CN107853093A - A kind of biological modification agent on beach saline-alkali ground and its preparation method and application - Google Patents

A kind of biological modification agent on beach saline-alkali ground and its preparation method and application Download PDF

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Publication number
CN107853093A
CN107853093A CN201711225382.8A CN201711225382A CN107853093A CN 107853093 A CN107853093 A CN 107853093A CN 201711225382 A CN201711225382 A CN 201711225382A CN 107853093 A CN107853093 A CN 107853093A
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biological modification
modification agent
salt
biological
soil
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CN107853093B (en
Inventor
张宇杰
常婷婷
杨绪
邵孝候
张展羽
张洁
李敏慧
陈立华
张齐兴
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Hohai University HHU
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Hohai University HHU
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilizing, sowing or planting
    • A01C21/005Following a specific plan, e.g. pattern
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/133Renewable energy sources, e.g. sunlight

Abstract

The invention discloses a kind of biological modification agent on beach saline-alkali ground, the biological modification agent includes following components in parts by weight:1 ~ 2 part of mud powder, 0.25 ~ 2 part of biological powdered carbon, 0.1 1 parts of powdered rice hulls, 4 ~ 15 parts of water, 0.5 ~ 1 part of the microbial inoculum of high salt tolerant.The invention also discloses the preparation method and application of the biological modification agent.The method have the advantages that preparation technology is simple, cost is relatively low, liquid soil conditioner can increase soil fertility rapidly, with being effectively improved beach saline-alkali the extremely low present situation of fertility.And sand grain content is high with being effectively improved beach saline-alkali, the poor present situation of soil granular structure, increases the humus of soil, is advantageous to the formation of crumb structure, after decomposition caused organic acid can also sweetening of the soil alkalescence.The biological modification method of the present invention, is not related to chemical fertilizer or other chemical improvement agents, therefore soil will not be polluted, and can also mitigate topsoil accumulation of salt in the surface soil situation, be advantageous to economic crops growing.

Description

A kind of biological modification agent on beach saline-alkali ground and its preparation method and application
Technical field
The present invention relates to fertilizer management technical field, and in particular to a kind of biological modification agent on beach saline-alkali ground and its preparation Methods and applications, more particularly to a kind of biological modification method on beach saline-alkali ground.
Background technology
The soil salinization is one of main Types of soil degradation.Salinized soil is that a series of salt and alkali components in by the soil body are made With including the general name of the soil of various solonchak and alkaline earth and other different degrees of salinization and alkalization.According to the United Nations's education, science and culture (UNESCO) and food and agricultural organization (FAO) incomplete statistics is organized, world's salinized soil gross area is about 1.0 × 109hm2, account for earth land The 7.26% of ground area.China's salinized soil area is vast, China's salinized soil area about 9.913 × 107hm2, including remaining salinized soil About 4.487 × 107hm2, modern salinized soil about 3.693 × 107hm2, potential salinized soil about 1.733 × 106hm2
Coastal beach refers to the Puddy coastal zone shoal between high tide level and low tide.According to China's littoral zone and tidal flat resources Comprehensive survey data, China coastline are up to 1.83 × 104Km, shoaly land enrich, and focus primarily upon river deltas In some of plain coast and South China Coast bays, beach 2.17 × 10 is shared4km2.And research shows that beach is still with 2-3 at present ×104km2Speed become silted up rise, be the important reserve land resources in China.Coastal beach enclose and cultivate exploitation it is with a long history, with China The factors such as Process of Urbanization Construction, industry restructuring, size of population increase influence, and cultivated area gradually decreases, people contradiction more It is prominent, the rational exploitation and utilization of Tidal Flat Resources, to expanding agriculture plantation area, promote woods, herd, fishing, the development of salt industry etc. and rush Enter Yangtze River Delta economic development and serve important function.Beach salty soil region forms due to moving back sea mostly, the salt of salification process It is mainly that Seawater immersion pours in down a chimney with river of tracing back to divide supply mode.Beach salty soil has the series of characteristics different from inland solonchak: Not only top layer salification weight, cubsoil salt content are also very high;Salinity composition is basically identical with seawater, and chloride has comparative advantage;Strand Salinized soil distribution is in zonal distribution parallel to littoral zone, and from Hai Xianglu, soil salt content and the degree of mineralization of ground water are successively decreased gradually.By It is high in beach salty soil, the beach especially newly enclosed and cultivated, soil salt content, salt accumulation in surface soil, soil nutrient deficiency, have a strong impact on soil Ground productivity and crop normal growth, in addition artificial blindness cultivation, extensive agricultural cultivating mode and the activity of reclaiming land from the sea etc. Influence causes the ecosystem further to destroy, and soil salinization situation is even more serious, to holding for Yangtze River Delta Coastal beach area Supervention exhibition is unfavorable.
The content of the invention
Goal of the invention:The technical problems to be solved by the invention there is provided a kind of biological modification agent on beach saline-alkali ground.
The present invention also technical problems to be solved there is provided a kind of preparation method of the biological modification agent on beach saline-alkali ground.
The present invention also technical problems to be solved there is provided a kind of biological modification method on beach saline-alkali ground.
Technical scheme:In order to solve the problems, such as that prior art is present, the present invention uses following technical scheme:A kind of beach salt The biological modification agent on alkali ground, the biological modification agent include following components in parts by weight:1~2 part of mud powder, biological powdered carbon 0.25~2 part, powdered rice hulls 0.1-1 parts, 4~15 parts of water, 0.5~1 part of the microbial inoculum of high salt tolerant.
Wherein, above-mentioned biological modification agent also includes 0.7~1.5 part of breeding wastewater.
Wherein, above-mentioned mud powder is derived from the mud after river, lake dredging up, by being dehydrated, air-drying, crushing and crossing 1mm sieves It is made.
Wherein, above-mentioned biological powdered carbon is bought in Jiangsu Hua Feng agro-biological engineerings Co., Ltd, pH between 7.0-9.0 it Between, formed for wheat, rice etc. are straw-carbonized, 1mm is crossed after crushing and sieves to obtain.
Wherein, above-mentioned breeding wastewater is plant's swine manure wastewater, and it is standby to be diluted to certain multiple after filtering, dilution NH in sewage afterwards3 N content is between 60~500mg/L.
Wherein, the microbial inoculum of above-mentioned high salt tolerant is added to molasses, water, Ca (OH) by EM engineering bacterias2Solution, Mg (OH)2 The bacterium solution obtained after being fermented in solution.
Preferably, the microbial inoculum of the high salt tolerant is in parts by weight by EM engineering bacterias (the EM engineering bacterias of 0.5-2 parts It is purchased from Nanjing Ai Mule environment friendly biologicals Technology Co., Ltd.) it is added to the molasses of 2-5 parts, the water of 70-85 parts, the 1g/L of 3-5 parts Ca(OH)2Solution, the 1g/L Mg (OH) of 5-10 parts2Solution, the zymotic fluid that 25 DEG C of fermentation about 30h are obtained.
The preparation method of the present invention also biological modification agent including above-mentioned beach saline-alkali ground, comprises the following steps:
1) weigh 1~2 part of mud powder, 0.25~2 part, powdered rice hulls 0.1-1 parts, 4~15 parts of water, and/or breeding wastewater 0.7 ~1.5 parts, 4~7.5 parts of water, 0.5~1 part of the microbial inoculum of high salt tolerant;
2) by the microbial inoculum of above-mentioned high salt tolerant, and/or breeding wastewater and water in 25~35 DEG C of anaerobic fermentations 7~10 days Afterwards, mud powder, powdered rice hulls, biological powdered carbon are added, first anaerobic fermentation 7-10 days under 180-230r/min rotating speeds, then aerobic fermentation 5- Produce the biological modification agent within 7 days.
The present invention also biological modification agent including above-mentioned beach saline-alkali ground is in the biological modification side on beach saline-alkali ground The application in face.
Present invention also includes a kind of biological modification method on beach saline-alkali ground, comprises the following steps:
1) in the 1st year winter after enclosing and cultivating, salt-tolerant plant is planted on the ground in beach saline-alkali;
2) in the 2nd year spring after enclosing and cultivating, first batch of industrial crops is planted, salt-tolerant plant is gathered according to 80-200cm spacing, Harvested salt-tolerant plant dries standby, and not gather in region be A to mark salt-tolerant plant, and preparation is replanted into industrial crops after harvesting Zone marker is growing area B, in 20~30 DEG C of fair weathers, sprays described biological modification agent on growing area B, biology is changed Good dose is ploughed into growing area B, after 15-30 days, soil is pushed aside with hand, industrial crops can be transplanted by having white hypha to grow, and will be received Salt-tolerant plant after cutting is covered in industrial crops root layer, to ensure that growing area B, will after industrial crops are gathered in without exposed native face Growing area B covering salt-tolerant plant fully dry after, continue spray biological modification agent, plough after burying mix it is standby;In order to anti- Only half-dried plant is directly ploughed into after soil, it is impossible to abundant decomposed fermentation, and liquid modifying agent is sprayed after drying, be advantageous to Plant is fully decomposed to ferment to increase the content of organic matter in soil, abundant improved soil fertility and structural behaviour, to treat second Year plantation uses.
3) in the 2nd year autumn after enclosing and cultivating, by the salt tolerant crop in the A of region, all standby, preparation plantation second is dried in harvesting Stubble industrial crops, in 20~30 DEG C of fair weathers, in region, A sprays biological modification agent, biological modification agent is ploughed after burying and mixed It is even standby, push soil aside with hand after 15-30 days, industrial crops can be transplanted by having white hypha to grow, and harvested salt tolerant is planted Thing is covered in industrial crops root layer, to ensure growing area without exposed native face.
Wherein, above-mentioned salt-tolerant plant is the one or more in sudangrass, clover.
Wherein, above-mentioned industrial crops are tomato or other industrial crops.
Beneficial effect:Compared with prior art, it is an advantage of the invention that:
(1) mud contains certain nutritional ingredient in itself, and the liquid soil that agricultural organic waste common fermentation makes changes Good dose has higher nutrient, can increase soil fertility rapidly, with being effectively improved beach saline-alkali the extremely low present situation of fertility.
(2) the smaller clay content of sludge granules is high, after being manured into soil, beach saline-alkali can be effectively improved sand grain content Height, the poor present situation of soil granular structure.
(3) rice husk phosphorus content is high, can increase the humus of soil, be advantageous to the formation of crumb structure, caused by after decomposition Organic acid can also sweetening of the soil alkalescence.
(4) soil newly enclosed and cultivated for coastal area beach saline-alkali, be free of any chemical composition in soil, be natural suitable Carry out the soil of organic agriculture plantation.The biological modification method of the present invention, is not related to chemical fertilizer or other chemical improvement agents, therefore not Soil can be polluted.
(5) it is covered in after the salt tolerant crop returning to the field of plantation around industrial crops root system, topsoil accumulation of salt in the surface soil situation can be mitigated, favorably In economic crops growing.
(6) gutter drainage can reduce soil salt rapidly, but salt-soda soil can not be allowed to become cultivable farmland;Plant resistance to Salt crop can largely absorb the salinity in soil, and soil can also be reduced by can not only improve soil organic matter content after its returning to the field The accumulation of salt in the surface soil;The improvement of microorganism modifying agent and its application process to soil fertility, soil texture and microbiota is respectively provided with significantly Beneficial effect.Triplicity with can efficiently improveing newly-ploughed beach saline-alkali, is made it carry out agricultural production by the present invention.
Embodiment
The present invention is described in further details with reference to specific embodiment.
According to following embodiments, the present invention may be better understood.It is however, as it will be easily appreciated by one skilled in the art that real Apply the content described by example and be merely to illustrate the present invention, without should be also without limitation on sheet described in detail in claims Invention.Following examples are in order to be described in further detail to the present invention, not to the limitation of invention.
The reagent source of the present invention:The mud powder that the present invention uses, for the mud being derived from after river, lake dredging up, in reality Test room and obtained by being dehydrated, air-drying, crushing and crossing 1mm sieve series;Biological powdered carbon is bought in the limited public affairs of Jiangsu Hua Feng agro-biological engineerings Department, 1mm is crossed after crushing and sieves to obtain;Breeding wastewater breeding wastewater is plant's swine manure wastewater, is diluted to after filtering certain Multiple is standby, and NH3--N is between 60~500mg/L in the sewage after dilution.The microbial inoculum of high salt tolerant is in Nanjing vegetable or flower By the EM engineering bacterias of 0.5-2 parts, (it is raw that EM engineering bacterias are purchased from the peaceful happy environmental protection of Nanjing love in parts by weight in Science Institute laboratory Thing Technology Co., Ltd.) it is added to the molasses of 2-5 parts, the water of 70-85 parts, the 1g/L Ca (OH) of 3-5 parts2Solution, 5-10 parts 1g/L Mg(OH)2Solution, the zymotic fluid that 25 DEG C of fermentation about 30h are obtained.This hair is described in detail below by specific embodiment It is bright.
The preparation of the biological modification agent on the beach saline-alkali ground of embodiment 1
1st, the preparation of the microbial inoculum of high salt tolerant:2 parts of sugar is added to by 0.5 part of EM engineering bacterias in parts by weight Honey, 70 parts of water, 3 parts of 1g/L Ca (OH)2Solution, 5 parts of 1g/L Mg (OH)2In solution, what 25 DEG C of fermentation about 30h were obtained Zymotic fluid.
2nd, prepared by the biological modification agent on beach saline-alkali ground:Weigh mud powder 1kg, biological powdered carbon 0.5kg, powdered rice hulls 0.1kg, The microbial inoculum 0.5kg of high salt tolerant, water 4kg, breeding wastewater 2.1kg, by breeding wastewater, the microbial inoculum and water of high salt tolerant After 35 DEG C of anaerobic fermentations 7 days, mud powder, powdered rice hulls, biological powdered carbon are added, first anaerobic fermentation 10 days under 180r/min rotating speeds, Aerobic fermentation produces biological modification agent in 7 days again.
The preparation of the biological modification agent on the beach saline-alkali ground of embodiment 2
1st, the preparation of the microbial inoculum of high salt tolerant:In parts by weight by 1 part of EM engineering bacterias be added to 3 parts molasses, 75 The water, 4 parts of 1g/L Ca (OH) of part2Solution, 7 parts of 1g/L Mg (OH)2Solution, the zymotic fluid that 25 DEG C of fermentation about 30h are obtained.
2nd, prepared by the biological modification agent on beach saline-alkali ground:Weigh mud powder 1.5kg, biological powdered carbon 1kg, powdered rice hulls 0.6kg, The microbial inoculum 0.8kg of high salt tolerant, water 8kg, breeding wastewater 3kg, by breeding wastewater, the microbial inoculum of high salt tolerant and water in 25 DEG C of anaerobic fermentations are after 10 days, addition mud powder, powdered rice hulls, biological powdered carbon, first anaerobic fermentation 7 days under 230r/min rotating speeds, then Aerobic fermentation produces biological modification agent in 5 days.
The preparation of the biological modification agent on the beach saline-alkali ground of embodiment 3
1st, the preparation of the microbial inoculum of high salt tolerant:In parts by weight by 2 parts of EM engineering bacterias be added to 5 parts molasses, 85 parts of water, 5 parts of 1g/L Ca (OH)2Solution, 10 parts of 1g/L Mg (OH)2Solution, the fermentation that 25 DEG C of fermentation about 30h are obtained Liquid.
2nd, prepared by the biological modification agent on beach saline-alkali ground:It is resistance to weigh mud powder 2kg, biological powdered carbon 2kg, powdered rice hulls 1kg, height The microbial inoculum 1kg of salt, water 15kg, breeding wastewater 4.5kg, by breeding wastewater, the microbial inoculum of high salt tolerant and water in 30 DEG C anaerobic fermentation is after 8 days, adds mud powder, powdered rice hulls, biological powdered carbon, first anaerobic fermentation 8 days under 260r/min rotating speeds, then aerobic Fermentation produces biological modification agent in 6 days.
The preparation of the biological modification agent on the beach saline-alkali ground of embodiment 4
1st, the preparation of the microbial inoculum of high salt tolerant:4 parts of sugar is added to by 1.5 parts of EM engineering bacterias in parts by weight Honey, 80 parts of water, 4 parts of 1g/L Ca (OH)2Solution, 8 parts of 1g/L Mg (OH)2Solution, the hair that 25 DEG C of fermentation about 30h are obtained Zymotic fluid.
2nd, prepared by the biological modification agent on beach saline-alkali ground:Weigh mud powder 1kg, biological powdered carbon 1kg, powdered rice hulls 0.5kg, height The microbial inoculum 0.6kg of salt tolerant, water 10kg, breeding wastewater 0.7kg, by breeding wastewater, the microbial inoculum and water of high salt tolerant After 30 DEG C of anaerobic fermentations 8 days, mud powder, powdered rice hulls, biological powdered carbon are added, first anaerobic fermentation 8 days under 260r/min rotating speeds, then Aerobic fermentation produces biological modification agent in 6 days.
The preparation of the biological modification agent on the beach saline-alkali ground of embodiment 5
1st, the preparation of the microbial inoculum of high salt tolerant:4 parts of sugar is added to by 1.5 parts of EM engineering bacterias in parts by weight Honey, 80 parts of water, 4 parts of 1g/L Ca (OH)2Solution, 8 parts of 1g/L Mg (OH)2Solution, the hair that 25 DEG C of fermentation about 30h are obtained Zymotic fluid.
2nd, prepared by the biological modification agent on beach saline-alkali ground:Weigh mud powder 2kg, biological powdered carbon 0.25kg, powdered rice hulls 1kg, The microbial inoculum 1kg of high salt tolerant, water 15kg, by the microbial inoculum of high salt tolerant and water after 30 DEG C of anaerobic fermentations 8 days, add Mud powder, powdered rice hulls, biological powdered carbon, first anaerobic fermentation 8 days under 260r/min rotating speeds, then aerobic fermentation produce biological modification in 6 days Agent.
The embodiment 1-4 of table 1 composition table
Experimental example 1~5
From the liquid biological modifying agent of gained in embodiment 1-5, tomato planting experiment is carried out in jiangsu coast salt-soda soil.
1) in the 1st year winter after enclosing and cultivating, salt-tolerant plant clover is planted on the ground in beach saline-alkali;
2) in the 2nd year spring after enclosing and cultivating, first batch of industrial crops is planted, salt-tolerant plant is gathered according to 80-200cm spacing, Harvested salt-tolerant plant dries standby, and not gather in region be A to mark salt-tolerant plant, and preparation is replanted into industrial crops after harvesting Zone marker is growing area B, in 20~30 DEG C of fair weathers, sprays described biological modification agent on growing area B, biology is changed Good dose is ploughed into growing area B, and after about 15-30 days, soil is pushed aside with hand, and industrial crops can be transplanted by having white hypha to grow, will Harvested salt-tolerant plant is covered in industrial crops root layer, to ensure growing area B without exposed native face, after industrial crops are gathered in, After the growing area B salt-tolerant plants covered are fully dried, continue spray biological modification agent, plough after burying mix it is standby;
3) in the 2nd year autumn after enclosing and cultivating, by the salt tolerant crop in the A of region, all standby, preparation plantation second is dried in harvesting Stubble industrial crops, in 20~30 DEG C of fair weathers, in region, A sprays biological modification agent, biological modification agent is ploughed after burying and mixed It is even standby, push soil aside with hand after about 15-30 days, industrial crops can be transplanted by having white hypha to grow, by harvested salt tolerant Vegetal cover is in industrial crops root layer, to ensure growing area without exposed native face.
The planting experiment has been carried out six groups of experiments by this experimental example, including comparative example and five groups of experimental examples, comparative example are exactly Directly carry out plantation tomato on soil, remaining five groups of experimental example is that embodiment is respectively adopted in the newly-ploughed beach saline-alkali in Dongtai 1~5 biological modification agent carries out improvement plantation in the newly-ploughed beach saline-alkali in Dongtai on soil;Wherein, comparative example is Jiangsu East Platform newly-ploughed beach saline-alkali ground soil, total salt quantity 15.60g/kg, pH 8.2.Experimental example 1~5 is in the newly-ploughed beach in Dongtai On the basis of alkaline land soil, soil improvement is carried out from the liquid biological modifying agent in embodiment 1-5, according to above-mentioned method Plantation tomato is carried out, wherein being using specific way the step of biological modification agent:In 20~30 DEG C of fair weathers, by liquid Biological modification agent is respectively according to 1:60、1:80、1:100、1:60、1:80 ratio fully mixes with 0-20cm topsoil soils, about 15-30 days, soil is pushed aside with hand, when having the white hypha to grow, ridge is done according to 80,100,120 and 180cm spacing respectively, on ridge Cultivated tomato, the weeds of ridge inter-drain covering 30-40cm thickness and crop material.
2 are see the table below using the detailed soil types and result of the test before and after biological modification agent of the present invention:
Table 2
As a result show, biological modification agent of the invention can increase soil fertility rapidly, with being effectively improved beach saline-alkali sand grains Content is high, the poor present situation of soil granular structure, increases the humus of soil, is advantageous to the formation of crumb structure, and subtracts simultaneously Light topsoil accumulation of salt in the surface soil situation, promotes the growth of crop, can reduce soil total salt amount 38.5%, improves tomato yield more than 45.9%.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected The limitation of scope, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should manage Solution, can modify or equivalent substitution to technical scheme, without departing from technical solution of the present invention essence and Scope.

Claims (10)

1. a kind of biological modification agent on beach saline-alkali ground, it is characterised in that the biological modification agent includes following in parts by weight Component:1 ~ 2 part of mud powder, 0.25 ~ 2 part of biological powdered carbon, powdered rice hulls 0.1-1 parts, 4 ~ 15 parts of water, the microbial inoculum of high salt tolerant 0.5 ~ 1 part.
2. the biological modification agent on beach saline-alkali ground according to claim 1, it is characterised in that the biological modification agent is also wrapped Include 0.7 ~ 1.5 part of breeding wastewater.
3. the biological modification agent on beach saline-alkali ground according to claim 1, it is characterised in that the mud powder is derived from river Mud after stream, lake dredging up, obtained by being dehydrated, air-drying, crushing and crossing 1mm sieve series.
4. the biological modification agent on beach saline-alkali ground according to claim 2, it is characterised in that the breeding wastewater is cultivation Swine manure wastewater, is diluted to that certain multiple is standby after filtering, NH in the sewage after dilution3 N content is between 60~500 mg/L。
5. the biological modification agent on beach saline-alkali ground according to claim 1, it is characterised in that the microorganism of the high salt tolerant Bacterium solution is added to molasses, water, Ca (OH) by EM engineering bacterias2Solution, Mg (OH)2The bacterium solution obtained after being fermented in solution.
6. the preparation method of the biological modification agent on the beach saline-alkali ground described in any one of claim 1 ~ 5, it is characterised in that including Following steps:
1)Weigh 1 ~ 2 part of mud powder, 0.25 ~ 1 part of biological powdered carbon, powdered rice hulls 0.05-0.5 parts, and/or breeding wastewater 0.7 ~ 1.5 Part, 0.5 ~ 1 part of the microbial inoculum of 4 ~ 7.5 parts of water, high salt tolerant;
2)By the microbial inoculum of high salt tolerant, and/or breeding wastewater and water after 25~35 DEG C of anaerobic fermentations 7~10 days, add Mud powder, powdered rice hulls, biological powdered carbon, first anaerobic fermentation 7-10 days under 180-230 r/min rotating speeds, then aerobic fermentation 5-7 days are Obtain the biological modification agent.
7. the biological modification agent on the beach saline-alkali ground described in any one of claim 1 ~ 5 is in terms of the biological modification on beach saline-alkali ground Application.
8. a kind of biological modification method on beach saline-alkali ground, it is characterised in that comprise the following steps:
1)In the 1st year winter after enclosing and cultivating, salt-tolerant plant is planted on the ground in beach saline-alkali;
2)In the 2nd year spring after enclosing and cultivating, first batch of industrial crops is planted, salt-tolerant plant, harvesting are gathered according to 80-200cm spacing Salt-tolerant plant afterwards dries standby, and not gather in region be A to mark salt-tolerant plant, and preparation is replanted to the region of industrial crops after harvesting Labeled as growing area B, in 20~30 DEG C of fair weathers, the biological modification agent described in any one of claim 1 ~ 5 is sprayed in plantation On area B, biological modification agent is ploughed into growing area B, after 15-30 days, soil is pushed aside with hand, having white hypha to grow can transplant Industrial crops, harvested salt-tolerant plant is covered in industrial crops root layer, to ensure that growing area B without exposed native face, treats economy After crop harvesting, after the growing area B salt-tolerant plants covered are fully dried, continue to spray biological modification agent, plough after burying and mix It is even standby;
3)In the 2nd year autumn after enclosing and cultivating, by the salt tolerant crop in the A of region, all standby, second batch of warp of preparation plantation is dried in harvesting Help crop, in 20~30 DEG C of fair weathers, in region, A sprays biological modification agent, biological modification agent is ploughed after burying mix it is standby With pushing soil aside with hand after 15-30 days, industrial crops can be transplanted by having white hypha to grow, and harvested salt-tolerant plant is covered Cover in industrial crops root layer, to ensure growing area without exposed native face.
A kind of 9. biological modification method on beach saline-alkali ground according to claim 8, it is characterised in that the salt-tolerant plant For the one or more in sudangrass, clover.
A kind of 10. biological modification method on beach saline-alkali ground according to claim 8, it is characterised in that the economic work Thing is tomato or other industrial crops.
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CN109821866A (en) * 2019-01-16 2019-05-31 安徽工程大学 Repair structure and its restorative procedure in salt-soda soil based on river bottom mud resource utilization
CN110615713A (en) * 2019-09-29 2019-12-27 河海大学 Carbon-based microbial organic fertilizer and preparation method thereof
CN111903467A (en) * 2020-07-22 2020-11-10 中交疏浚技术装备国家工程研究中心有限公司 Process for improving marine silt for planting soil

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