from the capillary in soil and gather upper soll layer, lower section salt content is smaller, so as to which staff be facilitated to concentrate the rich salt of improvement
Soil is avoided after improvement, and the salinity of lower section enrichment reassembles upper soll layer, fundamentally administers salt-soda soil, therefore,
Selection carries out heatable adobe sleeping platform in spring and digs.
S201：Collecting gutter is dug in heatable adobe sleeping platform edge, collecting gutter bottom is set away from heatable adobe sleeping platform surface 3cm, in such manner, it is possible to
It avoids in the soil that the ponding in collecting gutter overflows back above heatable adobe sleeping platform；Then the waterproof membrane on collecting gutter middle berth, to avoid containing big
The waste liquid of amount salinity oozes back soil；In addition, the collecting gutter of multiple governance units is connected by drainpipe into sump, so as to
Staff is facilitated to focus on waste liquid.
S202：The soil in rake heatable adobe sleeping platform is turned over, increases its permeability, and clear water is poured into heatable adobe sleeping platform, irrigates depth as 10cm,
And 3 days primary, 15 days altogether, so as to force down the position in the soil layer of salinity place, salinity below heatable adobe sleeping platform is inhibited to assemble upwards.And lead to
Moisture extra when collecting gutter discharge pours is crossed, underground water is avoided excessively to rise, and the salinity of underground is taken back into earth's surface again.
S301：Biological degradable membrane is laid on heatable adobe sleeping platform surface, during rich reclamation of saline soil is administered, completely cuts off lower necromancer
Earth, preferential to administer top soil, with the growth of time, top soil salt content continuously decreases, and biological degradable membrane is gradual
It is reduced by environmental factors such as microorganism, oxygen, top soil is connected with lower section soil, and remaining waste material changes lower section soil
It is good, increase the fertility and permeability of soil, salinity is avoided to assemble above soil, destroy improved effect.
S302：Fertilizer is accumulated in mound shape on heatable adobe sleeping platform, in this embodiment of the invention, fertilizer includes following parts by weight
Component：1000 parts of 50 parts of calcium superphosphate, 10 parts of ammonium sulfate, 20 parts of potassium sulfate, 350 parts of feces of livestock and poultry and stalk；The fertilizer of stacking
Material can not only increase soil fertility, moreover it is possible to reduce surface soil alkalinity.
S4：Heatable adobe sleeping platform backfills, specifically：Sand is mixed in subsoil, the subsoil back-filling in layers of sand will be mixed to soil
In hole, and every layer of 1cm thickness, spread between every layer and be covered with soil conditioner.In this embodiment of the invention, subsoil is equipped with 5
Layer, and be laid in mound shape, meanwhile, by impact compaction after every layer of subsoil laying, its permeability is being ensured by sand
Meanwhile improve its guidance quality to flow.In this embodiment of the invention, above-mentioned soil conditioner includes following parts by weight
Component：200 parts of flyash, 50 parts of rice husk carbon, wood vinegar 50 and gypsum 150, by soil conditioner, reduce insoluble salt into
Point, and surface soil alkalinity is reduced, improve soil property.
S5：Topsoil is backfilling on heatable adobe sleeping platform, is laid on subsoil, and flat surface, so as to which staff be facilitated to exist
It is planted in topsoil.
S6：Array opens up multiple soakaways in topsoil, wherein, soakaway bottom is set away from subsoil 1cm, to avoid
Infiltration directly contacts with soil conditioner and soil conditioner is made largely to be lost in；Then it is laid with semi-permeable membrane in soakaway, and
Equipped with clear water in soakaway, and keep completely filling state；Clear water is penetrated into topsoil soil by semi-permeable membrane, takes away salt downwards
Point, and fertilizer and soil conditioner is promoted to penetrate into soil, play effect.S7：Salicornia europaeal is planted in topsoil, until soil salt
Divide and be reduced to 0.3% hereinafter, planting economic crops again.
Embodiment 2：A kind of modification method of the alkaline land soil disclosed in the present embodiment with essentially identical in embodiment 1,
Its step the difference lies in：
S101：Heatable adobe sleeping platform is excavated at ready-portioned governance unit, specifically：Using 20cm as excavating depth, topsoil is dug out, by table
Layer soil is deposited in side, and the periodical moisturizing before backfill；Using 10cm as excavating depth, subsoil is dug out, subsoil is accumulated
In opposite side, and the periodical moisturizing before backfill.Since spring evaporation from topsoil amount is big, the salinity of soil lower floor is with moisture
Upper soll layer is gathered from the capillary in soil, lower section salt content is smaller, so as to which staff be facilitated to concentrate the rich solonchak of improvement,
It avoiding after improvement, the salinity of lower section enrichment reassembles upper soll layer, fundamentally administers salt-soda soil, therefore, choosing
It selects and is dug in spring progress heatable adobe sleeping platform.
S201：Collecting gutter is dug in heatable adobe sleeping platform edge, collecting gutter bottom is set away from heatable adobe sleeping platform surface 5cm, in such manner, it is possible to
It avoids in the soil that the ponding in collecting gutter overflows back above heatable adobe sleeping platform；Then the waterproof membrane on collecting gutter middle berth, to avoid containing big
The waste liquid of amount salinity oozes back soil；In addition, the collecting gutter of multiple governance units is connected by drainpipe into sump, so as to
Staff is facilitated to focus on waste liquid.
S202：The soil in rake heatable adobe sleeping platform is turned over, increases its permeability, and clear water is poured into heatable adobe sleeping platform, irrigates depth as 15cm,
And 3 days primary, 15 days altogether, so as to force down the position in the soil layer of salinity place, salinity below heatable adobe sleeping platform is inhibited to assemble upwards.And lead to
Moisture extra when collecting gutter discharge pours is crossed, underground water is avoided excessively to rise, and the salinity of underground is taken back into earth's surface again.
S302：Fertilizer is accumulated in mound shape on heatable adobe sleeping platform, in this embodiment of the invention, fertilizer includes following parts by weight
Component：1100 parts of 75 parts of calcium superphosphate, 20 parts of ammonium sulfate, 30 parts of potassium sulfate, 380 parts of feces of livestock and poultry and stalk；The fertilizer of stacking
Material can not only increase soil fertility, moreover it is possible to reduce surface soil alkalinity.
S4：Heatable adobe sleeping platform backfills, specifically：Sand is mixed in subsoil, the subsoil back-filling in layers of sand will be mixed to soil
In hole, and every layer of 2cm thickness, spread between every layer and be covered with soil conditioner.In this embodiment of the invention, subsoil is equipped with 5
Layer, and be laid in mound shape, meanwhile, by impact compaction after every layer of subsoil laying, its permeability is being ensured by sand
Meanwhile improve its guidance quality to flow.In this embodiment of the invention, above-mentioned soil conditioner includes following parts by weight
Component：250 parts of flyash, 100 parts of rice husk carbon, wood vinegar 100 and gypsum 180, by soil conditioner, reduce insoluble salt into
Point, and surface soil alkalinity is reduced, improve soil property.
S6：Array opens up multiple soakaways in topsoil, wherein, soakaway bottom is set away from subsoil 2cm, to avoid
Infiltration directly contacts with soil conditioner and soil conditioner is made largely to be lost in；Then it is laid with semi-permeable membrane in soakaway, and
Equipped with clear water in soakaway, and keep completely filling state；Clear water is penetrated into topsoil soil by semi-permeable membrane, takes away salt downwards
Point, and fertilizer and soil conditioner is promoted to penetrate into soil, play effect.
Embodiment 3：A kind of modification method of the alkaline land soil disclosed in the present embodiment with essentially identical in embodiment 1,
Its step the difference lies in：
S101：Heatable adobe sleeping platform is excavated at ready-portioned governance unit, specifically：Using 25cm as excavating depth, topsoil is dug out, by table
Layer soil is deposited in side, and the periodical moisturizing before backfill；Using 15cm as excavating depth, subsoil is dug out, subsoil is accumulated
In opposite side, and the periodical moisturizing before backfill.Since spring evaporation from topsoil amount is big, the salinity of soil lower floor is with moisture
Upper soll layer is gathered from the capillary in soil, lower section salt content is smaller, so as to which staff be facilitated to concentrate the rich solonchak of improvement,
It avoiding after improvement, the salinity of lower section enrichment reassembles upper soll layer, fundamentally administers salt-soda soil, therefore, choosing
It selects and is dug in spring progress heatable adobe sleeping platform.
S201：Collecting gutter is dug in heatable adobe sleeping platform edge, collecting gutter bottom is set away from heatable adobe sleeping platform surface 8cm, in such manner, it is possible to
It avoids in the soil that the ponding in collecting gutter overflows back above heatable adobe sleeping platform；Then the waterproof membrane on collecting gutter middle berth, to avoid containing big
The waste liquid of amount salinity oozes back soil；In addition, the collecting gutter of multiple governance units is connected by drainpipe into sump, so as to
Staff is facilitated to focus on waste liquid.
S202：The soil in rake heatable adobe sleeping platform is turned over, increases its permeability, and clear water is poured into heatable adobe sleeping platform, irrigates depth as 20cm,
And 3 days primary, 15 days altogether, so as to force down the position in the soil layer of salinity place, salinity below heatable adobe sleeping platform is inhibited to assemble upwards.And lead to
Moisture extra when collecting gutter discharge pours is crossed, underground water is avoided excessively to rise, and the salinity of underground is taken back into earth's surface again.
S302：Fertilizer is accumulated in mound shape on heatable adobe sleeping platform, in this embodiment of the invention, fertilizer includes following parts by weight
Component：1200 parts of 100 parts of calcium superphosphate, 30 parts of ammonium sulfate, 40 parts of potassium sulfate, 400 parts of feces of livestock and poultry and stalk；The fertilizer of stacking
Material can not only increase soil fertility, moreover it is possible to reduce surface soil alkalinity.
S4：Heatable adobe sleeping platform backfills, specifically：Sand is mixed in subsoil, the subsoil back-filling in layers of sand will be mixed to soil
In hole, and every layer of 3cm thickness, spread between every layer and be covered with soil conditioner.In this embodiment of the invention, subsoil is equipped with 5
Layer, and be laid in mound shape, meanwhile, by impact compaction after every layer of subsoil laying, its permeability is being ensured by sand
Meanwhile improve its guidance quality to flow.In this embodiment of the invention, above-mentioned soil conditioner includes following parts by weight
Component：300 parts of flyash, 150 parts of rice husk carbon, wood vinegar 150 and gypsum 200, by soil conditioner, reduce insoluble salt into
Point, and surface soil alkalinity is reduced, improve soil property.
S6：Array opens up multiple soakaways in topsoil, wherein, soakaway bottom is set away from subsoil 3cm, to avoid
Infiltration directly contacts with soil conditioner and soil conditioner is made largely to be lost in；Then it is laid with semi-permeable membrane in soakaway, and
Equipped with clear water in soakaway, and keep completely filling state；Clear water is penetrated into topsoil soil by semi-permeable membrane, takes away salt downwards
Point, and fertilizer and soil conditioner is promoted to penetrate into soil, play effect.
In conclusion handling soil according to how much selection examples 1 to 3 of soil salt content, wherein embodiment 3 administers speed
Degree is most fast, and regulation effect is best.
Described above is only the preferred embodiment of invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of modification method of alkaline land soil, which is characterized in that include the following steps：
S1：Dig heatable adobe sleeping platform：Using 15 ~ 25cm as excavating depth, topsoil is excavated, and it is spare that topsoil is stacked into side, then with 5
~ 15cm is excavating depth, excavates subsoil, and it is spare that subsoil is stacked into opposite side；
S2：It opens up collecting gutter at heatable adobe sleeping platform bottom margin, and sets up defences moisture film in collecting gutter middle berth, the collecting gutter is connected to a collection
Well；
S3：Fertilizer is stacked in heatable adobe sleeping platform, and fertilizer is set in mound shape；
S4：Heatable adobe sleeping platform backfills：Sand is mixed in subsoil, is covered on fertilizer, subsoil is stacked into mound shape and rams processing；
Wherein, subsoil backfills several times, is set into multilayered structure, and per 1 ~ 3cm of thickness, often backfills one layer of subsoil, uniformly
It spreads and covers one layer of soil conditioner；
S5：Topsoil, and smooth topsoil surface are filled out in the mound last time that subsoil is formed；
S6：Array opens up multiple soakaways in topsoil, and semi-permeable membrane is laid in soakaway, is then installed in soakaway
Clear water, and clear water is kept completely to fill state；
S7：Salicornia europaeal is planted in topsoil, until soil salt is down to less than 0.3%.
2. the modification method of a kind of alkaline land soil according to claim 1, which is characterized in that in the step S2, open
If step is further included after collecting gutter：The soil in rake heatable adobe sleeping platform is turned over, and is irrigated heatable adobe sleeping platform with water, 3 days primary, 15 days altogether.
3. a kind of modification method of alkaline land soil according to claim 2, which is characterized in that irrigate depth for 10 ~
20cm。
4. a kind of modification method of alkaline land soil according to claim 3, which is characterized in that in the step S2,
Season of digging pit and water is advisable with spring.
5. a kind of modification method of alkaline land soil according to claim 1, which is characterized in that in the step S2, collection
Ditch bottom is set away from 3 ~ 8cm of heatable adobe sleeping platform surface.
6. the modification method of a kind of alkaline land soil according to claim 5, which is characterized in that be divided into salt-soda soil more
A governance unit, each governance unit accordingly offer collecting gutter, and the collecting gutters of multiple governance units is by drainpipe with catchmenting
Well is connected.
7. a kind of modification method of alkaline land soil according to claim 1, which is characterized in that in the step S3,
Before fertilizer landfill, biological degradable membrane is laid in heatable adobe sleeping platform bottom.
8. a kind of modification method of alkaline land soil according to claim 1, which is characterized in that in the step S3, institute
State the component that fertilizer includes following parts by weight：50 ~ 100 parts of calcium superphosphate, 10 ~ 30 parts of ammonium sulfate, 20 ~ 40 parts of potassium sulfate, livestock and poultry
1000 ~ 1200 parts of 350 ~ 400 parts of excrement and stalk.
9. a kind of modification method of alkaline land soil according to claim 1, which is characterized in that in the step S4, institute
State the component that soil conditioner includes following parts by weight：200 ~ 300 parts of flyash, 50 ~ 150 parts of rice husk carbon, wood vinegar 50 ~ 150
With gypsum 150 ~ 200.
10. the modification method of a kind of alkaline land soil according to claim 1, which is characterized in that in the step S6, ooze
Puddle bottom is set away from 1 ~ 3cm of subsoil.
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| CN201810012943.4A CN108184356A (en) | 2018-01-06 | 2018-01-06 | A kind of modification method of alkaline land soil |
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| CN109618591A (en) * | 2019-02-28 | 2019-04-16 | 袁彩霞 | Ridge slope type soil improvement method |
| CN112205112A (en) * | 2020-08-24 | 2021-01-12 | 天津长芦汉沽盐场有限责任公司 | Saline-alkali soil improvement method |
| CN112219486A (en) * | 2020-10-19 | 2021-01-15 | 安徽天润建筑工程集团有限公司 | Alkaline planting soil improvement process |
| CN113519226A (en) * | 2020-04-22 | 2021-10-22 | 民勤大漠田园农业科技有限责任公司 | Saline-alkali sandy soil improvement method |
| CN113519227A (en) * | 2020-04-22 | 2021-10-22 | 民勤大漠田园农业科技有限责任公司 | Economic forest cultivation method for saline-alkali sand land |
| CN115368191A (en) * | 2022-08-02 | 2022-11-22 | 山东芯喜乐生物科技有限公司 | Microbial cultivation matrix for conserving soil and soil conservation method |
| CN116040992A (en) * | 2022-12-14 | 2023-05-02 | 衢州学院 | Planting concrete and preparation and construction method thereof |
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| CN115368191A (en) * | 2022-08-02 | 2022-11-22 | 山东芯喜乐生物科技有限公司 | Microbial cultivation matrix for conserving soil and soil conservation method |
| CN116040992A (en) * | 2022-12-14 | 2023-05-02 | 衢州学院 | Planting concrete and preparation and construction method thereof |
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