CN107567744A - A kind of prevention and controls of greenhouse soil secondary salinization - Google Patents
A kind of prevention and controls of greenhouse soil secondary salinization Download PDFInfo
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Abstract
The present invention provides a kind of prevention and controls of greenhouse soil secondary salinization, is related to greenhouse soil salination Prevention Technique field.The present invention starts with from the origin cause of formation of the soil salinization, reduce applied nitrogen, getting fat and control salinity are carried out to greenhouse soil using matrix and modifying agent, rationally poured water during time out carries out the irrigation desalinization of soil by flooding or leaching, plantation, control the accumulation of salt in the surface soil, the soil salinization can effectively be controlled, it will not produce and harmful effect is produced to soil, it is free from environmental pollution, be advantageous to the sustainable development of industrialized agriculture.
Description
Technical field
The present invention relates to greenhouse soil salination Prevention Technique field, and in particular to a kind of preventing and treating of greenhouse soil secondary salinization
Method.
Background technology
As China's vegetable cultivation area and yield gradually increase, horticultural vegetable field soil pollution degenerate problem attracts attention.Investigation
The main 633 facility soil samples in vegetable-growing area in the research whole nation find greenhouse and the μ S/cm of plastic shed soil average conductivity 523. 6 and 540. 1 μ
S/cm, higher than the 30% of the close sum of the soil sample of vegetables normal growth critical value (600 μ S/cm).Because facility cultivation can be artificial
Control condition, so as to accelerate the growth of crop, the yield of crop is improved, while realize round-the-clock, whole year production etc., facility is planted
Training has become vegetables, a kind of important model of melon and fruit production in the world at present.Yet with throughout the year in greenhouse or greenhouse
Under covering state, the water balance situation in soil is different from outdoor cultivation mode, causes salinity and mineral in lower soil to be supported
Divide and rise to earth's surface with capillary, cause soil secondary salinization, the accumulation of soil salt content can cause the soil liquid dense
Spend height, cause crop " physiological drought ", as soil moisture content is low cause crop " water shortage arid ", physiological drought
Crop failure can be caused even dead.Thus, soil in protected field secondary salinization turns into influences industrialized agriculture sustainable development
Significant obstacle factor.
Soil in protected field accumulation salinity is mainly based on nitrate anion, sulfate radical.Numerous studies show, cause salt accumulation main cause
On the one hand it is improper with vegetable grower's fertilization type, proportioning is unreasonable, relevant using excess, caused by being on the other hand unreasonable irrigation.Cross
The salinity of amount accumulation can be not only enriched with vegetables causes fruit quality to decline, and can be to deep subsoil migration stain underground water
Body.
In the prior art, the measure for the preventing and treating of facility beam-connected greenhouse soil secondary salinization has a lot, with water resources industry
Exemplified by, including：1. storage fresh water on saline-alkali land for leaching, built around greenhouse and deposit precipitation, promote Soil Desalting；2. washing salinity by irrigation, filled using big quota
Irrigate, rinse leaching soil salt, and irrigated area is discharged through drainage system；3. draining lowering of watertable is to Suitable depth, conventional
Drainage pattern has gutter drainage, closed drainage, drainage by shaft wells；4. digging soil moved in improve the original under big cave, bottom sets separation layer and oozes pipe salt discharge
Deng.But these prophylactico-therapeutic measures quantities are big, effect is not ideal enough, and greenhouse soil secondary salinization is still to influence facility agriculture
An important factor for industry sustainable development.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of prevention and controls of greenhouse soil secondary salinization, solve existing
There is the undesirable technical problem of technology medium temperature chamber soil secondary salinization prevention and controls.
To realize object above, technical scheme is achieved by the following technical programs：
A kind of prevention and controls of greenhouse soil secondary salinization, comprise the following steps：
S1, matrix is applied into greenhouse soil, by soil deep tillage 25-35cm, its mesostroma mu amount of application 500-1000 kg；
1-2 applies soil conditioner, mu amount of application 80-160 after individual month in greenhouse soil after S2, greenhouse soil apply matrix
Kg, greenhouse soil is uniformly turned over once, plough deeply 25-35cm, regulation plowed soils moisture is 15-30%；
S3, by vegetables dense planting step S2 processing after greenhouse soil on, after vegetable seedling be colonized irrigation final singling water, final singling water
Control as 20-40 side/mu；
After S4, vegetable seedling field planting, fertigation is carried out；
After S5, vegetables harvesting, in time out, greenhouse soil is irrigated so that soil moisture content is field water holding after irrigation
The 60-70% of amount.
Further, matrix described in step S1 is by lotus pool mud 10-30 parts, long handle trichoderma 0.5-3 parts, silkworm excrement 3-9 parts, cassava
Slag 3-9 parts, microbial bacterial agent 2-6 parts, amino-acid salt 1-6 parts, glucose 4-8 parts, blue-green algae 3-8 parts, lignite 8-15 parts, ardealite
6-17 parts, fermentation poultry manure 8-20 parts, fermented stalk 10-15 parts, zeolite 10-25 parts mix.
Further, the microbial bacterial agent is bacillus amyloliquefaciens, bacillus megaterium, bacillus licheniformis, ferment
At least one of female bacterium, azotobacter vinelandii.
Further, the amino-acid salt is at least one of phenylalanine salt, cysteine salt, serine salt.
Further, modifying agent described in step S2 is by mannitol 2-6 parts, alum 3-9 parts, maltodextrin 2-6 parts, sepiolite
15-30 parts, vermiculite 10-25 parts, biomass semicoke 10-18 parts, calcium superphosphate 5-10 parts, water 10-30 parts, and the modifying agent
Preparation method is：The mannitol of parts by weight, alum, maltodextrin, biomass semicoke, calcium superphosphate, water are well mixed, obtained
Mixture；Sepiolite, vermiculite are crushed to 100-200 mesh respectively, activated at a temperature of 400 DEG C -450 DEG C, cools down, obtains Hai Pao
Stone powder, vermiculite powder, it is standby；Mixture and sepiolite powder, vermiculite powder are mixed, pass through high pressure nozzle after stirring
Atomizing spray is carried out, is then air-dried at 30-40 DEG C with air blower, is milled to 80-150 mesh and preserves, you can.
Further, the biomass semicoke is suppressed after being well mixed by biomass charcoal powder 20-40 parts, binding agent 3-7 parts
Shaping, the destructive distillation 6-9h at a temperature of 810-850 DEG C, obtains biomass semicoke.
Further, the fertilizer to be applied fertilizer described in step S4 is MAP, potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, phosphoric acid
At least one of ammonium dihydrogen, potassium fulvate.
Further, the vegetables are cucumber or tomato, and the green cucumber density is 3700 plants/acre, and cucumber seedling is fixed
After plant, final singling water 30-40 side/mu is irrigated；The tomato planting density is irrigation final singling after 2700 plants/acre of tomato seedling field planting
Water 20-30 side/mu.
Further, the vegetables are cucumber, and 20000 jin of mus of per mu yield cucumber apply N 24 kg, P2O515 kg, K2O36 kg, yellow
Melon produces seedling stage not fertigation, florescence irrigation fertilization 1 time, applies phosphorus nitrogen potassium N：P2O5：K2O weight ratio is 18：14：18 water
Molten fertilizer, fertilizer once used amount 3-5 kg/ mus, coordinate irrigation quantity 7-10 side/mu, since fruit harvesting, apply phosphorus nitrogen potassium N：
P2O5：K2O weight ratio is 18：6：26 water-soluble fertilizer, fertigation in 4-6 days 1 time, fertilizer once used amount 6-8 kg/ mus, coordinate
Irrigation quantity 8-12 side/mu.
Further, the vegetables are tomato, and 20000 jin of mus of per mu yield tomato apply N16 kg, P2O56 kg, K2O37 kg,
Tomato production seedling stage and florescence not irrigation fertilization, tomato the first fringe fruit, which bears fruit, starts fertigation, applies phosphorus nitrogen potassium N：P2O5：
K2O weight ratio is 18：6：26 water-soluble fertilizer, fertigation in 7-10 days 1 time, fertilizer once used amount 6-8 kg/ mus, cooperation are poured water
Measure 12-15 side/mu.
The present invention provides a kind of prevention and controls of greenhouse soil secondary salinization, and advantage is compared with prior art：
The present invention starts with from the origin cause of formation of the soil salinization, reduces applied nitrogen, and greenhouse soil is carried out using matrix and modifying agent
Getting fat and control salinity, rationally pour water during time out carries out the irrigation desalinization of soil by flooding or leaching, plantation, control the accumulation of salt in the surface soil, can effectively control soil
Earth salination, it will not produce and harmful effect is produced to soil, it is free from environmental pollution, be advantageous to the sustainable development of industrialized agriculture；
The present invention uses aggregate measures, and by Rational Application matrix, reasonably combined fertilizer type, fertilizer ratio is balanced, rationally fills
The measure such as irrigating improves soil physical properties, is natural soil secondary salinization repair materials and slow release fertilizer using organic materials
Characteristic, by apply matrix and organic fertilizer substitute part chemical fertilizer, rationalize Rate of Organic Fertilizer, water-saving irrigation coordinates chemical fertilizer to subtract to apply
While vegetables nutrient demand is ensured, the soil salinization is fundamentally effectively prevented and treated；
Matrix formulations of the present invention are reasonable, not only salt reduction positive effect, and increase soil fertility, and peasant is easy to apply, economy effect
It is beneficial obvious；Composition sepiolite, vermiculite in modifying agent are obtained by activating technology, coordinate biomass semicoke, mannitol, alum,
Other raw materials such as maltodextrin, calcium superphosphate, obtained modifying agent can effectively reduce greenhouse soil salinity, coordinate the work of matrix
With, it is effective to prevent and treat greenhouse soil secondary salinization, improve greenhouse soil environment, balance crop nutrition content, improve raise crop yield
And quality, be advantageous to greenhouse soil sustainable use.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, with reference to the embodiment of the present invention pair
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made work, belongs to the scope of protection of the invention.
Embodiment 1：
The prevention and controls of the present embodiment greenhouse soil secondary salinization, comprise the following steps：
S1, matrix is applied into greenhouse soil, by soil deep tillage 25cm, its mesostroma mu amount of application 500kg；
Using soil conditioner after 1 month, is applied after matrix in greenhouse soil, the kg of mu amount of application 80 will for S2, greenhouse soil
Greenhouse soil is uniformly turned over once, ploughs deeply 25cm, regulation plowed soils moisture is 15-30%；
S3, by vegetables dense planting on greenhouse soil after step S2 processing, irrigation final singling water after vegetable seedling be colonized, vegetables are
Cucumber, green cucumber density are 3700 plants/acre, after cucumber seedling field planting, irrigate 30 sides of final singling water/mu；
After S4, vegetable seedling field planting, fertigation is carried out, 20000 jin of mus of per mu yield cucumber apply N 24 kg, P2O515 kg, K2O36
Kg, cucumber production seedling stage not fertigation, florescence irrigation fertilization 1 time, apply phosphorus nitrogen potassium N：P2O5：K2O weight ratio is 18：14：
18 water-soluble fertilizer, the kg/ mus of fertilizer once used amount 3, coordinate 7 sides of irrigation quantity/mu, since fruit harvesting, apply phosphorus nitrogen potassium N：
P2O5：K2O weight ratio is 18：6：26 water-soluble fertilizer, fertigation in 4 days 1 time, the kg/ mus of fertilizer once used amount 6, cooperation are poured water
Measure 8 sides/mu；
After S5, vegetables harvesting, in time out, greenhouse soil is irrigated so that soil moisture content is field water holding after irrigation
The 60-70% of amount.
Wherein, step S1 matrix is by 10 parts of lotus pool mud, 0.5 part of long handle trichoderma, 3 parts of silkworm excrement, 3 parts of manioc waste, microbial bacteria
2 parts of agent, 1 part of amino-acid salt, 4 parts of glucose, 3 parts of blue-green algae, 8 parts of lignite, 6 parts of ardealite, 8 parts of poultry manure of fermentation, fermentation straw
10 parts of stalk, 10 parts of zeolite mix；Microbial bacterial agent be bacillus amyloliquefaciens, bacillus megaterium, bacillus licheniformis,
Saccharomycete, azotobacter vinelandii mix；Amino-acid salt is phenylalanine salt, cysteine salt, serine salt mix；
Step S2 modifying agents are by 2 parts of mannitol, 3 parts of alum, 2 parts of maltodextrin, 15 parts of sepiolite, 10 parts of vermiculite, biomass half
Burnt 10 parts, 5 parts of calcium superphosphate, 10 parts of water, and the preparation method of the modifying agent is：By the mannitol, alum, malt of parts by weight
Dextrin, biomass semicoke, calcium superphosphate, water are well mixed, and obtain mixture；Sepiolite, vermiculite are crushed to 100 mesh respectively,
Activated at a temperature of 400 DEG C, cool down, obtain sepiolite powder, vermiculite powder, it is standby；By mixture and sepiolite powder, vermiculite
Powder mixes, and carries out atomizing spray by high pressure nozzle after stirring, is then air-dried, be milled to 80 with air blower at 30 DEG C
Mesh preserves, you can；Biomass semicoke is well mixed rear compressing by 20 parts of biomass charcoal powder, 3 parts of binding agent, in 810 DEG C of temperature
The lower destructive distillation 6h of degree, obtains biomass semicoke；
The fertilizer of step S4 fertilisings is potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, ammonium dihydrogen phosphate, potassium fulvate mix.
Embodiment 2：
The prevention and controls of the present embodiment greenhouse soil secondary salinization, comprise the following steps：
S1, matrix is applied into greenhouse soil, by soil deep tillage 35cm, its mesostroma mu amount of application 1000 kg；
Using soil conditioner after 2 months, is applied after matrix in greenhouse soil, the kg of mu amount of application 160 will for S2, greenhouse soil
Greenhouse soil is uniformly turned over once, ploughs deeply 35cm, regulation plowed soils moisture is 15-30%；
S3, by vegetables dense planting on greenhouse soil after step S2 processing, irrigation final singling water after vegetable seedling be colonized, vegetables are
Tomato enters, and 20000 jin of mus of per mu yield tomato apply N16 kg, P2O56 kg, K2O37 kg, and tomato production seedling stage and florescence do not pour water
Fertilising, tomato the first fringe fruit, which bears fruit, starts fertigation, applies phosphorus nitrogen potassium N：P2O5：K2O weight ratio is 18：6：26 Water soluble fertilizer
Material, fertigation in 10 days 1 time, the kg/ mus of fertilizer once used amount 8, coordinate 15 sides of irrigation quantity/mu；
After S4, vegetable seedling field planting, row fertigation；
After S5, vegetables harvesting, in time out, greenhouse soil is irrigated so that soil moisture content is field water holding after irrigation
The 60-70% of amount.
Wherein, step S1 matrix is by 30 parts of lotus pool mud, 3 parts of long handle trichoderma, 9 parts of silkworm excrement, 9 parts of manioc waste, microbial bacterial agent 6
Part, 6 parts of amino-acid salt, 8 parts of glucose, 8 parts of blue-green algae, 15 parts of lignite, 17 parts of ardealite, 20 parts of poultry manure of fermentation, fermentation straw
15 parts of stalk, 25 parts of zeolite mix；Microbial bacterial agent is bacillus amyloliquefaciens；Amino-acid salt is phenylalanine salt；
Step S2 modifying agents are by 6 parts of mannitol, 9 parts of alum, 6 parts of maltodextrin, 30 parts of sepiolite, 25 parts of vermiculite, biomass half
Burnt 18 parts, 10 parts of calcium superphosphate, 30 parts of water, and the preparation method of the modifying agent is：By the mannitol, alum, wheat of parts by weight
Bud dextrin, biomass semicoke, calcium superphosphate, water are well mixed, and obtain mixture；Sepiolite, vermiculite are crushed to 200 respectively
Mesh, activated at a temperature of 450 DEG C, cool down, obtain sepiolite powder, vermiculite powder, it is standby；By mixture and sepiolite powder,
Vermiculite powder mixes, and carries out atomizing spray by high pressure nozzle after stirring, is then air-dried at 40 DEG C with air blower, is milled
Preserved to 150 mesh, you can；Biomass semicoke is well mixed rear compressing by 40 parts of biomass charcoal powder, 7 parts of binding agent, 850
Destructive distillation 9h at a temperature of DEG C, obtain biomass semicoke；
The fertilizer of step S4 fertilisings is MAP, potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, ammonium dihydrogen phosphate, potassium fulvate mix
Conjunction forms.
Embodiment 3：
The prevention and controls of the present embodiment greenhouse soil secondary salinization, comprise the following steps：
S1, matrix is applied into greenhouse soil, by soil deep tillage 30cm, its mesostroma mu amount of application 750kg；
S2, greenhouse soil are applied after matrix after 1 first quarter moon, apply soil conditioner in greenhouse soil, the kg of mu amount of application 120,
Greenhouse soil is uniformly turned over once, ploughs deeply 30cm, regulation plowed soils moisture is 15-30%；
S3, by vegetables dense planting step S2 processing after greenhouse soil on, after vegetable seedling be colonized irrigation final singling water, final singling water
Control as 30 sides/mu；
After S4, vegetable seedling field planting, fertigation is carried out；
After S5, vegetables harvesting, in time out, greenhouse soil is irrigated so that soil moisture content is field water holding after irrigation
The 60-70% of amount.
Wherein, step S1 matrix is by 20 parts of lotus pool mud, 1.5 parts of long handle trichoderma, 6 parts of silkworm excrement, 6 parts of manioc waste, microbial bacteria
4 parts of agent, 3 parts of amino-acid salt, 6 parts of glucose, 6 parts of blue-green algae, 11 parts of lignite, 12 parts of ardealite, 14 parts of poultry manure of fermentation, fermentation
13 parts of stalk, 17 parts of zeolite mix；Microbial bacterial agent is bacillus amyloliquefaciens, bacillus megaterium, lichens gemma bar
Bacterium, saccharomycete mix；Amino-acid salt is cysteine salt；
Step S2 modifying agents are by 4 parts of mannitol, 6 parts of alum, 4 parts of maltodextrin, 23 parts of sepiolite, 18 parts of vermiculite, biomass half
Burnt 14 parts, 7 parts of calcium superphosphate, 20 parts of water, and the preparation method of the modifying agent is：By the mannitol, alum, malt of parts by weight
Dextrin, biomass semicoke, calcium superphosphate, water are well mixed, and obtain mixture；Sepiolite, vermiculite are crushed to 150 mesh respectively,
Activated at a temperature of 420 DEG C, cool down, obtain sepiolite powder, vermiculite powder, it is standby；By mixture and sepiolite powder, vermiculite
Powder mixes, and carries out atomizing spray by high pressure nozzle after stirring, is then air-dried at 35 DEG C with air blower, and milling is extremely
120 mesh preserve, you can；Biomass semicoke is well mixed rear compressing by 30 parts of biomass charcoal powder, 5 parts of binding agent, at 830 DEG C
At a temperature of destructive distillation 7h, obtain biomass semicoke；
The fertilizer of step S4 fertilisings is MAP, potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, potassium fulvate mix.
Organic materials contains abundant carbon, meeting while supplementing the soil organism, improving physical behavior after being manured into soil
The nitrate of fixed enrichment, so as to reduce salt damage.And the nutrient in organic materials gradually discharges also with the decomposition of microorganism, again
Play nutrient slowly-released effect.It is natural soil secondary salinization repair materials and slow release fertilizer using proper organic materials.Soil
The integrated control of earth secondary salinization substitutes part chemical fertilizer by application of organic fertilizers, rationalizes Rate of Organic Fertilizer, water-saving irrigation cooperation
Chemical fertilizer, which subtracts, to be applied while vegetables nutrient demand is ensured, effectively prevents and treats soil secondary salinization.
In summary, the present invention starts with from the origin cause of formation of the soil salinization, applied nitrogen is reduced, using matrix and modifying agent pair
Greenhouse soil carries out getting fat and control salinity, is rationally poured water during time out carries out the irrigation desalinization of soil by flooding or leaching, plantation, controls the accumulation of salt in the surface soil, energy
Enough effectively control soil salinizations, will not produce and harmful effect is produced to soil, free from environmental pollution, and be advantageous to industrialized agriculture can
Sustainable development；The present invention uses aggregate measures, and by Rational Application matrix, reasonably combined fertilizer type, fertilizer ratio is balanced, closes
The measures such as reason irrigation improve soil physical properties, are natural soil secondary salinization repair materials and sustained release using organic materials
The characteristic of fertilizer, substitute part chemical fertilizer by applying matrix and organic fertilizer, rationalize Rate of Organic Fertilizer, water-saving irrigation cooperation chemical fertilizer
Subtract and apply while vegetables nutrient demand is ensured, fundamentally effectively prevent and treat the soil salinization；Matrix formulations of the present invention are reasonable, no
Only salt reduction positive effect, and increase soil fertility, peasant is easy to apply, and economic benefit is obvious；Composition Hai Pao in modifying agent
Stone, vermiculite are obtained by activating technology, and coordinating biomass semicoke, mannitol, alum, maltodextrin, calcium superphosphate etc., other are former
Material, obtained modifying agent can effectively reduce greenhouse soil salinity, coordinate the effect of matrix, effectively prevent and treat the secondary salt of greenhouse soil
Stain, improve greenhouse soil environment, balance crop nutrition content, improve raise crop yield and quality, being advantageous to greenhouse soil can hold
It is continuous to utilize.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although ginseng
The present invention is described in detail according to previous embodiment, it will be understood by those within the art that：It still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the present invention technical scheme
Enclose.
Claims (10)
1. a kind of prevention and controls of greenhouse soil secondary salinization, it is characterised in that comprise the following steps：
S1, matrix is applied into greenhouse soil, by soil deep tillage 25-35cm, its mesostroma mu amount of application 500-1000 kg；
1-2 applies soil conditioner, mu amount of application 80-160 after individual month in greenhouse soil after S2, greenhouse soil apply matrix
Kg, greenhouse soil is uniformly turned over once, plough deeply 25-35cm, regulation plowed soils moisture is 15-30%；
S3, by vegetables dense planting step S2 processing after greenhouse soil on, after vegetable seedling be colonized irrigation final singling water, final singling water
Control as 20-40 side/mu；
After S4, vegetable seedling field planting, fertigation is carried out；
After S5, vegetables harvesting, in time out, greenhouse soil is irrigated so that soil moisture content is field water holding after irrigation
The 60-70% of amount.
2. prevention and controls according to claim 1, it is characterised in that：Matrix described in step S1 is by lotus pool mud 10-30 parts, length
Handle trichoderma 0.5-3 parts, silkworm excrement 3-9 parts, manioc waste 3-9 parts, microbial bacterial agent 2-6 parts, amino-acid salt 1-6 parts, glucose 4-8
Part, blue-green algae 3-8 parts, lignite 8-15 parts, ardealite 6-17 parts, fermentation poultry manure 8-20 parts, fermented stalk 10-15 parts, zeolite
10-25 parts mix.
3. prevention and controls according to claim 2, it is characterised in that：The microbial bacterial agent be bacillus amyloliquefaciens,
At least one of bacillus megaterium, bacillus licheniformis, saccharomycete, azotobacter vinelandii.
4. prevention and controls according to claim 2, it is characterised in that：The amino-acid salt is phenylalanine salt, half Guang ammonia
At least one of hydrochlorate, serine salt.
5. prevention and controls according to claim 1, it is characterised in that modifying agent described in step S2 is by mannitol 2-6 parts, white
Alum 3-9 parts, maltodextrin 2-6 parts, sepiolite 15-30 parts, vermiculite 10-25 parts, biomass semicoke 10-18 parts, calcium superphosphate 5-
10 parts, water 10-30 parts, and the preparation method of the modifying agent is：By the mannitol of parts by weight, alum, maltodextrin, biomass
Semicoke, calcium superphosphate, water are well mixed, and obtain mixture；Sepiolite, vermiculite are crushed to 100-200 mesh respectively, 400 DEG C-
Activated at a temperature of 450 DEG C, cool down, obtain sepiolite powder, vermiculite powder, it is standby；By mixture and sepiolite powder, vermiculite power
End mixing, carries out atomizing spray by high pressure nozzle after stirring, is then air-dried at 30-40 DEG C with air blower, and milling is extremely
80-150 mesh preserves, you can.
6. prevention and controls according to claim 5, it is characterised in that：The biomass semicoke is by biomass charcoal powder 20-40
It is compressing after part, binding agent 3-7 parts are well mixed, the destructive distillation 6-9h at a temperature of 810-850 DEG C, obtain biomass semicoke.
7. prevention and controls according to claim 1, it is characterised in that：The fertilizer to be applied fertilizer described in step S4 be MAP,
At least one of potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, ammonium dihydrogen phosphate, potassium fulvate.
8. prevention and controls according to claim 1, it is characterised in that：The vegetables are cucumber or tomato, the cucumber kind
Density in planting is 3700 plants/acre, after cucumber seedling field planting, irrigates final singling water 30-40 side/mu；The tomato planting density is 2700
After the field planting of plant/acre tomato seedling, final singling water 20-30 side/mu is irrigated.
9. prevention and controls according to claim 8, it is characterised in that：The vegetables are cucumber, 20000 jin of mus of per mu yield cucumber
N 24 kg, P2O515 kg, K2O36 kg are applied, cucumber production seedling stage not fertigation, florescence irrigation fertilization 1 time, applies phosphorus nitrogen
Potassium N：P2O5：K2O weight ratio is 18：14：18 water-soluble fertilizer, fertilizer once used amount 3-5 kg/ mus, coordinate irrigation quantity 7-10
Side/mu, since fruit harvesting, apply phosphorus nitrogen potassium N：P2O5：K2O weight ratio is 18：6：26 water-soluble fertilizer, irrigation in 4-6 days are applied
Fertilizer 1 time, fertilizer once used amount 6-8 kg/ mus, coordinate irrigation quantity 8-12 side/mu.
10. prevention and controls according to claim 8, it is characterised in that：The vegetables are tomato, 20000 jin of per mu yield tomato
Mu applies N16 kg, P2O56 kg, K2O37 kg, and tomato production seedling stage and florescence, irrigation fertilization, tomato the first fringe fruit did not beared fruit
Start fertigation, apply phosphorus nitrogen potassium N：P2O5：K2O weight ratio is 18：6：26 water-soluble fertilizer, fertigation in 7-10 days 1 time, fertilizer
Expect once used amount 6-8 kg/ mus, coordinate irrigation quantity 12-15 side/mu.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892059A (en) * | 2019-03-28 | 2019-06-18 | 中国科学院沈阳应用生态研究所 | A kind of method that substep cuts down safely layout planning Soil Nitrate and sulfate excessive buildup |
| CN110186961A (en) * | 2019-06-06 | 2019-08-30 | 扬州大学 | A kind of diagnostic method that crowndaisy chrysanthemum is endangered by soil secondary salinization |
| CN111567176A (en) * | 2020-05-14 | 2020-08-25 | 天津市方正园林建设监理中心 | Saline-alkali soil greening improvement method |
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| CN110186961A (en) * | 2019-06-06 | 2019-08-30 | 扬州大学 | A kind of diagnostic method that crowndaisy chrysanthemum is endangered by soil secondary salinization |
| CN111567176A (en) * | 2020-05-14 | 2020-08-25 | 天津市方正园林建设监理中心 | Saline-alkali soil greening improvement method |
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