CN107739619A - Diatomite mine tailing saline land greening tree planting soil conditioner - Google Patents

Abstract

The invention discloses a kind of diatomite mine tailing saline land greening tree planting soil conditioner, the main points of its technical scheme are that dispensing compresses Nutrition Soil by diatomite mine tailing, diatomite mine tailing carbonizes the zeolite granular after native, 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 form；Dispensing is stirred after being well mixed, is packaged as diatomite mine tailing saline land greening tree planting soil conditioner.The sodium ion on calcium, magnesium ion replaceable salt affected soil colloid contained by soil conditioner, 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 simultaneously, increase the content of alkaline land soil organic matter, calcium, magnesium, silicon, sulphur, nitrogen, phosphorus and potassium, reach the purpose in improvement salt-soda soil, the survival rate of greening and afforestation is improved, diatomite mine tailing saline land greening tree planting soil conditioner is applied to improvement salt-soda soil and planted trees in saline land greening.

Description

Diatomite mine tailing saline land greening tree planting soil conditioner

Technical field

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

Background technology

Salt-soda soil refers to that the salinity contained by inside soil has influence on 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 granular structure destroys seriously, and gas permeability reduces, the microbial activity of aerobism Decline, soil-ripening is slow, so as to cause soil hardening.Because 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 expected effect grown, greening and afforestation mistake The middle and later periods of journey, many nursery stocks will die in succession.

Diatomite is a kind of biogenic siliceous sedimentary rock, and it is mainly made up of the remains of ancient times diatom, due to silicon The formation of diatomaceous earth ore deposit experienced very long geological epoch, except external containing substantial amounts of diatom, also containing many impurity, wherein common Have the mineral chips such as quartz, hydromica, kaolinite, montmorillonite, iron mineral, carbonate, sulfate, volcanic ash.Diatomite Make a low multiple use, the product of most enterprises is from one-level soil, and two, three-level soil and diatomite mine tailing are largely discarded, and are made Into serious waste of resources, environment is also polluted.

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, industry by-product gypsum, referred to as desulfurated plaster are obtained, 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, detects, pH value >=8 of desulfurated plaster, directly applies desulfurated plaster by more sub-samplings 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-loss reducer, micro- Secondary element；The present invention also provides the preparation method of the Nutrition Soil.The original soil greening method of the present invention, eliminate and carry soil moved in improve the original Expense, cost is reduced, save labour cost 26%, had the function that to improve total nitrogen content of soil and improve soil moisture content, planted Mongolian oak, the speed of growth is fast, and the content of starch in fruit is up to 64.1-67.8% ".

The weak point of above-mentioned patent is：(1) the dispensing for salt resistance alkali and adjustment 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 05 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%.It is horizontal that the soil conditioner of saline-alkaline soil of the present invention can adjust soil acid-base, effectively supplements in soil, be micro- Secondary element, improve crop nutritional deficiency symptom, chelate toxic heavy metal element in soil, reduce salinization and alkalization, promote Zinc fractions Crumb structure, improve 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 thorough improved soil, recovers Soil fertility, increasing both production and income is realized, improve the utilization rate of crop quality and fertilizer ".

The weak point 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 blast 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 to overcome weak point in the prior art, there is provided a kind of diatomite mine tailing saline land greening is planted trees Soil conditioner.

The dispensing of diatomite mine tailing saline land greening tree planting soil conditioner compresses Nutrition Soil, diatomite by diatomite mine tailing Zeolite granular after mine 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 diatomite mine tailing saline land greening tree planting soil conditioner：Diatomite mine tailing saline land greening is planted trees native The dispensing of earth conditioner be stirred it is well mixed after, be packaged as diatomite mine tailing saline land greening tree planting soil conditioner.

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

Contain substantial amounts of nitrogen, phosphorus, potassium, organic matter and various trace elements in diatomite mine 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, be advantageous to the normal growth and development of Salt And Alkali Tolerance nursery stock, the diatomite that the present invention selects The thickness control of mine tailing compression Nutrition Soil tablet is at 5~8 millimeters.

Diatomite mine tailing charing soil in diatomite mine 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 can not be by phosphorus that Salt And Alkali Tolerance 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, and diatomite mine tailing carbonizes native sheet 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 good adsorbent of stable performance, adsorption effect, diatomite mine tailing saline land greening can be laid in Ammonia nitrogen in tree planting soil conditioner, the ammonia nitrogen in the original soil of salt-soda soil can also be adsorbed, for needed for Salt And Alkali Tolerance seedling growth Nutrition.

The production method of zeolite granular after acidifying is using crushing, sieve, be calcined for the first time, being acidified, draining, drying and the The technological process of regrading, first it is calcined 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 also produced, it is saline and alkaline to be advantageous to increase diatomite mine tailing The salt resistance alkali effect of ground greening and afforestation soil conditioner, the Task-size Controlling of the zeolite granular after the acidifying that the present invention selects exist 0.125~0.42 millimeter.

Stalk after acidifying has the characteristics of 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 the remains of animals and plants remains, mainly 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 as to further reduce the sodium basicity of soil, Promote the formation of soil granular structure, reach the purpose in improvement 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 in needle-like, threadiness or fiber collection shape, recessed 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 diatomite mine 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 preventing and treating plant Evil, makes plant leaf color chlorosis.

The technical scheme is that：

1st, the dispensing of diatomite mine tailing saline land greening tree planting soil conditioner is made up of following component by weight percentage：Diatom Zeolite granular 5~18%, acidifying after native mine tailing compression Nutrition Soil 10~30%, diatomite mine 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 diatomite mine tailing saline land greening tree planting soil conditioner：By diatomite mine tailing saline land greening The dispensing of tree planting soil conditioner be stirred it is well mixed after, be packaged as diatomite mine tailing saline land greening tree planting soil conditioning Agent.

3rd, the dispensing of diatomite mine tailing compression Nutrition Soil is made up of following component by weight percentage：Diatomite after acidifying The gravel after sludge 25~55%, high viscous Concave-convex clay rod 2~15%, biogas slurry immersion after mine tailing 15~35%, acidifying Attapulgite flower ceramsite 2~15%, crush after peat 2~15%, biogas residue 2~15%, crush after string 1~ 10%, expanded vermiculite 0.5~5%, expanded perlite 0.5~5% and high hydroscopic resin 0.1~5%；Diatomite mine tailing compression battalion Support the production method of soil：Diatomite mine tailing and sludge are first subjected to acidification, then diatomite mine tailing is compressed into matching somebody with somebody for Nutrition Soil Material is stirred, compressed, compressing Nutrition Soil after microwave low temperature sterilization for diatomite mine tailing.

Diatomite mine tailing compression Nutrition Soil applied for " diatomite mine tailing using by the present inventor on 08 12nd, 2014 Compress the production method of Nutrition Soil ", Chinese patent Authorization Notice No. is：CN 104109035B, authorized announcement date：2016 03 The moon 16.

4th, the dispensing of diatomite mine tailing charing soil is made up of following component by weight percentage：Diatomite mine 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 diatomite mine tailing charing soil Method：The dispensing stirring that diatomite mine tailing is first carbonized to soil is squeezed into sheet-like particle, is diatomite mine tailing charing soil after charing process.

Diatomite mine tailing charing soil is to use " the diatomite mine 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 104987234A, publication date：On October 21st, 2015.

5th, the production method of the zeolite granular after being acidified：1. first zeolite crush and sieved for the first time, after screening The Task-size Controlling of zeolite granular is at 0.149~0.42 millimeter；2. by the zeolite granular input revolution roasting in kilns after screening, roasting At 420~480 DEG C, roasting time controlled at 60~120 minutes temperature control；3. the zeolite granular after roasting is inputted into dilute sulfuric acid Acidification is carried out in pond, the preparation of dilute sulfuric acid includes following component by weight percentage：The ﹪ of concentration 98 sulfuric acid 6~10%, Water 90~94%, acidification time control was at 4~12 hours；Drained the water 4. the zeolite granular after acidified processing is taken out Point, 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, is dried For dry 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 Pellet product carries out second for the zeolite granular after acidifying, the Task-size Controlling of the zeolite granular after acidifying existing after sieving 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, roasting time are 1~3 hour, and sintering temperature is controlled at 250~450 DEG C, 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 up 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 up 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, 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 02 26th, 2014.

Diatomite mine 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 diatomite mine tailing compression Nutrition Soil of sheet, is being applied in diatomite mine tailing saline land greening tree planting soil conditioner Into soil, loose Nutrition Soil is reduced to after water suction quickly, the weight of loose Nutrition Soil is than former compression 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 diatomite mine tailing compression Nutrition Soil Element, it 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.

Diatomite mine tailing charing soil in diatomite mine 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 can not be by phosphorus that Salt And Alkali Tolerance nursery stock directly absorbs, potassium chemical combination Thing and various trace elements, it is 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, is increased substantially While the absorption property of zeolite, catalytic action, specific surface area, porosity, be advantageous to adjust the crumb structure of alkaline land soil, Increase the salt resistance alkali effect of diatomite mine tailing saline land greening tree planting soil conditioner.

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

In diatomite mine tailing saline land greening tree planting soil conditioner containing substantial amounts of calcium, magnesium, silicon, sulphur, nitrogen, phosphorus, potassium and Various trace elements, have and slowly discharge in nutrition and the function of retain water and nutrients in it, can provide Salt And Alkali Tolerance seedling growth must The nutritional ingredient of palpus, keep the nutritional ingredient in diatomite mine tailing saline land greening tree planting soil conditioner not to be lost in, be advantageous to The normal growth and development of Salt And Alkali Tolerance nursery stock, it 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.

Diatomite mine 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 diatomite mine tailing saline land greening tree planting soil conditioner Sodium ion on calcium, magnesium ion replaceable salt affected soil colloid, makes the content of soil exchangeable sodium ion reduce, and reduces soil Basicity, Pore structure in soil can not only be adjusted, promote the formation of soil granular structure, gone back simultaneously 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.

Because diatomite mine 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.

Diatomite mine tailing saline land greening tree planting soil conditioner and the soil of locality are used in mixed way, and it is local to be advantageous 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 diatomite mine 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 diatomite mine tailing salt-soda soil In greening and afforestation soil conditioner, after flowers and plants emergence survives, then in conjunction with diatomite mine tailing saline land greening tree planting soil conditioning Agent, co-transplantation to saline land greening region, keep appropriate wet in diatomite mine 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 diatomite mine 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 diatomite mine 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%。

Diatomite mine tailing saline land greening tree planting soil conditioner is applied to improvement salt-soda soil and planted trees in saline land greening.

Embodiment

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

1st, the dispensing of diatomite mine tailing saline land greening tree planting soil conditioner is made up of following component by weight percentage：Diatom Zeolite granular 10% after native mine tailing compression Nutrition Soil 20%, diatomite mine tailing charing soil 8%, acidifying, the stalk after acidifying 8%th, desulfurated plaster 12%, humic acid 8%, Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly 8%, Concave-convex clay rod 9%, ferrous sulfate 1% and water 16%.

2nd, the production method of diatomite mine tailing saline land greening tree planting soil conditioner：By diatomite mine tailing saline land greening The dispensing of tree planting soil conditioner be stirred it is well mixed after, be packaged as diatomite mine tailing saline land greening tree planting soil conditioning Agent.

Claims (3)

1. A kind of 1. diatomite mine tailing saline land greening tree planting soil conditioner, it is characterised in that diatomite mine tailing saline land greening The dispensing of tree planting soil conditioner is made up of following component by weight percentage：Diatomite mine tailing compression Nutrition Soil 10~30%, Zeolite granular 5~18% after diatomite mine 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. diatomite mine tailing saline land greening tree planting soil conditioner according to claim 1, it is characterised in that diatom The production method of native mine tailing saline land greening tree planting soil conditioner：By diatomite mine tailing saline land greening tree planting soil conditioner Dispensing be stirred it is well mixed after, be packaged as diatomite mine tailing saline land greening tree planting soil conditioner.
3. A kind of 3. diatomite mine tailing saline land greening tree planting soil conditioner according to claim 1, it is characterised in that diatom For the thickness control of native mine tailing compression Nutrition Soil tablet at 5~8 millimeters, diatomite mine tailing carbonizes thickness≤6 of native sheet-like particle Millimeter, the Task-size Controlling of the zeolite granular after acidifying is at 0.125~0.42 millimeter, stalk thickness≤3 millimeter after acidifying, 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.