CN108018044A - Heavy salinized native improved materials and modification method - Google Patents
Heavy salinized native improved materials and modification method Download PDFInfo
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- CN108018044A CN108018044A CN201711169113.4A CN201711169113A CN108018044A CN 108018044 A CN108018044 A CN 108018044A CN 201711169113 A CN201711169113 A CN 201711169113A CN 108018044 A CN108018044 A CN 108018044A
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- soil
- improved materials
- iron tailings
- heavy salinized
- native
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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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
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
Abstract
The purpose of the present invention is be directed to the problem of reclamation of salinep-alkali soil technique study in the prior art to severe varieties in saline-alkali areas is less, there is provided a kind of heavy salinized native improved materials and modification method, belong to reclamation of salinep-alkali soil technical field.The improved materials are made of iron tailings, soil conditioner and fertile soil；Alternatively, the improved materials are made of iron tailings, soil conditioner, fertile soil and calcium superphosphate.The present invention builds iron tailings aggregate first in degradability Seedling bag, then recycles iron tailings aggregate with improveing heavy salinized soil property.On the premise of certain yield is ensured, compound, the formation organic mineral complex of iron tailings and organic matter can be realized in a short time, and forms the homogeneous soil texture of quality with saline-alkali soil, ensure the stability of quality improvement.
Description
Technical field
The invention belongs to reclamation of salinep-alkali soil technical field, more particularly to a kind of heavy salinized native improved materials and improvement side
Method.
Background technology
Saline-alkali soil is solonchak and alkaline earth and the general name of various salinization and alkali soil.Wherein, solonchak refers to containing largely may be used
Dissolubility salt and most plants is typically up to more than 0.6% from the soil that grows, its salt content；Alkaline earth refers to Sodium by substitution
The percentage of ionic cation replacement amount（ESP）More than the soil of 20% strong basicity.The formation of salt affected soil, its essence are mainly
Various ease of solubility salts（Potassium, sodium, calcium, the chloride of magnesium, sulfate, heavy carbonate etc.）Make horizontal direction and Vertical Square on ground
To redistribute so that salinity is built up in upper soll layer.The physics and chemical property of salinized soil are all poor, its
It is mainly shown as that salinity or basicity are excessive, causes root system of plant water shortage or receive murder by poisoning, the soil texture glues weight, and aggregate is less,
Soil hardening when arid, it is permeable, gas permeability is poor, it is totally unfavorable to agricultural production.
At present, administering the method in salt-soda soil has engineering measure and water resources industry, as CN 103621209A administer improvement salt
The method on alkali ground, CN101347790A improvement salt-soda soil ground method, CN 105165167A method for desalting salinized soil, CN
102349371A Saline-Sodics paddy field quick desalination alkali ploughs method of soil preparation, this kind of method mainly by leveling land, drainage trenching
Canal, plough, rotary tillage, the tillage control measure such as soaked field, reduce water level using gutter drainage or vertical drainage and reduce saline and alkaline rising, or logical
Irrigation desalinization of soil by flooding or leaching alkali etc. is crossed to be improved；Salt discharge pipeline and salt discharge hole are built, such as CN 202587801U salt-soda soils salt discharge alkali pipe,
CN 204810883U salt discharge alkali pipes, CN 204968401U salt-soda soil salt discharge alkali hidden pipes, CN 203791335U salt-soda soils
Salt discharge alkali mechanism, a kind of coastal alkaline land cotton desalinization of soil by flooding or leaching row alkali devices of CN 204733557U, 104054425 A salt-soda soils of CN
Improvement system and modification method etc., this kind of method is mainly by being such as laid with salt discharge pipeline and salt discharge hole.The salinity in salt-soda soil is led to
Cross salt discharge hole and salt discharging pipe goes out outside field, have the function that finally to reduce soil alkaline, improvement soil；Structure changes every salt layer method
It is good, such as 105393666 A saline and alkali land improvement methods of CN, a kind of methods in rebuilding and improving salt-soda soil of 1759943 A of CN, CN
105165167 A method for desalting salinized soil, a kind of plantations for the method and salt-soda soil for improveing salt-soda soil of 102232328 A of CN
Method, CN 102550159A salt-soda soils suppression control salt method and salt-soda soil suppression control salt system, weight in 104115586 A one kind of CN
Saline-alkali soil treatment method etc. is spent, this kind of method is built every salt deposit usually in the range of the certain depth of salt-soda soil（Clinker, quartz sand
Deng）, grouting or set gas permeability antiseepage aggregate layer（Quartz sand, slag, haydite or glass are micro- etc.）The methods of prevent underground water on
Move so that underground water can not carry a large amount of salinities and enter most crops root growth region, so as to long-term cropping, together
When salt-soda soil is gradually improved.
And improved using modifying agent, conditioning agent or improved materials etc., as 102775250 A one kind of CN is saline and alkaline
Ground fertilizer, 103922846 A saline and alkali land improvement methods of CN, 106146198 A salt resistance alkali organic fertilizer of CN, CN
102517030 A alkaline land modifying agents, a kind of methods for improveing salt-soda soil of 104871678 A of CN, 106278522 A of CN
A kind of saline alkali soil conditioner, 106220415 A of CN it is a kind of for salt affected soil improvement feature water-soluble fertilizer and its should
With, a kind of saline-alkali soil conditioners of CN101624523A, CN 102898237A, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly, CN
102936503 A contain Soil ventilation improvement synergist of iron tailings and preparation method thereof, a kind of profits of 102936502 A of CN
The anti-accumulation of salt in the surface soil alkaline agent prepared with iron tailings and its application in salt-soda soil, the CN101481281A soda alkaline land comprehensive regulations
Agent and its application method etc., this kind of method are mainly changed by applying organic fertilizer, inorganic fertilizer, conditioning agent, microbial manure etc.
Good dose improves soil texture, increase retention capacity of soil, improves soil nutrient or by saline-alkali soil repair materials, as oyster shell,
The materials such as ardealite, aluminum sulfate, diatomite, montmorillonite, attapulgite, breeze, using absorption, displacement, neutralization, fertilizer conservation, every salt
The methods of improve alkaline land soil.
But for heavy salinized area, such as severe solonchak of the salt content 4 ~ 6 ‰, drought, water resources shortage,
Draining is obstructed, lacks the desalinization of soil by flooding or leaching, salt discharge condition, and surface evaporation is more than natural precipitation, and the soil liquid is constantly reduced, and salinity easily exists
Gather in plant, plant physiology metabolism is affected.Using engineering measure and water resources industry or agro-ecology improvement or chemistry
The measure effects such as improvement are little, or even can not carry out.Therefore, it is necessary to further study the saline and alkaline land reform to severe varieties in saline-alkali areas
Good recipe method.
The content of the invention
It is less the purpose of the present invention is being directed to reclamation of salinep-alkali soil technique study in the prior art to severe varieties in saline-alkali areas
The problem of, there is provided a kind of heavy salinized native improved materials and modification method.The present invention is first in degradability Seedling bag
Iron tailings aggregate is built, then recycles iron tailings aggregate with improveing heavy salinized soil property.Before certain yield is ensured
Put, can realize compound, the formation organic mineral complex of iron tailings and organic matter in a short time, and matter is formed with saline-alkali soil
The homogeneous soil texture in ground, ensures the stability of quality improvement.
One of technical scheme is that a kind of heavy salinized native improved materials, the improved materials are by mass parts
Number is respectively 30~50 parts, 0.05 ~ 0.1 part and 49.7 ~ 69.85 parts of iron tailings, soil conditioner and fertile soil composition；
Alternatively, it is respectively 30~50 parts, 0.05 ~ 0.1 part, 49.7 ~ 69.85 parts and 0.05 ~ 0.1 part of iron tailings, soil by mass fraction
Earth texture modifier, fertile soil and calcium superphosphate composition.
Further, above-mentioned improved materials, the particle size range of the iron tailings sand is 0.05 ~ 2mm.
Further, above-mentioned improved materials, it is largely first that the content of beary metal in the iron tailings sand meets the Ministry of Agriculture
The toxic element limit standard of plain fertilizer.
Further, above-mentioned improved materials, the soil conditioner include polyacrylamide, polyvinyl alcohol and drip
Blue or green emulsion；Preferably, the soil conditioner is anion-polyacrylamide, pH effective ranges 5 ~ 13, in highly basic
Condition remains to play preferable complexing.
The two of technical scheme are that a kind of heavy salinized native modification method, employs above-mentioned improved materials, bag
Include following steps：
1）Improved materials are taken to be fitted into degradable Seedling bag, in preferably ploughing the phase by Seedling bag and being implanted into and wait to improve heavy salinized ground；
2）The seedling for treating long-term cropping or seed are planted in degradable Seedling bag, other farming and field management are made with crop field
Thing；
3）The plant of plantation is reunited in growth period, rhizome secretion with the improved materials in Seedling bag with forming iron tailings
Body, after harvest time, the material in Seedling bag is mixed with salt-soda soil topsoil soils to be improved.
Further, above-mentioned modification method, the degradable Seedling bag, degradation time 2 ~ 4 months, has well
Melt water, melt soil nature and gas permeability, and the circular hole of 2 ~ 5mm of Φ is beaten below the middle part of Seedling bag, circular hole spacing 8-10mm.
Compared with prior art, the present invention it significantly has the beneficial effect that：
1. present invention process is simple, easy to implement, pollution-free, raw material sources are extensive, cheap, and production cost is low.
2. pair severe reclamation of salinep-alkali soil positive effect.Heavy salinized native salt content 4 ~ 6 ‰, crop emergence and growth are tired
Difficulty, this method can effectively improve crop emergence rate and harvest, and during being improved to it, undergo improved materials and drop first
Solution bag implants root exudates, organic matter, fertile soil are combined into the process of organic mineral complex, and polyacrylamide is in nursery
Constantly permeate, spread in bag, due to the characteristic of its structure, can with disperse in soil colloidal particle, secretions from plant roots,
Organic matter and iron tailings particle complexing together, mutually it is cementing, by mineralising, it is compound after form iron tailings aggregate, at this time
Iron tailings aggregate proportion substantially reduce, be closer to saline-alkali soil proportion.By iron tailings group similar in proportion and saline-alkali soil
After aggressiveness is mixed with saline-alkali soil, both compound processes can be improved, and then improve the structure of saline-alkali soil, and effectively suppress iron tailings
Differential settlement and lamination in saline-alkali soil, can ensure the stability of saline-alkali soil quality improvement to a certain extent,
Improvement of the realization progressively stablized while crop normal growth is maintained to severe salt-soda soil.
3. reduce heavy salinized native cost.Since iron tailings sand is iron ore mine production discarded object, improvement uses iron tail
Ore in sand form realizes and it is recycled, and reduces improvement cost.
Embodiment
Below by way of specific embodiment, the invention will be further described.
The iron tailings sand used in following embodiments is Anshan type iron tailings, and from Anshan mining company Tailings Dam, it is changed
Learn in component, SiO2The harmful components such as content 76.1%, total iron content 11.31%, heavy metal are extremely low, meet Ministry of Agriculture's a great number of elements
The toxic element limit standard of fertilizer, the particle size range of iron tailings sand is 0.05 ~ 2mm
Embodiment 1
Taken by following mass percent：30% iron tailings sand, 0.05% anion-polyacrylamide, 0.1% peroxophosphoric acid
Calcium, 69.85% fertile soil, is uniformly mixed, and heavy salinized native improved materials are made.Weigh above-mentioned improved materials 4.5kg and be put into number
In a degradable nonwoven fabrics Seedling bag, which is：Degradation time 3 months or so, have well
Melt water, melt soil nature and gas permeability, diameter 20cm, high 10cm, flat mouth, and the following circular hole for beating Φ 3mm in the middle part of Seedling bag,
Circular hole spacing 8-10mm.Seedling bag is implanted into May heavy salinized（Coastal saline-alkali soil, soil salt content 4.7 ‰,
pH8.68）In.The maize planting in degradable nonwoven fabrics Seedling bag, 2 every bag, other farming and field management are made with crop field
Thing.The plant of plantation in growth period, rhizome secretion with the improved materials in Seedling bag with forming iron tailings aggregate, receive
After obtaining the phase, the material in Seedling bag is mixed with crop field topsoil soils.Then as stated above with a piece of heavy salinized
Ground continuously three batches of plantation.At the same time with same amount of iron tailings sand, polyacrylamide, calcium superphosphate, fertile soil and same area
Saline-alkali soil topsoil directly mixes continuous three batches of plantation as control.
Improved results are shown in Table 1, it can be seen from the results that the method and improved materials of the present invention can effectively improve severe
Saline-alkali soil and soil will not produce differential settlement and layering.
Soil physico-chemical property and yield after a kind of table plants three batches
Embodiment 2
Taken by following mass percent：40% iron tailings sand, 0.05% anion-polyacrylamide, 0.1% calcium superphosphate
Fertile soil with 59.85% uniformly mixes, and heavy salinized native improved materials are made.Weigh above-mentioned improved materials 4.5kg, be put into
In the identical degradable Seedling bag of embodiment 1, mode same as Example 1 improves the heavy salinized soil of same area；At the same time
With same amount of iron tailings sand, polyacrylamide, calcium superphosphate, fertile soil and same area the saline-alkali soil topsoil directly company of mixing
Continuous three batches of plantation is as control.
Improved results are shown in Table 2.
Soil physico-chemical property and yield after 2 kinds of table plants three batches
Embodiment 3
Taken by following mass percent：50% iron tailings sand, 0.05% anion-polyacrylamide, 0.1% calcium superphosphate
Fertile soil with 49.85% uniformly mixes, and heavy salinized native improved materials are made.Weigh above-mentioned improved materials 4.5kg, be put into
In the identical degradable Seedling bag of embodiment 1, mode same as Example 1 improves the heavy salinized soil of same area；At the same time
With same amount of iron tailings sand, polyacrylamide, calcium superphosphate, fertile soil and same area the saline-alkali soil topsoil directly company of mixing
Continuous three batches of plantation is as control.
Improved results are shown in Table 3.
Soil physico-chemical property and yield after 3 kinds of table plants three batches
Claims (8)
1. a kind of heavy salinized native improved materials, it is characterised in that the improved materials are respectively 30~50 by mass fraction
Part, the iron tailings of 0.05 ~ 0.1 part and 49.7 ~ 69.85 parts, soil conditioner and fertile soil form；Alternatively, by mass parts
Number be respectively 30~50 parts, 0.05 ~ 0.1 part, 49.7 ~ 69.85 parts and 0.05 ~ 0.1 part iron tailings, soil conditioner,
Fertile soil and calcium superphosphate composition.
2. a kind of heavy salinized native improved materials according to claim 1, it is characterised in that the iron tailings sand
Particle size range is 0.05 ~ 2mm.
A kind of 3. heavy salinized native improved materials according to claim 1 or 2, it is characterised in that the iron tailings
Content of beary metal in sand meets the toxic element limit standard of Ministry of Agriculture's a great number of elements fertilizer.
4. a kind of heavy salinized native improved materials according to claim 1, it is characterised in that the soil texture changes
Good dose includes polyacrylamide, polyvinyl alcohol and asphalt emulsion.
A kind of 5. heavy salinized native improved materials according to claim 4, it is characterised in that the polyacrylamide
For anion-polyacrylamide, pH effective ranges 5 ~ 13.
6. a kind of heavy salinized native modification method, employs the improved materials described in claim 1, it is characterised in that including
Following steps：
1）Improved materials are taken to be fitted into degradable Seedling bag, in preferably ploughing the phase by Seedling bag and being implanted into and wait to improve heavy salinized ground；
2）The seedling for treating long-term cropping by 1 ~ 4 or 1 ~ 4 seed are planted in Seedling bag, other farming and field management are the same as big
Field crop；
3）The plant of plantation is reunited in growth period, rhizome secretion with the improved materials in Seedling bag with forming iron tailings
Body, after harvest time, the material in Seedling bag is mixed with salt-soda soil topsoil soils to be improved.
A kind of 7. heavy salinized native modification method according to claim 6, it is characterised in that the degradable nursery
Bag, degradation time 2 ~ 4 months, has good melt water, melts soil nature and gas permeability.
8. a kind of heavy salinized native modification method according to claim 6, it is characterised in that below the middle part of Seedling bag
Beat the circular hole of 2 ~ 5mm of Φ, circular hole spacing 8-10mm.
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| CN201711169113.4A CN108018044A (en) | 2017-11-22 | 2017-11-22 | Heavy salinized native improved materials and modification method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097790A (en) * | 2019-12-24 | 2020-05-05 | 鞍钢集团矿业有限公司 | Method for repairing saline-alkali soil by using salt discharge pipe, iron tailings and modifier |
| CN111117640A (en) * | 2019-12-24 | 2020-05-08 | 鞍钢集团矿业有限公司 | Saline-alkali soil improver containing glomus mosseae and improvement method |
| CN112441858A (en) * | 2020-11-05 | 2021-03-05 | 天津渤化环境修复股份有限公司 | Saline-alkali soil improvement repairing agent |
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|---|---|---|---|---|
| CN111097790A (en) * | 2019-12-24 | 2020-05-05 | 鞍钢集团矿业有限公司 | Method for repairing saline-alkali soil by using salt discharge pipe, iron tailings and modifier |
| CN111117640A (en) * | 2019-12-24 | 2020-05-08 | 鞍钢集团矿业有限公司 | Saline-alkali soil improver containing glomus mosseae and improvement method |
| CN112441858A (en) * | 2020-11-05 | 2021-03-05 | 天津渤化环境修复股份有限公司 | Saline-alkali soil improvement repairing agent |
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