CN108002903A - Sylvite ore tailing saline land greening tree planting soil conditioner - Google Patents

Abstract

The invention discloses a kind of sylvite ore tailing saline land greening tree planting soil conditioner, the main points of its technical scheme are that dispensing is made of the zeolite granular after sylvite ore tailing compression Nutrition Soil, sylvite ore tailing charing soil, acidifying, stalk, desulfurated plaster, humic acid, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly, Concave-convex clay rod, ferrous sulfate and water after acidifying；Dispensing is stirred after mixing, is packaged as sylvite ore tailing saline land greening tree planting soil conditioner.Sodium ion in soil conditioner on contained calcium and magnesium ion replaceable salt affected soil colloid, make the content of soil exchangeable sodium ion reduce, reduce the basicity of soil, the fertility of alkaline land soil can also be significantly improved at the same time, increase the content of alkaline land soil organic matter, calcium, magnesium, silicon, sulphur, nitrogen, phosphorus and potassium, achieve the purpose that to improve salt-soda soil, the survival rate of greening and afforestation is improved, sylvite ore tailing saline land greening tree planting soil conditioner is suitable for improvement salt-soda soil and plants trees in saline land greening.

Description

Sylvite ore tailing saline land greening tree planting soil conditioner

Technical field

The present invention relates to soil conditioner, and in particular to a kind of sylvite ore tailing saline land greening tree planting soil conditioner.

Background technology

Salt-soda soil refers to that the salinity contained by inside soil influences the normal growth of crop, and serious salt affected soil area is planted Thing can hardly survive, and during carrying out greening and afforestation in varieties in saline-alkali areas, limited by alkaline land soil condition, contained in saline-alkali soil There is excessive solubility salt, make plant absorption moisture content and absorb the ability reduction of nutrient, soil organic matter content relative reduction, Nitrogen, phosphorus, potassium and trace element missing are serious, and soil aggregate structure destroys seriously, and gas permeability reduces, the microbial activity of aerobism Decline, soil-ripening is slow, so as to cause soil hardening.Since salinization of soil makes soil physico-chemical property be deteriorated, the life condition of plant Degenerate, the difficulty of the greening and afforestation work in alkaline land soil is big, and the survival rate of greening and afforestation is often than relatively low, greening and afforestation mistake Although Cheng Qian's phase Survival rate of nursery stock, the growth potential of nursery stock is very poor, does not reach the effect of expected growth and development, greening and afforestation mistake The middle and later periods of journey, many nursery stocks will die in succession.

Sylvite ore is a kind of using the chloride of potassium and Sulfates mineral as the nonmetallic minerals of key component, sylvite mineral Mainly there are sylvite, carnallite, kainite, langbeinite, polyhalite, leonite, picromerite etc..In sylvite ore mining area There is substantial amounts of sylvite ore tailing, can not developed well.

Desulfurated plaster is lime-lime stone to be ground slurries are made, and makes to contain SO after dedusting₂Flue gas, pass through slurry Liquid washer and remove SO₂, lime slurry and SO₂Reaction generation calcium sulfate and calcium sulfite, calcium sulfite is oxidized to change into sulphur Sour calcium, obtains industry by-product gypsum, is known as desulfurated plaster, and being accumulated around thermal power plant has substantial amounts of desulfurated plaster, does not have Can utilization.

In the reclamation of salinep-alkali soil and processing scheme, frequently with desulfurated plaster as one of dispensing of adjustment saline-alkali soil pH value, The pH value index of desulfurated plaster is 5~9, is detected by more sub-samplings, pH value >=8 of desulfurated plaster, directly apply desulfurated plaster Greening and afforestation is carried out in saline-alkali soil, the survival rate of nursery stock is also very low.

China Patent Publication No.：CN 106105962A, publication date：On November 16th, 2016, entitled " one kind is using length Imitate the method that solid phase Nutrition Soil carries out original soil greening to the salt-soda soil of containing sulfate ", disclose " a kind of to use long-acting solid phase nutrition The method that soil carries out original soil greening to the salt-soda soil of containing sulfate, including ditching earthing step, the ditching earthing step, including Nutrition Soil is covered, the Nutrition Soil includes following components：Pine soil, broad leaf tree fallen leaves soil, nitrogen-phosphorus-potassium compound fertilizer, attapulgite, reed It is luxuriant growth extract, gallic acid, red bean skin powder, beer groove, sesame seed meal, papaya muddy flesh, red worm powder, hodmadod powder, water-retaining agent, micro- Secondary element；The present invention also provides the preparation method of the Nutrition Soil.The original soil greening method of the present invention, eliminates and carries soil moved in improve the original Expense, reduces cost, saves labour cost 26%, has the function that to improve total nitrogen content of soil and improves soil moisture content, is planted Mongolian oak, the speed of growth is fast, and the content of starch in fruit is up to 64.1-67.8% ".

The shortcoming of above-mentioned patent is：(1) the dispensing for being used for salt resistance alkali and adjusting salt-soda soil pH is lacked in " Nutrition Soil ", (2) amination attapulgite can not increase the absorption of attapulgite and the effect of salt resistance alkali, and above-mentioned patent can be used for common " original soil greening ", be not suitable in " salt-soda soil carry out original soil greening ", during saline land greening tree planting, the survival rate of nursery stock Than relatively low.

China Patent Publication No.：CN 104591926A, publication date：On May 06th, 2015, entitled " alkaline land soil Conditioner ", discloses that " a kind of composition of soil improvement, particularly relates to a kind of soil conditioner of saline-alkaline soil.The present invention's is saline and alkaline Ground soil conditioner is formed by following component mixed preparing by weight percentage：Cosan 20%~35%, humic acid 20%~ 30%th, bentonite 5%~10%, epsom salt 20%~25%, calcium superphosphate 8%~12%, white vitriol 1%~ 2%th, boric acid 2%~3%.The present invention soil conditioner of saline-alkaline soil adjust soil acid-base level, effectively supplement soil in, it is micro- Secondary element, improves crop nutritional deficiency symptom, chelates toxic heavy metal element in soil, reduces salinization and alkalization, promotes Zinc fractions Crumb structure, improves crop root growth environment, enhancing crop salt resistance alkali, disease-resistant anti-adversity ability, reduce saline and alkaline to crop root Harm, while the available phosphorus that is cured by the soil of release increases soil fertility, water conservation section fertilizer, final thoroughly improvement soil, recovers Soil fertility, realizes increasing both production and income, improves the utilization rate of crop quality and fertilizer ".

The shortcoming of above-mentioned patent is：(1) substantial amounts of Cosan has been selected in dispensing（20%~35%）, sulphur is easy Explosive material is fired, is mixed with air and is also easy to produce explosion or burning, although for from toxicology, sulphur belongs to less toxic harmful influence, its The Sulfur Dioxide On Human occurred after steam and sulfur burning has severe toxicity, is not suitable in soil conditioner of saline-alkaline soil.(2) although " bentonite " is selected in dispensing, those skilled in the art knows altogether：The pH value of sodium bentonite is generally 8.5~10.2, Calcium-base bentonite is generally 6.9~8.5, and " bentonite " is a kind of alkaline soil, and therefore, " bentonite " is without the acidified modified place of progress Reason, is not suitable in soil conditioner of saline-alkaline soil yet.

The content of the invention

The purpose of the present invention is overcome shortcoming in the prior art, there is provided a kind of sylvite ore tailing saline land greening is planted trees Soil conditioner.

The dispensing of sylvite ore tailing saline land greening tree planting soil conditioner is by sylvite ore tailing compression Nutrition Soil, sylvite ore Zeolite granular after tailing charing soil, acidifying, the stalk after acidifying, desulfurated plaster, humic acid, Powdery saline-alkali soil water-holding slow-release Fertilizer, Concave-convex clay rod, ferrous sulfate and water composition.

The production method of sylvite ore tailing saline land greening tree planting soil conditioner：Sylvite ore tailing saline land greening is planted trees native The dispensing of earth conditioner is stirred after mixing, is packaged as sylvite ore tailing saline land greening tree planting soil conditioner.

After the acidified processing of sylvite ore tailing, pH value≤5.5 can improve the utilization rate of sylvite ore tailing, change give up into It is precious.

Contain substantial amounts of nitrogen, phosphorus, potassium, organic matter and various trace elements in sylvite ore tailing compression Nutrition Soil, be a kind of The high-quality Nutrition Soil that nutrition is complete, fertilizer efficiency is high, nontoxic, sterile, harmless, odorless and water retention property are good, can provide salt tolerant Nutrient necessary to alkali seedling growth, is conducive to the normal growth and development of saline-alkali tolerant nursery stock, the sylvite ore that the present invention selects The thickness control of tailing compression Nutrition Soil tablet is at 5~8 millimeters.

Sylvite ore tailing charing soil in sylvite ore tailing, active white clay waste slag, mud coal, Concave-convex clay rod, bentonite, Zeolite, crush after discarded object and vermiculite after charing, can be by cannot be by phosphorus that saline-alkali tolerant nursery stock directly absorbs, potassium chemical combination Thing and various trace elements, are converted into phosphorus, potassium, trace element and the organic carbon of solubility, the native sheet of sylvite ore tailing charing Thickness≤6 millimeter of grain.

Zeolite is after 420~480 DEG C of roastings, then carries out acidification, and zeolite has obtained further activation, is formed and dredged The porous cavernous body of pine, its adsorption effect are in optimum value.The zeolite that the present invention selects has：Clinoptilolite, modenite, side's boiling Stone, chabasie, scolecite, heulandite, sodalite, modenite and foresite.

Modified zeolite has powerful adsorption function, under low relative humidity, low concentration, higher temperature conditions Remain to effectively adsorb, therefore be the adsorbent that performance is stable, adsorption effect is good, sylvite ore tailing saline land greening can be laid in Ammonia nitrogen in tree planting soil conditioner, can also adsorb the ammonia nitrogen in the original soil of salt-soda soil, for needed for saline-alkali tolerant seedling growth Nutrition.

The production method of zeolite granular after acidifying is using crushing, sieve, roast for the first time, being acidified, draining, drying and the The technological process of regrading, first roasts and is acidified afterwards, substantially increases acidifying quality, adsorption efficiency and the acidifying speed of zeolite Degree；After the moisture content in zeolite granular absorption soil after acidifying, disintegration will not be produced, it is saline and alkaline to be conducive to increase sylvite ore tailing The salt resistance alkali effect of ground greening and afforestation soil conditioner, the granularity control of the zeolite granular after the acidifying that the present invention selects exist 0.125~0.42 millimeter.

Stalk after acidifying has the characteristics that preferable adsorptivity, thixotropy, heat endurance, plasticity and caking property, straw After the acidified calcination process of stalk, pH value≤5.5.

Desulfurated plaster is also known as flue gas desulfurization gypsum, and main component is calcium sulphate dihydrate as the natural gypsum, desulfurated plaster PH value be 5~9.

Humic acid is animals and plants remains, mainly the remains of plant, by the decomposition and conversion of microorganism, and it is geochemical A series of a kind of organic substance that processes are caused and accumulated, the pH value of humic acid is 3~5.

Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly is in acidity, can reduce the alkalescence of soil, and contained calcium ion replaceable is saline and alkaline Sodium ion on soil colloid, makes the content of soil exchangeable sodium ion reduce, so that the sodium basicity of soil is further reduced, Promote the formation of soil aggregate structure, achieve the purpose that to improve salt-soda soil, the Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly that the present invention selects Grain fineness≤0.149 millimeter.

Concave-convex clay rod has unique layer chain structure feature, and crystal is recessed in needle-shaped, threadiness or fiber set shape Convex rod stone clay has good colloidal nature and the higher adsorption capacities such as unique scattered, high temperature resistant, salt resistance alkali, the present invention The Concave-convex clay rod grain fineness of selection is less than 0.074 millimeter.

Anhydrous slufuric acid ferrous iron is white powder, and the ferrous sulfate containing the crystallization water is pale green crystals, the sulfuric acid of 10% aqueous solution Ferrous is in acidity to reindeer moss, and pH value is about 3.7, can be used not only for adjusting the plant of sylvite ore tailing saline land greening in the present invention The pH value of soil conditioner is set, is also used as the replenishers of plant ferro element, physiology venereal disease occurs because of iron deficiency for prevention plant Evil, makes plant leaf color chlorosis.

The technical scheme is that：

1st, the dispensing of sylvite ore tailing saline land greening tree planting soil conditioner is made of following component by weight percentage：Sylvite Zeolite granular 5~18%, acidifying after ore deposit tailing compression Nutrition Soil 10~30%, sylvite ore tailing charing soil 5~20%, acidifying It is rear stalk 5~15%, desulfurated plaster 5~20%, humic acid 5~15%, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly 3~15%, recessed Convex rod stone clay 3~15%, ferrous sulfate 0~5% and water 5~20%.

2nd, the production method of sylvite ore tailing saline land greening tree planting soil conditioner：By sylvite ore tailing saline land greening The dispensing of tree planting soil conditioner is stirred after mixing, is packaged as sylvite ore tailing saline land greening tree planting soil conditioning Agent.

3rd, the dispensing of sylvite ore tailing compression Nutrition Soil is made of following component by weight percentage：Sylvite ore after acidifying The gravel after sludge 25~55%, high viscous Concave-convex clay rod 2~15%, biogas slurry immersion after tailing 15~35%, acidifying Attapulgite flower ceramsite 2~15%, crush after peat 2~15%, biogas residue 2~15%, crush after plant fiber 1~ 10%, expanded vermiculite 0.5~5%, expanded perlite 0.5~5% and high hydroscopic resin 0.1~5%.；Sylvite ore tailing compresses The production method of Nutrition Soil：Sylvite ore tailing and sludge are first subjected to acidification, then sylvite ore tailing is compressed into Nutrition Soil Dispensing is stirred, compresses, compresses Nutrition Soil after microwave low temperature sterilization for sylvite ore tailing.

Sylvite ore tailing compression Nutrition Soil applied for " sylvite ore tailing using by the present inventor on 08 12nd, 2014 Compress the production method of Nutrition Soil ", Chinese patent Authorization Notice No. is：CN 104119183B, authorized announcement date：2016 03 The moon 16.

4th, the dispensing of sylvite ore tailing charing soil is made of following component by weight percentage：Sylvite ore tailing 15~ 35%th, active white clay waste slag 10~30%, mud coal 5~25%, Concave-convex clay rod 5~20%, bentonite 0~15%, zeolite 0 ~15%, discarded object 5~15%, vermiculite 0.5~5% and water 5~45% after crushing；The producer of sylvite ore tailing charing soil Method：The dispensing stirring of sylvite ore tailing charing soil is first squeezed into sheet-like particle, is sylvite ore tailing charing soil after charing process.

Sylvite ore tailing charing soil is to use " the sylvite ore tailing charing filed in the present inventor 2015 year 07 month 27 days The production method of Nutrition Soil ", China Patent Publication No. are：CN 105110877A, publication date：On December 02nd, 2015.

5th, the production method of the zeolite granular after being acidified：1. first zeolite crush and sieved for the first time, the zeolite after screening The granularity of particle is controlled at 0.149~0.42 millimeter；2. by the zeolite granular input revolution roasting in kilns after screening, calcination temperature At 420~480 DEG C, roasting time was controlled at 60~120 minutes for control；3. by the zeolite granular input dilute sulfuric acid pond after roasting Acidification is carried out, the preparation of dilute sulfuric acid includes following component by weight percentage：The sulfuric acid 6~10% of 98 ﹪ of concentration, water 90 ~94%, acidification time control is when 4~12 is small；Drain away the water 4. the zeolite granular after acidified processing is taken out, It is the zeolite granular semi-finished product after acidifying to input drying in rotary dryer, and drying temperature is controlled at 150~250 DEG C, drying For time control at 30~60 minutes, the zeolite granular semi-finished product water content after acidifying was less than 2.0%；5. by the zeolite after acidifying Grain semi-finished product are carried out second after sieving as the zeolite granular after acidifying, and the granularity of the zeolite granular after acidifying is controlled 0.125 ~0.42 millimeter.

Zeolite granular after acidifying on November 14th, 2015 using being applied for " thering is purification air work(by the present inventor The zeolite colour-wash powder of energy ", China Patent Publication No. is：CN 105272114A, publication date：On 01 27th, 2016.

6th, the production method of the stalk after being acidified：(1) stirred in the mixer first operated the input of stalk mixture, Dilute sulfuric acid is slowly added to again to carry out acidification in stalk mixture；(2) by the stalk mixture after acidification, by right The extruding of roller machine is stalk tablet, thickness≤3 millimeter of stalk tablet；(3) stalk tablet is transported to swinging drying oven Interior roasting, when roasting time is 1~3 small, calcination temperature is controlled at 250~450 DEG C, and the stalk tablet water content after roasting≤ 5%, the stalk tablet after roasting is the stalk semi-finished product after acidifying；The dispensing of stalk tablet is by weight percentage by following Component forms：Stalk mixture 75~95% and dilute sulfuric acid 5~25%；The dispensing of stalk mixture is by weight percentage by following Component forms：Stalk 68~92%, Concave-convex clay rod 7~30% and magnesia 0.1~3%；The dispensing of dilute sulfuric acid is by weight Percentage is made of following component：Concentration is 98% concentrated sulfuric acid 1~25% and water 75~99%.

The production method of stalk after acidifying was applied " after acidifying using by the present inventor on 07 27th, 2014 Stalk ", Chinese patent Authorization Notice No. are：CN 104128354B, authorized announcement date：On 06 08th, 2016.

7th, the dispensing of Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly is made of following component by weight percentage：The viscous attapulgite of height glues Concave-convex clay rod powder 5~15%, ardealite 10~30%, calcium superphosphate 5~28%, sulfuric acid after native powder 2~10%, acidifying Ammonium 5~25%, potassium sulfate 2~20%, high hydroscopic resin 0.05~5% and trace element mixture 0.01~1%；Powdery is saline and alkaline The production method of ground the fertilizer of retaining water and releasing nutrients slowly：(1) the dispensing of Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly is added to the Double-horizontal-shaft run to force In formula mixer, stir as the mixture of Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly；(2) by the mixing of Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly It is powder to be crushed in thing input pulverizer, and grain fineness≤0.149 millimeter of powder, is Powdery saline-alkali soil water-holding slow-release Fertilizer.

Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly applied for " Powdery saline-alkali soil using by the present inventor on October 22nd, 2012 The fertilizer of retaining water and releasing nutrients slowly ", Chinese patent Authorization Notice No. are：CN 102898237B, authorized announcement date：On February 26th, 2014.

Sylvite ore tailing saline land greening tree planting soil conditioner is that a kind of powdery and graininess mixing are integrated, and is used for Improve the physics of soil and/or the organic-inorganic soil conditioner of biological property.

The sylvite ore tailing compression Nutrition Soil of sheet, is applying in sylvite ore tailing saline land greening tree planting soil conditioner Into soil, loose Nutrition Soil is reduced to after water suction quickly, the former compression Nutrition Soil of the weight ratio of loose Nutrition Soil after water suction Weight add more than 5 times, contains substantial amounts of nitrogen, phosphorus, potassium, organic matter and lot of trace in sylvite ore tailing compression Nutrition Soil Element, is the high-quality Nutrition Soil that a kind of nutrition is complete, fertilizer efficiency is high, nontoxic, sterile, harmless, odorless and water retention property are good.

Sylvite ore tailing charing soil in sylvite ore tailing, active white clay waste slag, mud coal, Concave-convex clay rod, bentonite, Zeolite, crush after discarded object and vermiculite after charing, can be by cannot be by phosphorus that saline-alkali tolerant nursery stock directly absorbs, potassium chemical combination Thing and various trace elements, are converted into phosphorus, potassium, trace element and the organic carbon of solubility.

After the moisture content in zeolite granular absorption soil after acidifying, disintegration will not be produced, pH value≤5.5, increase substantially While the absorption property of zeolite, catalytic action, specific surface area, porosity, be conducive to adjust the crumb structure of alkaline land soil, Increase the salt resistance alkali effect of sylvite ore tailing saline land greening tree planting soil conditioner.

After the acidified calcination process of stalk, pH value≤5.5.

In sylvite ore tailing saline land greening tree planting soil conditioner containing substantial amounts of calcium, magnesium, silicon, sulphur, nitrogen, phosphorus, potassium and Various trace elements, have the function of slowly to discharge in nutrition and retain water and nutrients in it, can provide saline-alkali tolerant seedling growth must The nutritional ingredient of palpus, keeps the nutritional ingredient in sylvite ore tailing saline land greening tree planting soil conditioner not to be lost in, is conducive to The normal growth and development of saline-alkali tolerant nursery stock, is that a kind of nutrition is complete, fertilizer efficiency is high, nontoxic, harmless, odorless and water conservation time Long saline land greening tree planting soil conditioner.

Sylvite ore tailing saline land greening tree planting soil conditioner in acidity, pH value≤5.5, have it is loose porous, compare table The characteristics of area is big, porosity is high and adsorption capacity is strong；Contained by sylvite ore tailing saline land greening tree planting soil conditioner Sodium ion on calcium and magnesium ion replaceable salt affected soil colloid, makes the content of soil exchangeable sodium ion reduce, and reduces soil Basicity, can not only adjust Pore structure in soil, promote the formation of soil aggregate structure, be gone back at the same time in the basicity for reducing soil Alkaline land soil fertility can be significantly improved, increases the content of alkaline land soil organic matter, calcium, magnesium, silicon, sulphur, nitrogen, phosphorus and potassium, reaches To the purpose in improvement salt-soda soil, the survival rate of greening and afforestation is improved.

Since sylvite ore tailing saline land greening tree planting soil conditioner is in acidity, after desulfurated plaster compatible use, energy The useful effect of desulfurated plaster is given full play to, further reduces the basicity of soil, reduces the soil accumulation of salt in the surface soil, improves improvement salt-soda soil Effect.

Sylvite ore tailing saline land greening tree planting soil conditioner is used in mixed way with local soil, and it is local to be conducive to improvement The crumb structure of soil, keep loosing soil, strengthen soil fertility, reduce soil in nutrient leaching loss, more effectively water conservation and Fertilizer conservation, and can reduce because soil passes the generation of withered, the climing disease such as withered, viral.

The application method of sylvite ore tailing saline land greening tree planting soil conditioner：(1) it is used to improve salt-soda soil, Ke Yiyu The original soil in salt-soda soil is used in mixed way.(2) it is used to cultivate flowers and plants in salt-soda soil, first can sows flowers and plants in sylvite ore tailing salt-soda soil In greening and afforestation soil conditioner, after flowers and plants emergence survives, then in conjunction with sylvite ore tailing saline land greening tree planting soil conditioning Agent, co-transplantation to saline land greening region, keeps suitable wet in sylvite ore tailing saline land greening tree planting soil conditioner Degree, can ensure that flowers and plants in salt-soda soil normal growth and development.(3) it is used to plant trees in saline land greening, can be first saline and alkaline by sylvite ore tailing After ground greening and afforestation soil conditioner is added in tree planting bag, greening seedling is transplanted in tree planting bag, treats the greening in tree planting bag It is common to move after Survival rate of nursery stock, then by the sylvite ore tailing saline land greening tree planting soil conditioner and greening seedling in tree planting bag Saline land greening tree planting region is planted, is conserved by afforestation Routine Management technique, the survival rate after greening and afforestation is more than 95%。

Sylvite ore tailing saline land greening tree planting soil conditioner is suitable for improvement salt-soda soil and plants trees in saline land greening.

Embodiment

With reference to embodiment, the invention will be further described：

1st, the dispensing of sylvite ore tailing saline land greening tree planting soil conditioner is made of following component by weight percentage：Sylvite Ore deposit tailing compression Nutrition Soil 24%, sylvite ore tailing charing soil 8%, acidifying after zeolite granular 6%, acidifying after stalk 9%, Desulfurated plaster 12%, humic acid 8%, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly 8%, Concave-convex clay rod 8%, 1% and of ferrous sulfate Water 16%.

2nd, the production method of sylvite ore tailing saline land greening tree planting soil conditioner：By sylvite ore tailing saline land greening The dispensing of tree planting soil conditioner is stirred after mixing, is packaged as sylvite ore tailing saline land greening tree planting soil conditioning Agent.

Claims (3)

1. A kind of 1. sylvite ore tailing saline land greening tree planting soil conditioner, it is characterised in that sylvite ore tailing saline land greening The dispensing of tree planting soil conditioner is made of following component by weight percentage：Sylvite ore tailing compression Nutrition Soil 10~30%, Zeolite granular 5~18% after sylvite ore tailing charing soil 5~20%, acidifying, the stalk 5~15% after acidifying, desulfurated plaster 5 ~20%, humic acid 5~15%, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly 3~15%, Concave-convex clay rod 3~15%, ferrous sulfate 0~5% and water 5~20%.
2. A kind of 2. sylvite ore tailing saline land greening tree planting soil conditioner according to claim 1, it is characterised in that sylvite The production method of ore deposit tailing saline land greening tree planting soil conditioner：By sylvite ore tailing saline land greening tree planting soil conditioner Dispensing be stirred after mixing, be packaged as sylvite ore tailing saline land greening tree planting soil conditioner.
3. A kind of 3. sylvite ore tailing saline land greening tree planting soil conditioner according to claim 1, it is characterised in that sylvite For the thickness control of ore deposit tailing compression Nutrition Soil tablet at 5~8 millimeters, sylvite ore tailing carbonizes thickness≤6 of native sheet-like particle Millimeter, the granularity of the zeolite granular after acidifying are controlled at 0.125~0.42 millimeter, and stalk thickness≤3 millimeter after acidifying are concavo-convex Rod stone clay particle fineness is less than 0.074 millimeter, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly grain fineness≤0.149 millimeter.