CN109906911A - A kind of modified soil and its preparation process applied to Football Field Turf plantation - Google Patents
A kind of modified soil and its preparation process applied to Football Field Turf plantation Download PDFInfo
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Abstract
The present invention relates to a kind of modified soils applied to Football Field Turf plantation, are related to the technical field of soil improvement comprising following weight percent meter raw material: chemical fertilizer 3-7%, organic fertilizer 3-7%, soil conditioner 10-20% and sandy soil surplus；The soil conditioner includes following weight percent meter raw material: tryptophan 11-15%, p-methyl benzenesulfonic acid 6-10%, cornstarch 9-13%, modified zeolite 30-50%, N,N methylene bis acrylamide 0.6-1%, mercaptopropionic acid 0.3-0.7%, pH adjusting agent 1-5%, initiator 0.3-0.7%, root-growing agent 0.6-1%, dispersing agent 0.3-0.7%, sodium tripolyphosphate 0.1-0.5% and deionized water surplus.Preparation method is 1) to prepare initiator, pH adjusting agent, root-growing agent；2) the first mixture is prepared；3) the second mixture is prepared；4) third mixture；5) after third mixture being dried, crush and is sieved, soil conditioner is obtained.By being modified and compounding to soil, to improve the water imbibition and aeration of soil, keep soil not easy to harden, improves turf quality.
Description
Technical field
The present invention relates to the technical fields of soil improvement, more particularly, to a kind of modification applied to Football Field Turf plantation
Soil and its preparation process.
Background technique
Football Field Turf is divided into natural grass football pitch, pedaline football pitch, the careless football pitch of true and false mixing according to surface layer type
Three categories.Wherein natural grass football pitch is often to use Site Type as football match.
But natural Football Field Turf is in use for some time, i.e., after long-term movement is trampleed on, on the bed of level ground
Root zone part is easy to be compacted compression, and generation is hardened, causes the oxygen content in soil to decline, influences the normal life on lawn
It is long, so that there is lawn degeneration, turf quality decline to natural Football Field Turf in the phase after use.
Meanwhile the ponding in football pitch is easily caused when rainy in traditional football pitch.Ponding excessively will lead in soil
Oxygen content decline, to influence the normal growth on lawn.And after rainfall, since ponding is not easy to be discharged, generally require people
Work draining, and this soil that will cause football pitch can be discharged with water and is lost, and so as to cause the reduction of planting soil, influence lawn
Normal growth.
Summary of the invention
The object of the present invention is to provide a kind of modified soils applied to Football Field Turf plantation, by changing to soil
Property and compounding keep soil not easy to harden to improve the water imbibition and aeration of soil, improve turf quality.
Foregoing invention purpose of the invention has the technical scheme that
A kind of modified soil applied to Football Field Turf plantation, including following weight percent meter raw material: chemical fertilizer 3-
7%, organic fertilizer 3-7%, soil conditioner 10-20% and sandy soil surplus；
The soil conditioner includes following weight percent meter raw material: tryptophan 11-15%, p-methyl benzenesulfonic acid 6-
10%, cornstarch 9-13%, modified zeolite 30-50%, N,N methylene bis acrylamide 0.6-1%, mercaptopropionic acid 0.3-
0.7%, pH adjusting agent 1-5%, initiator 0.3-0.7%, root-growing agent 0.6-1%, dispersing agent 0.3-0.7%, tripolyphosphate
Sodium 0.1-0.5% and deionized water surplus.
By using above-mentioned technical proposal, chemical fertilizer and organic fertilizer give plant offer basal nutrient, improve the growth speed of plant
Rate and effect.Sandy soil provide the basic support of lawn growth to turf plant.
Modified soil agent can absorb water extra in earth, prevent soil due to leading to soil containing a large amount of moisture
Oxygen content decline and soil erosion, make lawn normal growth, improve turf quality.
Chemical fertilizer, organic fertilizer, sandy soil and the configuration of modified soil agent certain proportion, keep the wettability of soil in certain range
It is interior, soil's being over wet or overdrying are prevented, the normal growth of plant is influenced.Burning is generated since chemical fertilizer, organic fertilizer excessively will cause plant
Seedling phenomenon influences the normal growth of plant, when very few, since the nutrition of plant is inadequate, will affect the normal growth of plant.
Root-growing agent has plant root growth certain facilitation effect of taking root, and improves the growth effect of plant root growth
Rate.
N,N methylene bis acrylamide is as crosslinking agent.
Mercaptopropionic acid is as chain-transferring agent, to improve the effect of cornstarch Yu tryptophan and p-methyl benzenesulfonic acid graft copolymerization
The yield of rate and combed polymeric monomer.Mercaptopropionic acid can make the activated centre of the free radical of tryptophan and p-methyl benzenesulfonic acid to sulfonic acid
Base and carboxyl transfer, enable them to interphase distribution distribution, to put the synergistic effect of this 2 kinds of monomers to good use completely.Meanwhile activity
The transfer at center can reduce the degree of polymerization, adjust the molecular weight distribution of water-reducing agent.
Tryptophan and p-methyl benzenesulfonic acid are grafted under the action of crosslinking agent, chain-transferring agent and initiator with cornstarch
Copolymerization, the macromonomer copolymer of generation.Due to introducing the hydrophilic radicals such as carboxyl and sulfonic group on cornstarch, improve
The water imbibition of cornstarch.Soil modifier is set to absorb water in the case where soil moisture content is more, in the case where water is less,
Intracorporal moisture will be stored in slowly to discharge, achieve the purpose that adjust ground moistening degree.Simultaneously as using cornstarch conduct
The ontology of graft copolymer, so that soil modifier has good natural degradation, it is natural pollution-free.
Meanwhile tryptophan is the precursor substance that auxin biosynthesis is important in plant, structure is similar to IAA, can
With the efficiency of the plant growth of raising.
Modified zeolite than natural zeolite large specific surface area, and have more micropore networks, have stronger suction
Attached property.Using the porous carrier of modified zeolite, the permeability of soil is helped to improve, porous carrier has suction-operated, plays
Water retention simultaneously reduces fertilizer component loss, promotes the free exchange between secretions from plant roots and porous carrier adsorbate,
Improve utilization rate of fertilizer.
Sodium tripolyphosphate can be used as dispersing agent, improves the various surface tension constituted between phase in mixture, is allowed to be formed
Uniform and stable dispersion.
The present invention is further arranged to: soil conditioner further includes following weight percent meter raw material: tricresyl phosphate (2- chlorine third
Base) ester 0.3-0.7%.
By using above-mentioned technical proposal, grafting can occur with cornstarch for tricresyl phosphate (2- chloropropyl) ester altogether
It is poly-, phosphate short-chain branch is introduced in macromolecular, it is interlaced with polymeric monomer long-chain branch, increase soil conditioner water imbibition and
Aeration keeps soil not easy to harden, improves turf quality.Meanwhile tricresyl phosphate (2- chloropropyl) ester occurs with cornstarch
Graft copolymerization can introduce quaternary ammonium type chloride ion on copolymer, and make to be formed high-hydroscopicity copolymer has antibiotic and sterilizing
Can, make soil conditioner that there is antibacterial, the ability of sterilization, enhances the antibacterial and mouldproof effect of soil, prevent due to plant decay, and
Lead to the Plant death of large area.
The present invention is further arranged to: chitosan 1-5%, catalase 1-5%, methyl α-naphthyl acetate 3-7%, lichenic acid 1-
5%, gelatin 6-10%, talcum powder 10-20% and deionized water surplus.
By using above-mentioned technical proposal, chitosan is easy to dissolve in weakly acidic solvent, it is worth pointing out that dissolution
Contain amino cation in solution afterwards, the interaction of negative electrical charge, makes cell on these amino cations and bacterial cell membrane
Interior protease and other compositions leakage, to reach antibacterial, bactericidal effect.
Lichenic acid has antibacterial activity to gram-positive bacteria more, has high activity for anti-mycobacterium tuberculosis.
Methyl α-naphthyl acetate, gelatin, catalase are all plant growth regulator, and the root growth for transplanting plant, which has, to be promoted
Into effect, promote the division of cell, to accelerate taking root for plant.
Talcum powder is hydrous magnesium silicate, has certain micropore network, has certain adsorptivity, can play guarantor
Water acts on and reduces the loss of root-growing agent effective component, promotes freely handing between secretions from plant roots and porous carrier adsorbate
It changes, improves root-growing agent utilization rate.
The present invention is further arranged to: the PH regulator includes following weight percent meter raw material: three methene of ethylenediamine
Sodium phosphate 30-40%, ammonium hydroxide 30-50% and triethanolamine 20-30%.
By using above-mentioned technical proposal, the mass concentration of three methene sodium phosphate of ethylenediamine is 25%, and the quality of ammonium hydroxide is dense
Degree is 30% and the mass concentration of triethanolamine is 20%.For adjusting the pH value of solution, the stabilization of product system is improved
Property, inhibit product hydrolysis.Three methene sodium phosphate of ethylenediamine can be used as chelating agent simultaneously, adsorb the heavy metal ion in water.Meanwhile
Potassium, calcium etc. can be adsorbed to the effective ion of plant, improve the effect of the growth of plant.
Triethanolamine can be used as the presence of auxiliary chelating agent, improve the complexing effect of three methene sodium phosphate of ethylenediamine.
The present invention is further arranged to: the initiator includes 0.5-0.9 parts of tert-butyl hydroperoxide, sodium pyrosulfite
0.6-1 parts and deionized water 9-13 parts.
By using above-mentioned technical proposal, tert-butyl hydroperoxide and sodium pyrosulfite may be constructed redox system,
Improve reaction conversion ratio and molecular weight of product.
Tert-butyl hydroperoxide can generate hydroxyl free radical in the presence of high mild catalyst, cause monomer and carry out certainly
It is polymerize by base, but hydrogen peroxide use will affect reaction conversion ratio and molecular weight of product, and then influence the dispersion effect of product.
Sodium pyrosulfite heated easily decomposition soluble easily in water, has hydrogen peroxide by being added, can reduce sodium pyrosulfite
Decomposition amount improves the content of sodium pyrosulfite in aqueous solution, to improve reaction conversion ratio and molecular weight of product.
The present invention is further arranged to: the sandy soil include medium-fine sand and turfy soil, and the medium-fine sand accounts for sandy soil total weight
30-40%, the turfy soil accounts for the 60-70% of sandy soil total weight.
By using above-mentioned technical proposal, the wettability for keeping soil in a certain range, prevents soil's being over wet or mistake
It is dry, influence the normal growth of plant.When sandy soil are excessive, the wettability decline of soil will cause, Water-saving effect is bad.Work as turf
When soil is excessive, the wettability that will cause soil rises, and aeration and infiltration effect are bad.
A kind of preparation process of the modified soil applied to Football Field Turf plantation, it is characterised in that: the following steps are included:
1) initiator, pH adjusting agent, root-growing agent are prepared in proportion；
2) cornmeal mush liquid is prepared；After in proportion mixing cornstarch and deionized water, it is stirred and heated to a layer paste, is obtained
To cornmeal mush liquid；
3) tryptophan, p-methyl benzenesulfonic acid, tricresyl phosphate (2- chloropropyl) ester, N, N- methylene is added in cornmeal mush liquid in proportion
Base bisacrylamide, initiator, mercaptopropionic acid, sodium tripolyphosphate, are mixed and stirred for, and after mixing evenly, it is anti-to carry out ladder-elevating temperature
It answers, obtains the first mixture；
The ladder-elevating temperature reaction process be 30-40 DEG C reaction 1-1.5 hours, 40-50 DEG C reaction 1-2 hours, 50-60 DEG C
Reaction 1-1.5 hours；
4) root-growing agent, modified zeolite and dispersing agent are added to the first mixture in proportion, heat and stirred, obtain second
Mixture；
5) pH adjusting agent is added to the second mixture in proportion, be mixed and stirred for, obtain third mixture, by third
Mixture is dried, crush and sifting step after, so that its granularity is reached 65-85 μm, obtain soil conditioner；
6) after in proportion mixing medium-fine sand and turfy soil, sandy soil are made；
7) chemical fertilizer, organic fertilizer, soil conditioner and sandy soil surplus are mixed in proportion, modified soil is made.
By using above-mentioned technical proposal, in step 2: since starch is not soluble in water at normal temperature, heating makes it in high temperature
Lower swelling, division form homogeneous paste solution, so that cornstarch be facilitated to react with tryptophan and p-methyl benzenesulfonic acid.
In step 3: by ladder-elevating temperature, the temperature and time of reaction is controlled, to control different groups and cornstarch
Graft copolymerization improves the water imbibition of copolymer to realize 3 kinds of not isoplastic Grafted Starch.Between 30-40 DEG C,
It is main that phosphate and cornstarch graft copolymerization occurs.It is main that carboxyl and cornstarch grafting occurs altogether between 40-50 DEG C
It is poly-.It is main that sulfonic group and cornstarch graft copolymerization occurs between 50-60 DEG C.
In step 5: granularity control in 65-85 μ m, prevent grain diameter excessive, and influence soil conditioner with
The mixing dispersibility of remaining soil constitution.Grain diameter is too small, cause product can not moisture in good absorption soil, reduce
Product efficiency.
The present invention is further arranged to: the preparation process of the modified zeolite is used zeolite and trimethyl bromine
Change ammonium mixing, and be passed through high-temperature vapor and zeolite is heated, obtains modified zeolite；The zeolite and trimethyl
The weight ratio of ammonium bromide is 1:(1-2).
By using above-mentioned technical proposal, zeolite is mixed with dodecyl trimethyl ammonium bromide generates NH4 +Type zeolite, passes through
High-temperature steam is to NH4 +Type zeolite is purged, and water vapour is made to enter duct and skeleton reactive aluminum generation Al (OH) of zeoliteXMake aluminium
From skeleton, the non-framework aluminum group for forming support frame or cation-bit completes dealuminzation for atomic migration.Meanwhile a part of pasc reaction
It generates Si (OH)4, but Si (OH)4It is very unstable, it is easily moved in duct, into atomic rearrangement, silicon atom is filled up part dealuminzation and formed
Vacancy, obtain high-crystallinity product.
The present invention is further arranged to: in the step 1 configure root-growing agent when, in proportion by gelatin, catalase and
Deionized water mixing, after mixing evenly, then is proportionally added into chitosan, methyl α-naphthyl acetate, lichenic acid and talcum powder, stirs evenly, obtain
To root-growing agent.
By using above-mentioned technical proposal, first gelatin and catalase are mixed, talcum powder is attached to crumb structure
In the reticular structure of formation, the influence of methyl α-naphthyl acetate and lichenic acid to catalase is effectively avoided.
Catalase can react with the tert-butyl hydroperoxide in initiator, generate oxygen, improve soil
Oxygen content improves plant growth situation.
In conclusion advantageous effects of the invention are as follows:
1, by being modified and compounding to soil, to improve the water imbibition and aeration of soil, keep soil not easy to harden,
Improve turf quality；
2, there is soil conditioner that can absorb water extra in earth by being added, prevent soil due to containing a large amount of water
Point, cause the oxygen content of soil to decline and soil erosion, make lawn normal growth, improve turf quality, meanwhile, when soil have
Slow release effect discharges in a great rush, growth effect of each substance to plant in extension soil conditioner；
3, there are chitosan and tricresyl phosphate (2- chloropropyl) ester by being added, make soil that there is bactericidal effect, improve plant
Growing state.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, a kind of preparation process of the modified soil applied to Football Field Turf plantation, comprising the following steps:
1) prepare initiator: by 0.7 part of tert-butyl hydroperoxide, 0.8 part of sodium pyrosulfite and 11 parts go from
After sub- water is mixed, initiator is made；
Prepare pH adjusting agent: by 35% three methene sodium phosphate of ethylenediamine, 40% ammonium hydroxide and 25% three ethyl alcohol
After amine is mixed, pH adjusting agent is made；
Wherein the mass concentration of three methene sodium phosphate of ethylenediamine is 25%, and the mass concentration of ammonium hydroxide is 30%, triethanolamine
Mass concentration be 20%.
Prepare root-growing agent；3% catalase, 8% gelatin and 63% deionized water are mixed, stirring is equal
After even, add 3% chitosan, 5% methyl α-naphthyl acetate, 3% lichenic acid and 15% talcum powder, stir evenly, be made take root
Agent；
2) it prepares cornmeal mush liquid: after the deionized water of 11% cornstarch and 21.6% is mixed, being stirred and heated to
Layer paste, obtains cornmeal mush liquid；
3) in cornmeal mush liquid be added 13% tryptophan, 8% p-methyl benzenesulfonic acid, 0.5% tricresyl phosphate (2- chlorine third
Base) ester, 0.8% N,N methylene bis acrylamide, 0.5% initiator, 0.5% mercaptopropionic acid, 0.3% trimerization phosphorus
Sour sodium, is mixed and stirred for, and after mixing evenly, carries out ladder-elevating temperature reaction, obtains the first mixture；
Ladder-elevating temperature reaction process is 35 DEG C and reacts 1.2 hours that 45 DEG C are reacted 1.5 hours, and 55 DEG C are reacted 1.2 hours；
4) 0.8% root-growing agent, 40% modified zeolite and 0.5% dispersing agent are added to the first mixture, heated
And stir, obtain the second mixture；
The preparation process of modified zeolite uses and mixes zeolite with dodecyl trimethyl ammonium bromide, and is passed through high-temperature water steaming
Gas heats zeolite, obtains modified zeolite；The weight ratio of zeolite and dodecyl trimethyl ammonium bromide is 1:1.5.
Dispersing agent uses the produced Hydrophilic dispersant of Guangzhou De Tian new material Co., Ltd；
5) 3% pH adjusting agent is added to the second mixture, be mixed and stirred for, obtain third mixture, by third
Mixture is dried, crush and sifting step after, so that its granularity is reached 70 μm, obtain soil conditioner；
6) after mixing the turfy soil of 35% medium-fine sand and 65%, sandy soil are made；
7) by 5% chemical fertilizer, 5% organic fertilizer, 15% soil conditioner and 75% sandy soil mix, be made change
Property soil.
Embodiment 2-5 the difference from embodiment 1 is that: modified soil includes following weight percent meter raw material:
Embodiment 6-9 the difference from embodiment 1 is that: soil conditioner includes following weight percent meter raw material:
Embodiment 10-13 the difference from embodiment 1 is that: root-growing agent includes following weight percent meter raw material:
Embodiment 14-17 the difference from embodiment 1 is that: PH regulator includes following weight percent meter raw material:
Embodiment 18-21 the difference from embodiment 1 is that: initiator includes that following parts by weight meter raw material is as follows:
Embodiment 22-25 the difference from embodiment 1 is that: first set reaction temperature is as follows: when ladder-elevating temperature
| Embodiment | Embodiment 22 | Embodiment 23 | Embodiment 24 | Embodiment 25 |
| Temperature/DEG C | 30 | 33 | 37 | 40 |
Embodiment 26-28 the difference from embodiment 1 is that: the first set reaction time is as follows: when ladder-elevating temperature
| Embodiment | Embodiment 26 | Embodiment 27 | Embodiment 28 | Embodiment 29 |
| Time/h | 1 | 1.2 | 1.4 | 1.5 |
Embodiment 30-33 the difference from embodiment 1 is that: second of reaction temperature is as follows: when ladder-elevating temperature
| Embodiment | Embodiment 30 | Embodiment 31 | Embodiment 32 | Embodiment 33 |
| Temperature/DEG C | 40 | 43 | 47 | 50 |
Embodiment 34-37 the difference from embodiment 1 is that: second of reaction time is as follows: when ladder-elevating temperature
| Embodiment | Embodiment 34 | Embodiment 35 | Embodiment 36 | Embodiment 37 |
| Time/h | 1 | 1.3 | 1.7 | 2 |
Embodiment 38-41 the difference from embodiment 1 is that: third time reaction temperature is as follows: when ladder-elevating temperature
| Embodiment | Embodiment 38 | Embodiment 39 | Embodiment 40 | Embodiment 41 |
| Temperature/DEG C | 50 | 53 | 57 | 60 |
Embodiment 42-45 the difference from embodiment 1 is that: the third time reaction time is as follows: when ladder-elevating temperature
| Embodiment | Embodiment 42 | Embodiment 43 | Embodiment 44 | Embodiment 45 |
| Time/h | 1 | 1.2 | 1.4 | 1.5 |
Embodiment 46-49 the difference from embodiment 1 is that: the granularity of soil conditioner is as follows:
| Embodiment | Embodiment 46 | Embodiment 47 | Embodiment 48 | Embodiment 49 |
| Granularity/μm | 65 | 70 | 80 | 85 |
Embodiment 50-53 the difference from embodiment 1 is that: in sandy soil include following weight percent meter raw material:
Comparative example
Comparative example 1 the difference from embodiment 1 is that, without soil conditioner in modified soil.
Comparative example 2 the difference from embodiment 1 is that, without p-methyl benzenesulfonic acid in soil conditioner.
Comparative example 3 the difference from embodiment 1 is that, without tryptophan in soil conditioner.
Comparative example 4 and the difference of comparative example 3 be, p-methyl benzenesulfonic acid and without tryptophan in soil conditioner.
Comparative example 5 the difference from embodiment 1 is that, without modified zeolite in soil conditioner.
Comparative example 6 the difference from embodiment 1 is that, without root-growing agent in soil conditioner.
Comparative example 7 the difference from embodiment 1 is that, gelatin-free in root-growing agent.
Comparative example 8 the difference from embodiment 1 is that, without chitosan in root-growing agent.
Comparative example 9 the difference from embodiment 1 is that, without tricresyl phosphate (2- chloropropyl) ester in soil conditioner.
Comparative example 10 the difference from embodiment 1 is that, without tricresyl phosphate (2- chloropropyl) ester in soil conditioner, in root-growing agent
Without chitosan.
Product prepared in embodiment 1-3, comparative example 2-4 and comparative example 8 is subjected to water absorption rate and retentiveness test:
Water absorption rate test method: weighing 1g soil conditioner, is put into deionized water and impregnates for 24 hours, is filtered off with sieve remaining
Moisture, weighing measure water absorption rate.Water absorption rate calculating formula are as follows:
Water absorption rate=(quality of water-retaining agent-drying water-retaining agent quality after water suction)/drying water-retaining agent quality.
Retentiveness test method: the water-retaining agent after above-mentioned water suction is placed in centrifuge (1000r/min) and carries out centrifugation vibration
It swings processing, after 1min, outwells the water isolated, electronic scale weighs up its quality again by above-mentioned residue, measures retentiveness.Water holding
Property calculating formula are as follows:
After the oscillation of retentiveness=centrifugation after quality/water suction of water-retaining agent water-retaining agent quality.
| Test item | Water absorption rate | Retentiveness |
| Embodiment 1 | 698 | 89.7 |
| Embodiment 2 | 689 | 88.7 |
| Embodiment 3 | 692 | 89.4 |
| Comparative example 2 | 420 | 41.7 |
| Comparative example 3 | 417 | 40.9 |
| Comparative example 4 | 296 | 31.5 |
| Comparative example 8 | 661 | 85.9 |
As can be known from the above table, the comparison of embodiment 1 and comparative example 2-4, illustrating to be added in soil conditioner has to toluene sulphur
The water absorption rate and retentiveness of soil conditioner can be improved in acid and tryptophan, to improve the water absorbency and water retentivity of soil.Pass through
The comparison of embodiment 1, comparative example 2-4 and comparative example 8 illustrates that addition has tricresyl phosphate (2- chloropropyl) ester that can slightly improve soil and changes
Good dose of water absorption rate and retentiveness, has the improvement effect of soil water sorption and water-retaining property but seldom.
Product prepared in embodiment 1-3, comparative example 1-5 is subjected to gas permeability of soil test:
Gas permeability of soil test: the gas permeability of soil is measured using normal pressure measuring method, normal pressure measuring method analyzer device can be certainly
Row production.Instrument is mainly by containing native aluminum barrel, and surge flask (is greater than 25L), and tubualted bottle, adjustment bottle and graduated cylinder are constituted, and contains native aluminum barrel cylinder
It is provided with pore and pressure gauge among bottom, and contains and is connected between native aluminum barrel, surge flask, tubualted bottle, adjustment bottle and graduated cylinder by hose
It connects.
Determination step is as follows:
A little modified soil is taken to be placed in the native aluminum barrel of Sheng with undisturbed soil sampler, cylinder bottom spreads the gauze that haves three layers.
Experiment starts first to adjust adjustment bottle, keeps its water level equal with the water outlet height of tubualted bottle, opens clip, tubualted bottle
Middle water flows into adjustment bottle, meanwhile, it adjusts water in bottle and also starts to instill in graduated cylinder.When instillation first is dripped in graduated cylinder, write down
When be t, mercury is beated during dripping in barometer in order to prevent, thus instrument be equipped with surge flask.It should be kept when dripping
Barometer pressure is constant, can by constantly adjust adjustment bottle in water level come keep barometer pressure stablize.
In observation T time, the amount of dripping Q in graduated cylinder is that is, the quantity that air passes through soil sample.
When instillation first is dripped in graduated cylinder, it is denoted as 0, is recorded in the amount of dripping in 20min in graduated cylinder.
Situation of raining is simulated, modified soil is placed in the environment for being provided with spray equipment, is constantly sprayed with spray equipment
Water 1 hour, then above-mentioned experiment is repeated in taking a little modified soil to be placed in soil-containing tube with undisturbed soil sampler.
As can be known from the above table, the comparison of embodiment 1 and comparative example 1-4, illustrating to be added has p-methyl benzenesulfonic acid and tryptophan that can mention
The gas permeability of high soil keeps soil not easy to harden, improves turf quality.Pass through pair of embodiment 1, comparative example 1 and comparative example 5
Than illustrating that the gas permeability for having modified zeolite that soil can be improved is added, keeping soil not easy to harden, improve turf quality.
Product prepared in embodiment 1-3 and comparative example 8-10 is subjected to antibacterial test:
Anti-microbial property test, AATCC-90 test method(s): the inoculation test bacterium on agar medium, then it is close to sample, in 37
After being cultivated for 24 hours at DEG C, with the haloing size of aseptic area around amplification sem observation mushroom breeding situation and sample.Prevent bandwidth by
1 grade to 10 grades successively increases.Bandwidth is prevented to represent the size of antibacterial efficacy.
| Detection project | Prevent bandwidth |
| Embodiment 1 | 6 grades |
| Embodiment 2 | 5 grades |
| Embodiment 3 | 5 grades |
| Comparative example 8 | 3 grades |
| Comparative example 9 | 4 grades |
| Comparative example 10 | 1 grade |
As can be known from the above table, being added has chitosan and tricresyl phosphate (2- chloropropyl) ester that the antibacterial bacteriostatic ability of soil can be improved,
And the ability of antibacterial bacteriostatic increases with the amount of addition and is enhanced.
Product prepared in embodiment 1-3 and comparative example 1-10 is subjected to plantation test: warm with thickness common in the market
Season property lawn is plantation test object, chooses the football pitch in a normal use, and football pitch is divided into 13 pieces, is laid with above-mentioned
The soil of condition preparation, and the soil between every piece is obstructed by plastic diaphragms, carries out 1 year normal use.
Measurement method: in the football pitch for being divided into 13 pieces, every piece of football pitch arbitrarily takes 1m*1m square tiles, observation
Careless upgrowth situation in square tiles lawn, and calculate survival rate careless in lawn.3 pieces of square tiles are chosen on every piece of lawn,
Find out the average value of survival rate careless in lawn.
| Detection project | Average viability |
| Embodiment 1 | 89.6 |
| Embodiment 2 | 88.4 |
| Embodiment 3 | 88.9 |
| Comparative example 1 | 60 |
| Comparative example 2 | 78.2 |
| Comparative example 3 | 77.9 |
| Comparative example 4 | 68 |
| Comparative example 5 | 69.4 |
| Comparative example 6 | 78.5 |
| Comparative example 7 | 84.5 |
| Comparative example 8 | 83 |
| Comparative example 9 | 82.4 |
| Comparative example 10 | 79.8 |
As can be known from the above table, be added have soil conditioner that lawn can be improved survival rate, in use, lawn be not easy by
It is trampled in sportsman excessive with ponding, causes lawn dead due to oxygen reduction, soil hardening etc..Embodiment 1 and right
Ratio 6-7, which is compared it is found that passing through and being added, root-growing agent and gelatin, and the survival rate on lawn can be improved, lawn is made to be not easy death,
Illustrate that the presence of gelatin can protect the presence of catalase.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of modified soil applied to Football Field Turf plantation, it is characterised in that: including following weight percent meter raw material:
Chemical fertilizer 3-7%, organic fertilizer 3-7%, soil conditioner 10-20% and sandy soil surplus；
The soil conditioner includes following weight percent meter raw material: tryptophan 11-15%, p-methyl benzenesulfonic acid 6-10%, corn
Starch 9-13%, modified zeolite 30-50%, N,N methylene bis acrylamide 0.6-1%, mercaptopropionic acid 0.3-0.7%, pH value are adjusted
Agent 1-5%, initiator 0.3-0.7%, root-growing agent 0.6-1%, dispersing agent 0.3-0.7%, sodium tripolyphosphate 0.1-0.5% and go from
Sub- water surplus.
2. the modified soil according to claim 1 applied to Football Field Turf plantation, it is characterised in that: soil conditioner
It further include following weight percent meter raw material: tricresyl phosphate (2- chloropropyl) ester 0.3-0.7%.
3. the modified soil according to claim 1 applied to Football Field Turf plantation, it is characterised in that: the root-growing agent
Including following weight percent meter raw material: chitosan 1-5%, catalase 1-5%, methyl α-naphthyl acetate 3-7%, lichenic acid 1-5%, gelatin
6-10%, talcum powder 10-20% and deionized water surplus.
4. the modified soil according to claim 1 applied to Football Field Turf plantation, it is characterised in that: the PH is adjusted
Agent includes following weight percent meter raw material: three methene sodium phosphate 30-40% of ethylenediamine, ammonium hydroxide 30-50% and triethanolamine 20-
30%。
5. the modified soil according to claim 1 applied to Football Field Turf plantation, it is characterised in that: the initiator
Including 0.5-0.9 parts of tert-butyl hydroperoxide, 0.6-1 parts of sodium pyrosulfite and 9-13 parts of deionized water.
6. the modified soil according to claim 1 applied to Football Field Turf plantation, it is characterised in that: the sandy soil packet
Medium-fine sand and turfy soil are included, the medium-fine sand accounts for the 30-40% of sandy soil total weight, and the turfy soil accounts for the 60- of sandy soil total weight
70%。
7. a kind of preparation process of the modified soil applied to Football Field Turf plantation, it is characterised in that: the following steps are included:
1) initiator, pH adjusting agent, root-growing agent are prepared in proportion；
2) cornmeal mush liquid is prepared；After in proportion mixing cornstarch and deionized water, it is stirred and heated to a layer paste, obtains jade
Rice paste liquid；
3) tryptophan, p-methyl benzenesulfonic acid, tricresyl phosphate (2- chloropropyl) ester, N, N- di-2-ethylhexylphosphine oxide is added in cornmeal mush liquid in proportion
Acrylamide, initiator, mercaptopropionic acid, sodium tripolyphosphate, are mixed and stirred for, and after mixing evenly, carry out ladder-elevating temperature reaction, obtain
To the first mixture；
The ladder-elevating temperature reaction process be 30-40 DEG C reaction 1-1.5 hours, 40-50 DEG C reaction 1-2 hours, 50-60 DEG C react
1-1.5 hour；
4) root-growing agent, modified zeolite and dispersing agent are added to the first mixture in proportion, heat and stirred, obtain the second mixing
Object；
5) pH adjusting agent is added to the second mixture in proportion, be mixed and stirred for, obtained third mixture, third is mixed
Object is dried, crush and sifting step after, so that its granularity is reached 65-85 μm, obtain soil conditioner；
6) after in proportion mixing medium-fine sand and turfy soil, sandy soil are made；
7) chemical fertilizer, organic fertilizer, soil conditioner and sandy soil surplus are mixed in proportion, modified soil is made.
8. the preparation process of the modified soil according to claim 7 applied to Football Field Turf plantation, it is characterised in that:
The preparation process of the modified zeolite uses and mixes zeolite with dodecyl trimethyl ammonium bromide, and is passed through high-temperature vapor pair
Zeolite is heated, and modified zeolite is obtained；The weight ratio of the zeolite and dodecyl trimethyl ammonium bromide is 1:(1-2).
9. the preparation process of the modified soil according to claim 7 applied to Football Field Turf plantation, it is characterised in that:
When configuring root-growing agent in the step 1, gelatin, catalase and deionized water are mixed in proportion, after mixing evenly, then
It is proportionally added into chitosan, methyl α-naphthyl acetate, lichenic acid and talcum powder, is stirred evenly, root-growing agent is obtained.
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