CN105154089A - Coastal saline area conditioner and preparation method and application method thereof - Google Patents
Coastal saline area conditioner and preparation method and application method thereof Download PDFInfo
- Publication number
- CN105154089A CN105154089A CN201510539941.7A CN201510539941A CN105154089A CN 105154089 A CN105154089 A CN 105154089A CN 201510539941 A CN201510539941 A CN 201510539941A CN 105154089 A CN105154089 A CN 105154089A
- Authority
- CN
- China
- Prior art keywords
- amendment
- saltings
- montmorillonite
- soil
- phosphogypsum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a coastal saline area conditioner and a preparation method and an application method thereof. The coastal saline area conditioner is prepared from phosphorus, oil cake, monopotassium phosphate, mushroom residue, wormcast, cactus, biogas residue, polymeric ferric sulfate, montmorillonite and nitric acid. The coastal saline area conditioner prepared from the montmorillonite, the polymeric ferric sulfate, polymeric ferric silicate-sulfate and ardealite can neutralize charge on the surface of sodium colloid and destabilize the sodium colloid to promote calcium ions in the ardealite to substitute sodions in colloidal complex, salinity content and pH value in the saline area are lowered greatly, few sodions not taken away with water are absorbed by the montmorillonite, and salinity content in aqueous solution in soil is further lowered accordingly.
Description
Technical field
The present invention relates to the improving technology field in saltings, specifically, relate to a kind of beach saline land amendment and preparation method thereof and application process.
Background technology
Saltings be saline land with alkali ground general name.Solonchak mainly refers to chloride or the higher salinization soil of vitriol, and soil is in alkalescence, but pH value is not necessarily very high.Refer to carbonate containing or heavy phosphatic soil, pH value is higher, and soil is in alkalescence alkali.The organic content in saltings is few, and soil fertility is low, and physicochemical character is poor, and the anions and canons harmful to crop is many, and crop is short seedling not easily.The area in saltings, the whole world is 9.5438 hundred million hectares, and wherein China is 9,913 ten thousand hectares.The formation of China's alkali ground and alkali-affected soil, major part is accumulative relevant with Carbonates In Soil, and thus basicity is general higher, and serious saltings regional plant almost can not be survived.The salinization in soil has been worldwide ecological problem, and the saline Land degree in current global range is obvious ascendant trend, and the salinization in soil has become the important limiting factor of world agriculture Sustainable development.For the improvement in saltings, conventional method has: 1, the desalinization of soil by flooding or leaching, and the desalinization of soil by flooding or leaching is poured into water in saltings exactly, and soil salt is dissolved, by under being oozed and be discharged in deep soil or drip washing is gone out saline and alkaline for the solubility in topsoil, infiltration waterways, side is got rid of; 2, level land, level land under can making uniform moisture and ooze, improve the effect that rainfall is drenched salt and irrigated the desalinization of soil by flooding or leaching, prevent the salinification of soil plaque-like; 3, rake the soil level, the table soil that can loosen of raking the soil level, blocks soil capillary water and carries salinity to earth's surface, play the effect preventing the accumulation of salt in the surface soil in good time; 4, applying organic manure, rational use of chemical fertilizer, fertilizer forms soil ulmin through microbial decomposition, conversion, can improve the surge capability of soil, and can form sodium humate with sodium carbonate effect, reduces surface soil alkalinity.5, effectively can improve soil with saltings special-purpose soil amendment " solodization ".
Phosphogypsum is the by product in production process of phosphoric acid, often produce one ton of Vanadium Pentoxide in FLAKES by-product, five tons of phosphogypsums, utilization at present for phosphogypsum mainly contains four aspects, 1, phosphoric acid cream is used for backfill pit, fill mine working with phosphogypsum, fill cost and account for 1/5 of mining cost, not only saved filling cost, and improve utilization of three wastes rate, decrease environmental pollution.But, due to factors such as phosphogypsum jelling agent casting resin viscosity is high, sedimentation fast, condensation is fast, many, the easy pluggings of fine particle, difficult cleanings; 2, by the agent of phosphogypsum production Flocculated Cement, the crystal habit of phosphogypsum is identical with the plaster of paris, for prismatic or cylindricality plate crystal, chemical composition and plaster of paris composition basic simlarity, but due to containing solubility Vanadium Pentoxide in FLAKES, phosphoric acid salt, soluble fluoride, insoluble Vanadium Pentoxide in FLAKES and organic impurity etc., the hydration time of cement can be extended, reduce early strength and extend time of coagulation, therefore phosphogypsum directly can not be used as the retardant of cement; 3, by phosphogypsum sulphur ammonium and calcium carbonate, the method utilizes ammonia and carbonic acid gas that phosphogypsum is changed into sulphur ammonium and calcium carbonate, and the specification of quality of the method to phosphogypsum is higher, and Production Flow Chart is long, and investment is large; 4, phosphogypsum is used for improve alkaline soil, containing Vanadium Pentoxide in FLAKES in phosphogypsum, cause phosphogypsum aobvious acid, its pH value is 1.5 ~ 4.5, can be used to the alkalescence in sweetening of the soil, and the compositions such as the phosphorus contained in phosphogypsum, iron, magnesium, silicon, zinc, sulphur and the calcium nutritive element that to be plant-growth necessary.
Phosphogypsum is utilized and improves saltings, after phosphogypsum is manured into soil, can be the solubility calcium that soil provides sufficient, sodium ion in colloidal complex is replaced out, thus the basicity in reduction soil, promote the formation of soil aggregate, prevent soil epidermis from crusting, reduce the pH value of soil, increase the penetrating power of soil.At present, adopting and using separately phosphogypsum to improve saltings method is applied after in saltings by phosphogypsum, carry out leaching process immediately, the method can improve the Soil structure in saltings to a certain extent, but it is consuming time longer, general needs two triennium ability Planting Crops, and use phosphogypsum process on slight alkaline land after, the percentage of germination of farm crop is still lower and later stage growing way is bad.Someone utilizes phosphogypsum to be mixed with into amendment with flyash, humic acid and high nitrogen fertilizer material etc., and the effect obtained is better than using separately phosphogypsum, but high expensive, and effect is still not good enough.Be the soil conditioner and production and preparation method thereof of raw material production as the application number application for a patent for invention that is 201210522182.X discloses with phosphogypsum, this amendment has phosphogypsum, humic acid, ferrous sulfate, urea and sulfuric acid to be mixed, and it has improves Soil structure, adjustment soil pH, characteristic such as activation soil nutrient elements and supplementary Trace Elements in Soil calcium, sulphur, iron and zinc etc. to a certain extent.But this amendment cost is relatively high, lower to the adjustment force of soil pH.
Summary of the invention
In view of this, the object of this invention is to provide a kind of beach saline land amendment and preparation method thereof and application process, this saltings amendment adopts phosphorus, oil cake, potassium primary phosphate, bacterium chaff, wormcast, Root and stem of Cholla, natural pond slag, bodied ferric sulfate, ferric-polysilicate, montmorillonite and preparation of nitric acid to form, and effectively can improve the Soil structure in saltings, reduce soil pH.
The present invention realizes above-mentioned technique effect particular by following technical scheme.
A kind of beach saline land amendment, with parts by weight, is prepared from by following raw material:
Described beach saline land amendment, with parts by weight, is prepared from by following raw material:
Described beach saline land amendment, with parts by weight, is prepared from by following raw material:
In described oil cake containing organic 75 ~ 85%, nitrogen 1.1 ~ 7.0%, Vanadium Pentoxide in FLAKES 0.4 ~ 3.0%, potassium oxide 0.9 ~ 2.1%, protein be 1.5 ~ 3.7%, robust fibre 6 ~ 10.7%, calcium 0.8 ~ 11%, choline 0.27 ~ 0.70%, nicotinic acid 0.6 ~ 1.2% and other vitamin substances 1.3 ~ 2.0.
In described bacterium chaff containing crude protein be 9.0 ~ 11.0%, robust fibre 6.0 ~ 7.0%, crude fat 0.1 ~ 0.2%, nitrogen-free extract 45 ~ 50%, calcium 3.0 ~ 3.5%, phosphorus 2.0 ~ 3.0%, Methionin 1.0 ~ 1.5%, tryptophane 0.5 ~ 0.8%, methionine(Met) ten Gelucystine 1 ~ 1.5% and coarse ash 8.0 ~ 10.0%.
In described phosphogypsum, the content of terra alba is 50.7 ~ 86.2%, the content of total Vanadium Pentoxide in FLAKES is 0.01 ~ 13.3%, the content of solubility Vanadium Pentoxide in FLAKES is 0.01 ~ 0.68%, magnesian content is 0.23 ~ 0.53%, the content of fluorion is 0.12 ~ 0.48%, and pH value is 2.1 ~ 4.6.
Described Root and stem of Cholla is the succulent stem of cactus of life in 2 ~ 10 years.
The preparation method of described beach saline land amendment, comprises the following steps:
(1) raw materials pretreatment: drying phosphogypsum to moisture content is 5 ~ 7%, is then ground into 60 ~ 200 object fine powders, obtains phosphogypsum powder; Succulent stem of cactus is cut into long and wide 1 ~ 3cm respectively, thick be the thin slice of 0.5 ~ 2cm, then drying to moisture content is 3 ~ 5%, obtains Root and stem of Cholla sheet;
(2) Modification of Montmorillonite: fine powder montmorillonite ball mill ball milling being become fineness≤0.05mm, then send in ultrasonic device, 20 ~ 40min is processed under ultrasonic power is 600 ~ 1000w, send into the high-temperature calcination 2 ~ 3h with 300 ~ 600 DEG C in calcining tower again, send into after cooling in reactive tank, add nitric acid acidification 30 ~ 100min that concentration is 30 ~ 40% again, obtain montmorillonite powder;
(3) ferment: get after 15 ~ 20% of phosphogypsum powder total amount mixes with natural pond slag, regulate the moisture content 50 ~ 60% of mixture, then sealing and fermenting 80 ~ 120 days in fermentation vat, acquisition fermentation materials;
(4) mixing granulation: after the moisture content of the phosphogypsum powder of remaining 80 ~ 85% and fermentation materials, oil cake, bacterium chaff, potassium primary phosphate, wormcast, bodied ferric sulfate, ferric-polysilicate is adjusted to 4 ~ 8%; send into granulation in tablets press; the mixing of acquisition fertilizer is mixed with Root and stem of Cholla thin slice, montmorillonite part, obtains saltings amendment.
The application process of described beach saline land amendment, first regulate the moisture content in saltings to be after 30 ~ 40%, amendment is evenly spread fertilizer over the fields earthing after in saltings and fill and lead up, then carry out rotary tillage process, cover film after 14 ~ 30 days, film is taken away and carries out leaching process.
Described beach saline land amendment application process, for slight alkaline land, amendment amount of application is 250 ~ 400kg/ mu; For moderate saline-alkali soil, amendment amount of application is 400 ~ 600kg/ mu; For heavy salinized, amendment amount of application is 600 ~ 800kg/ mu.
Beneficial effect of the present invention is:
1. montmorillonite has stronger cation exchange capacity (CEC) and adsorptive power, find after deliberation, by montmorillonite through ultrasonic, after high temperature and acidification, significantly enhance cation exchange capacity (CEC) and the adsorptive power of montmorillonite, montmorillonite powder is executed in saltings, montmorillonite powder can adsorb sodium colloidal particle, hydrogen ion in montmorillonite powder and calcium ion are by the sodium ion exchange in sodium colloidal particle out, and form na-montmorillonite, not only reduce sodium ions content in saltings, reduce pH value, promote the formation of soil aggregate, improve the physico-chemical property of soil, and the na-montmorillonite generated can Adsorption of Heavy Metal Ions, thus can effectively avoid heavy metal content too high and affect the metabolism of plant and grow.
2. phosphogypsum can and soil in the sodium bicarbonate, the sodium carbonate that dissociate fully react, generate Calcium hydrogen carbonate, calcium phosphate and sodium sulfate to reduce surface soil alkalinity, sodium ion in colloidal complex replaces out by calcium ion, sodium-clay is become calcium-clay, reduce P in soil H value, activate soil nutrient elements activity and supplementary Trace Elements in Soil etc., and promote the formation of soil aggregate, prevent soil epidermis from crusting.The present invention passes through montmorillonite, bodied ferric sulfate, ferric-polysilicate and phosphogypsum are prepared into saltings amendment, find through research, montmorillonite has the ability of stronger absorption colloidal particle, bodied ferric sulfate, ferric-polysilicate has the significant effect strengthening montmorillonite adsorptive power, by montmorillonite, bodied ferric sulfate, ferric-polysilicate mixing is executed in saltings, can sodium colloidal particle in strong adsorption saltings, make sodium coacervation of colloid, in and the electric charge of sodium colloid surface, sodium colloid is become attracting from repelling each other, collide between sodium colloidal particle, thus destroy the stability of sodium colloid, thus sodium ion in colloidal complex replaces out by calcium ion in promotion phosphogypsum, sodium-clay is become calcium-clay, greatly strengthen the effect in phosphogypsum improvement saltings, by the sodium ion that calcium ion replaces out, when saltings is caught in the rain, enter soil layer depths with water or flow away with water, thus the salt content in reduction saltings, and when later stage saltings moisture content reduces, do not absorbed by montmorillonite by the sodium ion that water-band is walked on a small quantity, thus the salt content further reduced in soil water solution, using of montmorillonite can also play good water conservation and the effect suppressing the accumulation of salt in the surface soil.
3. the present invention increases Root and stem of Cholla sheet in the amendment of saltings, find through research, Root and stem of Cholla can absorb salinity from saltings, and the time that the Root and stem of Cholla after hyperthermia drying is decomposed by the microorganisms is 1 ~ 2 year, Root and stem of Cholla is executed in saltings, salinity in saltings can not only be absorbed, reduce the salt content in saltings, and the formation of soil aggregate can be promoted, improve the physico-chemical property of soil, and playing the effect of good water conservation and the suppression accumulation of salt in the surface soil, bodied ferric sulfate, polyferric silicate sulfate can strengthen the adsorption of Root and stem of Cholla.
4. contain oil cake, bacterium chaff and natural pond slag in the amendment of saltings of the present invention, the protein contained in oil cake, robust fibre, nicotinic acid and other vitamin substances can make microorganism Fast-propagation, and the vital movement of microorganism can effectively reduce alkaline land soil pH value.Moreover, also containing materials such as a large amount of organic matters in oil cake, natural pond slag and bacterium chaff, occur to act synergistically widely with phosphogypsum, soil can be improved, increase fertility, help to increase the space that sky G&W can be allowed to enter, decompose mineral and produce plant necessary nitrogen, sulphur, potassium and phosphorus.
5. main raw material phosphogypsum of the present invention, oil cake, natural pond slag, bacterium chaff, montmorillonite etc. are not only cheap, and wide material sources, particularly phosphogypsum and oil cake are used, effectively can solve the stacking of phosphogypsum and oil cake and the Cost Problems brought and problem of environmental pollution.
Embodiment
Conveniently those skilled in the art will recognize that the present invention will be further described below in conjunction with embodiment.Embodiment is only illustrating this invention, is not limitation of the invention, and the step not doing in embodiment to illustrate is all prior arts, is not described in detail at this.
Embodiment one
Raw material:
Phosphogypsum 200kg, oil cake 140kg, potassium primary phosphate 30kg, bacterium chaff 100kg, wormcast 20kg, Root and stem of Cholla 10kg, natural pond slag 60kg, bodied ferric sulfate 20kg, ferric-polysilicate 15kg, montmorillonite 50kg and nitric acid 8kg.
Preparation method:
(1) raw materials pretreatment: drying phosphogypsum to moisture content is 5%, is then ground into 60 object fine powders, obtains phosphogypsum powder; The succulent stem of cactus of life in 2 years is cut into long and wide 1cm respectively, the thick thin slice for 0.5cm, then drying to moisture content at the temperature of 500 DEG C is 3%, obtains Root and stem of Cholla sheet;
(2) Modification of Montmorillonite: fine powder montmorillonite ball mill ball milling being become fineness≤0.05mm, then send in ultrasonic device, 20min is processed under ultrasonic power is 600w, send into the high-temperature calcination 2h with 300 DEG C in calcining tower again, send into after cooling in reactive tank, add the nitric acid acidification 30min that concentration is 30% again, obtain montmorillonite powder;
(3) ferment: get after 15% of phosphogypsum powder total amount mixes with natural pond slag, regulate the moisture content 50% of mixture, then sealing and fermenting 80 days in fermentation vat, acquisition fermentation materials;
(5) mixing granulation: after the moisture content of the phosphogypsum powder of remaining 85% and fermentation materials, oil cake, bacterium chaff, potassium primary phosphate, wormcast, bodied ferric sulfate, ferric-polysilicate is adjusted to 4 ~ 8%; send into granulation in tablets press; the mixing of acquisition fertilizer is mixed with Root and stem of Cholla thin slice, montmorillonite part, obtains saltings amendment.
Application process:
First regulate the moisture content in saltings to be after 30%, amendment is evenly spread fertilizer over the fields earthing after in saltings and fill and lead up, then carry out rotary tillage process, cover film after 14 days, film is taken away and carries out leaching process.
For slight alkaline land, the amount of application of this saltings amendment is 250 ~ 400kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 54 ~ 56%, and pH value declines 0.5 ~ 0.7; For moderate saline-alkali soil, the amount of application of this saltings amendment is 400 ~ 600kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 55 ~ 57%, and pH value declines 0.6 ~ 0.8; For heavy salinized, the amount of application of this saltings amendment is 600 ~ 800kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 56 ~ 58%, and pH value declines 0.7 ~ 1.
Embodiment two
Raw material:
Phosphogypsum 300kg, oil cake 180kg, potassium primary phosphate 40kg, bacterium chaff 150kg, wormcast 30kg, Root and stem of Cholla 20kg, natural pond slag 80kg, bodied ferric sulfate 40kg, ferric-polysilicate 25kg, montmorillonite 80kg and nitric acid 16kg.
Preparation method:
(1) raw materials pretreatment: drying phosphogypsum to moisture content is 7%, is then ground into 60 ~ 200 object fine powders, obtains phosphogypsum powder; The succulent stem of cactus of life in 10 years is cut into long and wide 3cm respectively, the thick thin slice for 2cm, then drying to moisture content at the temperature of 600 DEG C is 5%, obtains Root and stem of Cholla sheet;
(2) Modification of Montmorillonite: fine powder montmorillonite ball mill ball milling being become fineness≤0.05mm, then send in ultrasonic device, 40min is processed under ultrasonic power is 1000w, send into the high-temperature calcination 3h with 600 DEG C in calcining tower again, send into after cooling in reactive tank, add the nitric acid acidification 100min that concentration is 40% again, obtain montmorillonite powder;
(3) ferment: get after 20% of phosphogypsum powder total amount mixes with natural pond slag, regulate the moisture content 60% of mixture, then sealing and fermenting 120 days in fermentation vat, acquisition fermentation materials;
(4) mixing granulation: after the moisture content of the phosphogypsum powder of remaining 80% and fermentation materials, oil cake, bacterium chaff, potassium primary phosphate, wormcast, bodied ferric sulfate, ferric-polysilicate is adjusted to 4 ~ 8%; send into granulation in tablets press; the mixing of acquisition fertilizer is mixed with Root and stem of Cholla thin slice, montmorillonite part, obtains saltings amendment.
Application process:
First regulate the moisture content in saltings to be after 40%, amendment is evenly spread fertilizer over the fields earthing after in saltings and fill and lead up, then carry out rotary tillage process, cover film after 30 days, film is taken away and carries out leaching process.
For slight alkaline land, the amount of application of this saltings amendment is 400 ~ 600kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 54 ~ 57%, and pH value declines 0.5 ~ 0.7; For moderate saline-alkali soil, the amount of application of this saltings amendment is 600 ~ 800kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 54 ~ 57%, and pH value declines 0.7 ~ 0.9; For heavy salinized, the amount of application of this saltings amendment is 800 ~ 1000kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 55 ~ 58%, and pH value declines 0.7 ~ 1.
Embodiment three
Raw material:
Phosphogypsum 250kg, oil cake 160kg, potassium primary phosphate 35kg, bacterium chaff 130kg, wormcast 25kg, Root and stem of Cholla 15kg, natural pond slag 70kg, bodied ferric sulfate 30kg, ferric-polysilicate 20kg, montmorillonite 65kg and nitric acid 12kg.
Preparation method:
(1) raw materials pretreatment: drying phosphogypsum to moisture content is 6%, is then ground into 80 object fine powders, obtains phosphogypsum powder; The succulent stem of cactus of life in 5 years is cut into long and wide 2cm respectively, the thick thin slice for 1cm, then drying to moisture content at the temperature of 400 DEG C is 4%, obtains Root and stem of Cholla sheet;
(2) Modification of Montmorillonite: fine powder montmorillonite ball mill ball milling being become fineness≤0.05mm, then send in ultrasonic device, 30min is processed under ultrasonic power is 800w, send into the high-temperature calcination 3h with 500 DEG C in calcining tower again, send into after cooling in reactive tank, add the nitric acid acidification 60min that concentration is 35% again, obtain montmorillonite powder;
(3) ferment: get after 18% of phosphogypsum powder total amount mixes with natural pond slag, regulate the moisture content 55% of mixture, then sealing and fermenting 100 days in fermentation vat, acquisition fermentation materials;
(4) mixing granulation: after the moisture content of the phosphogypsum powder of remaining 82% and fermentation materials, oil cake, bacterium chaff, potassium primary phosphate, wormcast, bodied ferric sulfate, ferric-polysilicate is adjusted to 6%; send into granulation in tablets press; the mixing of acquisition fertilizer is mixed with Root and stem of Cholla thin slice, montmorillonite part, obtains saltings amendment.
Application process:
First regulate the moisture content in saltings to be after 35%, amendment is evenly spread fertilizer over the fields earthing after in saltings and fill and lead up, then carry out rotary tillage process, cover film after 20 days, film is taken away and carries out leaching process.Described leaching is poured water in saltings, and saltings is waterlogged, and till ponding appears in surperficial higher position.
For slight alkaline land, the amount of application of this saltings amendment is 400 ~ 600kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 56 ~ 58%, and pH value declines 0.6 ~ 0.8; For moderate saline-alkali soil, the amount of application of this saltings amendment is 600 ~ 800kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 58 ~ 60%, and pH value declines 0.7 ~ 0.9; For heavy salinized, the amount of application of this saltings amendment is 800 ~ 1000kg/ mu, and saltings is instant after leaching process measures its salt content and pH value, and the salt content in saltings declines 60 ~ 64%, and pH value declines 0.8 ~ 1.1.
Test is adopted to verify beneficial effect of the present invention below:
Below in test, phosphogypsum used is the phosphogypsum that Xifeng Heavy Calcium Factory, Kailin Group. Guizhou produces, the content of its terra alba is 67.8%, the content of total Vanadium Pentoxide in FLAKES is 6.1%, the content of solubility Vanadium Pentoxide in FLAKES is 0.44%, magnesian content is 0.39%, and the content of fluorion is 0.31%, and pH value is 3.7.In oil cake used containing organic 81%, nitrogen 4.5%, Vanadium Pentoxide in FLAKES 2.3%, potassium oxide 1.9%, protein be 2.7%, robust fibre 6.8%, calcium 3.1%, choline 0.39%, nicotinic acid 0.9% and other vitamin substances 1.6.In bacterium chaff containing crude protein be 9.6%, robust fibre 6.8%, crude fat 0.1%, nitrogen-free extract 47%, calcium 3.2%, phosphorus 2.4%, Methionin 1.2%, tryptophane 0.6%, methionine(Met) ten Gelucystine 1.2% and coarse ash 8.8%.
Test one: the simultaneous test of different saltingss amendment
With the saltings on Bing Jie farm, Haixing County for experimental plot, through measuring, it is 0.56% that its 0 ~ 20cm shows native total salt content, and pH value is 8.84.The formula of test grouping and amendment is as following table 1, wherein, the application process of amendment is: first regulate the moisture content in saltings to be after 35%, amendment is evenly spread fertilizer over the fields earthing after in saltings by the amount of 900kg/ mu fill and lead up, then rotary tillage process is carried out, cover film after 20 days, film is taken away and carries out leaching process.PH value in table 1 and total salt content are the values to recording after the leaching process of saltings.
Table 1
As can be seen from Table 1, after saltings amendment prepared by the embodiment of the present invention three is used in saltings, the rate of descent of its total salt content is apparently higher than other test group, and its pH value declines a little less than test group two, because Rate of Humic Acid is comparatively large in test group two, thus pH value declines larger, and its improved effect is better than test group one, test group two and test group four, but the price of humic acid is higher, use it to improve saltings, the high expensive in improvement saltings.To sum up, saltings amendment prepared by the present invention is not only obviously better than the improved effect of the amendment of test group one to test group four to the improved effect in saltings, and saltings of the present invention amendment is also more reasonable economically.
Test two: amendment different administration method is tested the improved effect in saltings
In this test, with the saltings on Bing Jie farm, Haixing County for experimental plot, through measuring, it is 0.56% that its 0 ~ 20cm shows native total salt content, and pH value is 8.84.The application process of amendment is as shown in table 2 below, and wherein, amendment used is amendment prepared by the embodiment of the present invention three.
Table 2
As can be seen from Table 2, leaching again after aluminum coated steel for some time, not only in the pH value reducing soil to a greater extent, and can significantly can reduce the total salt content of soil.Test shows: after using phosphogypsum, overlay film carries out leaching in 14 days later again, the decline of soil pH value and total salt content is the most obvious, and along with the increase of overlay film time, and the amount of the slippage of soil pH value and total salt content and overlay film 14 days leaching does not again have much changes.
Test three: the formula optimization test of saltings amendment
With the saltings on Bing Jie farm, Haixing County for experimental plot, through measuring, it is 0.56% that its 0 ~ 20cm shows native total salt content, and pH value is 8.84.Test based on the amendment formula of embodiment three, only in the formula of embodiment three, increase and decrease raw material, weight ratio for other raw materials of not variation remains unchanged, the application process of amendment is: first regulate the moisture content in saltings to be after 35%, amendment is evenly spread fertilizer over the fields earthing after in saltings by the amount of 900kg/ mu fill and lead up, then carry out rotary tillage process, cover film after 20 days, film is taken away and carries out leaching process.PH value in table 3 and total salt content are the values to recording for 3 months after the leaching process of saltings.
Table 3
In table 3, can be found out by the contrast of test group one and test group two: montmorillonite is carried out ultrasonic, calcining and acidification after, not only further can reduce the pH value in saltings, and the salt content in saltings can also be reduced more significantly, because by montmorillonite after ultrasonic, high temperature and acidification, significantly enhance cation exchange capacity (CEC) and the adsorptive power of montmorillonite.Can be found out by the contrast of test group one and test group three: in amendment, add oil cake, not only further can reduce the pH value in saltings, and the salt content in saltings can also be reduced more significantly, because the protein contained in oil cake, robust fibre, nicotinic acid and other vitamin substances can make microorganism Fast-propagation, the vital movement of microorganism can effectively reduce alkaline land soil pH value, also containing materials such as a large amount of organic matters in oil cake, occur to act synergistically widely with phosphogypsum, soil can be improved further.Can be found out by the contrast of test group one and test group four: in amendment, add Root and stem of Cholla sheet, further can reduce the pH value in saltings and salt content, Root and stem of Cholla after hyperthermia drying can not only absorb salinity in saltings, reduce the salt content in saltings, and the formation of soil aggregate can be promoted, improve the physico-chemical property of soil, and play the effect of good water conservation and the suppression accumulation of salt in the surface soil.Can be found out by the contrast of test group one and test group five: in amendment, add Root and stem of Cholla and montmorillonite, to the effect in phosphogypsum improvement saltings, there is larger amplification effect, the pH value and the salt content that reduce saltings can be helped to a great extent, montmorillonite powder can adsorb sodium colloidal particle, hydrogen ion in montmorillonite powder and calcium ion are by the sodium ion exchange in sodium colloidal particle out, and form na-montmorillonite, not only reduce sodium ions content in saltings, reduce pH value, promote the formation of soil aggregate, improve the physico-chemical property of soil, na-montmorillonite can Adsorption of Heavy Metal Ions.Can be found out by the contrast of test group one and test group six: in amendment, add bodied ferric sulfate and ferric-polysilicate, pH value and the salt content in saltings can be reduced further, because bodied ferric sulfate, ferric-polysilicate has the significant effect strengthening montmorillonite adsorptive power, by montmorillonite, bodied ferric sulfate, ferric-polysilicate mixing is executed in saltings, can sodium colloidal particle in strong adsorption saltings, make sodium coacervation of colloid, in and the electric charge of sodium colloid surface, sodium colloid is become attracting from repelling each other, collide between sodium colloidal particle, thus destroy the stability of sodium colloid, thus sodium ion in colloidal complex replaces out by calcium ion in promotion phosphogypsum, sodium-clay is become calcium-clay, greatly strengthen the effect in phosphogypsum improvement saltings.
What illustrate is, several test examples that above-mentioned test is only used to verify beneficial effect of the present invention and enumerates, the test done to complete the present invention is far above in this, simultaneously, above-mentioned test just illustrates, does not form any pro forma restriction of the present invention.
Claims (7)
1. a beach saline land amendment, is characterized in that, with parts by weight, is prepared from by following raw material:
2. beach saline land amendment as claimed in claim 1, is characterized in that, with parts by weight, be prepared from by following raw material:
3. beach saline land amendment as claimed in claim 1, is characterized in that, with parts by weight, be prepared from by following raw material:
4. beach saline land amendment as claimed in claim 1, it is characterized in that, described Root and stem of Cholla is the succulent stem of cactus of life in 2 ~ 10 years.
5. the preparation method of the beach saline land amendment as described in Claims 1 to 4 any one, is characterized in that, comprise the following steps:
(1) raw materials pretreatment: drying phosphogypsum to moisture content is 5 ~ 7%, is then ground into 60 ~ 200 object fine powders, obtains phosphogypsum powder; Succulent stem of cactus is cut into long and wide 1 ~ 3cm respectively, thick be the thin slice of 0.5 ~ 2cm, then drying to moisture content is 3 ~ 5%, obtains Root and stem of Cholla sheet;
(2) Modification of Montmorillonite: fine powder montmorillonite ball mill ball milling being become fineness≤0.05mm, then send in ultrasonic device, 20 ~ 40min is processed under ultrasonic power is 600 ~ 1000w, send into the high-temperature calcination 2 ~ 3h with 300 ~ 600 DEG C in calcining tower again, send into after cooling in reactive tank, add nitric acid acidification 30 ~ 100min that concentration is 30 ~ 40% again, obtain montmorillonite powder;
(3) ferment: get after 15 ~ 20% of phosphogypsum powder total amount mixes with natural pond slag, regulate the moisture content 50 ~ 60% of mixture, then sealing and fermenting 80 ~ 120 days in fermentation vat, acquisition fermentation materials;
(4) mixing granulation: after the moisture content of the phosphogypsum powder of remaining 80 ~ 85% and fermentation materials, oil cake, bacterium chaff, potassium primary phosphate, wormcast, bodied ferric sulfate, ferric-polysilicate is adjusted to 4 ~ 8%; send into granulation in tablets press; the mixing of acquisition fertilizer is mixed with Root and stem of Cholla thin slice, montmorillonite part, obtains saltings amendment.
6. the application process of beach saline land amendment as claimed in any one of claims 1 to 5, wherein, it is characterized in that, the moisture content in saltings is first regulated to be after 30 ~ 40%, amendment is evenly spread fertilizer over the fields earthing after in saltings to fill and lead up, then rotary tillage process is carried out, cover film after 14 ~ 30 days, film is taken away and carries out leaching process.
7. beach saline land amendment application process as claimed in claim 6, it is characterized in that, for slight alkaline land, amendment amount of application is 250 ~ 400kg/ mu; For moderate saline-alkali soil, amendment amount of application is 400 ~ 600kg/ mu; For heavy salinized, amendment amount of application is 600 ~ 800kg/ mu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539941.7A CN105154089A (en) | 2015-08-28 | 2015-08-28 | Coastal saline area conditioner and preparation method and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539941.7A CN105154089A (en) | 2015-08-28 | 2015-08-28 | Coastal saline area conditioner and preparation method and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105154089A true CN105154089A (en) | 2015-12-16 |
Family
ID=54795148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510539941.7A Pending CN105154089A (en) | 2015-08-28 | 2015-08-28 | Coastal saline area conditioner and preparation method and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105154089A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106034902A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Impervious material containing diospyros lotus tannin extract and method for planting syringa oblata in saline-alkaline land by using impervious material |
| CN106190137A (en) * | 2016-01-11 | 2016-12-07 | 中国农业大学 | A kind of saline-alkali land soil conditioner and its preparation method and application |
| CN106348967A (en) * | 2016-08-30 | 2017-01-25 | 山东胜伟园林科技有限公司 | Secondary salinization land improvement nutrient based on phosphorus agents |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096598A (en) * | 2007-07-03 | 2008-01-02 | 张余良 | Amendment for inhibiting brackish water irrigated soil polysalt |
| CN101157587A (en) * | 2007-09-21 | 2008-04-09 | 天津市北方绿业生态科技有限公司 | Alkali soil modification fertility intensifying amendment and preparation method thereof |
| CN102517027A (en) * | 2011-12-02 | 2012-06-27 | 暨南大学 | Modifying agent for soda-alkalized paddy field soil |
-
2015
- 2015-08-28 CN CN201510539941.7A patent/CN105154089A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096598A (en) * | 2007-07-03 | 2008-01-02 | 张余良 | Amendment for inhibiting brackish water irrigated soil polysalt |
| CN101157587A (en) * | 2007-09-21 | 2008-04-09 | 天津市北方绿业生态科技有限公司 | Alkali soil modification fertility intensifying amendment and preparation method thereof |
| CN102517027A (en) * | 2011-12-02 | 2012-06-27 | 暨南大学 | Modifying agent for soda-alkalized paddy field soil |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190137A (en) * | 2016-01-11 | 2016-12-07 | 中国农业大学 | A kind of saline-alkali land soil conditioner and its preparation method and application |
| CN106190137B (en) * | 2016-01-11 | 2018-05-25 | 中国农业大学 | A kind of saline-alkali land soil conditioner and its preparation method and application |
| CN106034902A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Impervious material containing diospyros lotus tannin extract and method for planting syringa oblata in saline-alkaline land by using impervious material |
| CN106348967A (en) * | 2016-08-30 | 2017-01-25 | 山东胜伟园林科技有限公司 | Secondary salinization land improvement nutrient based on phosphorus agents |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103896693B (en) | Water-holding and cultivating functional compound fertilizer and preparation method thereof | |
| CN104761416B (en) | A kind of biochemical conditioner that can improve saline-alkali soil and preparation method thereof | |
| CN105087012A (en) | Saline-alkali soil regulator and processing process and application thereof | |
| CN105062499A (en) | Three-step improvement method for saline alkali soil | |
| CN104355931A (en) | Saline-alkali soil fertilizer and preparation method thereof | |
| CN101096598B (en) | Amendment for inhibiting brackish water irrigated soil polysalt | |
| CN102391878B (en) | Method for producing long-acting soil conditioning agent by using potassium feldspar and organic waste | |
| CN106008081A (en) | Restoring method for acidified soil | |
| CN105230262A (en) | Method for planting corn on saline-alkali field | |
| CN105123208A (en) | Method for planting wheat on saline and alkaline land | |
| CN105219397A (en) | A kind of saline-alkali land soil conditioner and preparation method thereof | |
| CN102732258B (en) | Humic acid-type calcium-magnesium-sulfur soil conditioner and its preparation method | |
| CN105075627A (en) | Method for planting roxburgh roses and interplanting ficus tikoua bur in saline and alkali land | |
| CN105493990A (en) | Method of planting Holboellia latifolia on saline-alkali soil | |
| CN110437844A (en) | A kind of preparation of saline-alkali land soil conditioner and method of administration | |
| CN107201234A (en) | A kind of inland soda alkaline land modifying agent and application | |
| CN107418586A (en) | A kind of graininess paddy fields in south china acidic soil conditioner using rice husk as matrix | |
| CN107384424A (en) | A kind of alkaline soil improver | |
| CN106190147A (en) | Chiltern salt-soda soil improvement of special agent prescription and modification method thereof | |
| CN105123209A (en) | Method for interplanting holboellia latifolia and ficus tikoua bur in saline-alkali soil | |
| CN105154095A (en) | Saline-alkali soil modifying agent and preparation method and application method of saline-alkali soil modifying agent | |
| CN105085119A (en) | Saline-alkali soil improver prepared from ardealite and cane trash, as well as preparation method and application of saline-alkali soil improver | |
| CN111903467A (en) | Process for improving marine silt for planting soil | |
| CN106083466A (en) | A kind of production technology of easy absorption fertilizers for potted flowers | |
| CN107556062A (en) | Quenched from flyash the method that water-soluble silicon prepares multiplex siliceous fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |