CN107615933A - A kind of method for improving agricultural land soil organic matter content - Google Patents
A kind of method for improving agricultural land soil organic matter content Download PDFInfo
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- CN107615933A CN107615933A CN201710811752.XA CN201710811752A CN107615933A CN 107615933 A CN107615933 A CN 107615933A CN 201710811752 A CN201710811752 A CN 201710811752A CN 107615933 A CN107615933 A CN 107615933A
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- marine sediment
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The invention discloses a kind of method for improving agricultural land soil organic matter content, including：The marine sediment of collection is positioned in the pond of hole and with fresh water leaching, up to the salt content of marine sediment meets preparatory condition；Judge in marine sediment, whether unit organic content is higher than unit organic content in farmland tillaging layer soil；If so, then marine sediment is processed, to be applied in agricultural land soil topsoil；Marine sediment after processing is uniformly mixed into administration with farmland tillaging layer soil.The present invention takes necessary salinity in the marine sediment utilization of resources and removes measure, discarded marine resources can be utilized and soil quality and crop will not be had a negative impact.
Description
Technical field
The present invention relates to soil organic matter content renovation technique field, and agricultural land soil organic matter is improved more particularly to one kind
The method of content.
Background technology
An important factor for agricultural land soil organic matter is maintenance of soil fertility and agricultural productive force.Organic matter not only contains plant
Various nutrients required for growth, soil nutrient circulation, microbial activities and retain water and nutrients ability are influenceed, while can also subtracted
Negative effect caused by light and heavy metals, pollution by pesticides etc..The soil organism is the storehouse of farmland nutrient, and it can be by soil
Slow decomposition under microbial action is made for thing to soil Releasing nutrient and absorbed, therefore the height of soil organic matter content is
Evaluate the key factor of soil quality.Investigation finds that China's agricultural land soil organic matter content is generally relatively low, generally lies in 10-
20g/kg scopes, in order to increase crop yield, peasant usually requires to apply a large amount of inorganic fertilizer, and this aspect causes agricultural product
Poor quality and serious environmental pollution, on the other hand also exacerbate the catagen speed of soil quality.
China part marine ecosystems deposit has the higher content of organic matter, such as coastal waters bay aquaculture area
And Hekou District being had a great influence by human being's production life etc..By taking offshore culture zone as an example, seawater breeds fish the feed fed by fish
The part that assimilation is used for fish body growth is typically less than 30%, and the overwhelming majority is in the form of residual feed and excreta and metabolic waste etc.
Into marine environment, the larger part for being not easy to spread in water body of proportion sinks and is enriched in basic sediment.If things go on like this,
The marine sediment content of organic matter gradually rises, and the gradual blackening of deposit simultaneously starts to discharge peculiar smell, and depositional environment aggravates, will
Endanger cultured fishes and benthic normal growth.In such a case, it is possible to high organic is enriched with using mechanical means
Deposit remove, to improve breeding environment, but the accumulation of this Parts of deposits is placed, and can cause abnormal precious offshore ring again
The pollution in border and the waste of coastal space resources.
Although this part marine sediment contains the higher content of organic matter, it cannot be directly used to improve farmland soil
Earth, because it contains higher salinity.It is directly such as applied into farmland, the salination of anthropogenic soil can be caused, the lighter can influence
The normal growth of crop, when serious crop Large Scale Death, farmland may be caused to discard.If by the ocean of high organic content
Most of salinity in deposit removes, and it is not had a negative impact to soil quality and crop, and it is as improvement farmland
The material of soil will be safe and reliable, and this is respectively provided with for discarding the utilization of marine resources and the lifting of agricultural land soil organic matter
Significance.
Therefore, how a kind of method for improving agricultural land soil organic matter content is provided, discarded marine resources can be entered
Row utilizes and soil quality and crop will not be had a negative impact, and is that the technology that those skilled in the art need to solve at present is asked
Topic.
The content of the invention
It is an object of the invention to provide a kind of method for improving agricultural land soil organic matter content, high organic content is utilized
Marine sediment lifts agricultural land soil organic matter content, strong operability and soil quality and crop will not be had a negative impact.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of method for improving agricultural land soil organic matter content, including：
The marine sediment of collection is positioned in the pond of hole and with fresh water leaching, up to the salt content of marine sediment meets
Preparatory condition；Judge in marine sediment, whether unit organic content is higher than unit organic content in farmland tillaging layer soil；If
It is then to be processed marine sediment, to be applied in agricultural land soil topsoil；By the marine sediment after processing and farmland
Topsoil soils uniformly mix administration.
Preferably, excavating hole pond includes：Excavated diameter is 10m, depth 0.5m on the sandbank away from high-water mark 50m
Hole pond, for placing the marine sediment of the collection.
Preferably, after hole pond is excavated, including：Marine sediment is positioned in the pond of hole, thickness 0.45m,
River fresh water is introduced in the space that the thickness reserved into hole pond is 0.05m, leaching is carried out to the marine sediment of collection.
Preferably, the marine sediment is processed, to be applied in agricultural land soil topsoil, including：By ocean
Deposit is crushed to suitable size and shape after being dried, to be applied in agricultural land soil topsoil.
Preferably, marine sediment is processed, to be applied in agricultural land soil topsoil, including：By oceanographic sedimentation
Thing carries out heating, drying and is crushed to suitable size and shape, to be applied in agricultural land soil topsoil.
Preferably, excavating hole pond includes：Connected in underground water with seawater and hydraulic gradient excavates hole to the inshore region in sea
Pond, so that the brackish water after leaching eventually flows to ocean.
Compared with prior art, above-mentioned technical proposal has advantages below：
A kind of method for improving agricultural land soil organic matter content provided by the present invention, because marine sediment is from sea
Bottom, usually contain higher salinity after collection disembarkation, such as use fresh water shower, leaching water can due to the dissolving of salinity in deposit and
Saliferous, if mishandling can cause serious secondary pollution.In inshore region, processing contains salt deposit to the present invention, and leaching water can
It is directly discharged into ocean or filters the processing for into saline groundwater storehouse, avoiding follow-up brine waste, that is, save production cost, increases method again
Operability.The marine sediment that the area such as bay, navigation channel, river mouth is salvaged, can not such as deal carefully with and be subject to recycling,
Littoral area landscape is influenceed, takes valuable strand space resources again.It is contemplated that to its recycling, not only favorably
In improvement coastal region ecological environment, save offshore land resource, moreover it is possible to improve arable soil quality, save fertilizers input, be
The method killed two birds with one stone.The present invention takes necessary salinity in the marine sediment utilization of resources and removes measure, will not cause
The salination problem in arable land.This method is taken to improve soil quality, with applying a number of organic fertilizer or straw-returning effect
Quite, than crop rotation, plantation legume the methods of, is quick, effect is good, cost is low, saves farming season.
Therefore, the present invention lifts agricultural land soil organic matter content, operability using the marine sediment of high organic content
By force and soil quality and crop will not be had a negative impact.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
A kind of method stream for raising agricultural land soil organic matter content that Fig. 1 is provided for a kind of embodiment of the present invention
Cheng Tu.
Embodiment
The core of the present invention is to provide a kind of method for improving agricultural land soil organic matter content.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in detail.
Detail is elaborated in the following description in order to fully understand the present invention.But the present invention can with it is a variety of not
Other manner described here is same as to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited to the specific embodiments disclosed below.
Fig. 1 is refer to, Fig. 1 contains for a kind of agricultural land soil organic matter that improves that a kind of embodiment of the present invention is provided
The method flow diagram of amount.
A kind of embodiment of the present invention provides a kind of method for improving agricultural land soil organic matter content, including：
S11：The marine sediment of collection is positioned in the pond of hole and with fresh water leaching, up to the salt content of marine sediment
Meet preparatory condition.
Because marine sediment comes from seabed, higher salinity is usually contained after collection disembarkation, if directly by the sea of collection
Foreign deposit is administered in arable land after crushing, and is likely to result in the salination of arable soil；The present invention is in marine sediment resource
Necessary salinity is taken during utilization and removes measure, the salination problem in arable land will not be caused.
S12：Judge in marine sediment, whether unit organic content is higher than unit organic content in farmland tillaging layer soil.
The content of organic matter in low organic soil could only be increased with the high material containing organic matter.Therefore, dry, powder
The content of organic matter of marine sediment after broken has to the content of organic matter higher than topsoil soils, even if after otherwise applying processing
Marine sediment, raising agricultural land soil organic matter content can not be played.
S13：If so, then marine sediment is processed, to be applied in agricultural land soil topsoil.
If the content of organic matter of marine sediment is higher than the content of organic matter of arable soil, marine sediment can be entered
Row is applied, but the shape of the marine sediment gathered is probably significantly block waits, it is necessary to carry out being crushed to suitable shape to it
The processing of shape, size, so as to which by the marine sediment after processing and when being applied in arable land, effect can be fully played.
S14：Marine sediment after processing is uniformly mixed into administration with farmland tillaging layer soil.
Marine sediment is completed using manpower, animal power or agricultural machinery power to mix with the uniform of farmland tillaging layer soil, makes to apply
Arable soil in the range of can sufficiently and uniformly utilize the organic matter in marine sediment after processing, be improved with reaching
The purpose of the arable soil content of organic matter.
The present invention takes necessary salinity in the marine sediment utilization of resources and removes measure, will not cause the salt in arable land
Stain problem.This method is taken to improve soil quality, it is suitable with applying a number of organic fertilizer or straw-returning effect, than wheel
The methods of work, plantation legume, is quick, effect is good, cost is low, saves farming season.
In a kind of embodiment provided by the present invention, step S11：The marine sediment of collection is positioned in the pond of hole simultaneously
With fresh water leaching, until the salt content of marine sediment meets preparatory condition, hole pond includes：
Excavated diameter is 10m on the sandbank away from high-water mark 50m, and depth is 0.5m hole pond, described for placing
The marine sediment of collection.
Select this condition is to the benefit excavated of hole pond, in the position soil texture compared with sand, saliferous that leaching is got off
Water can permeate rapidly, increase processing speed；Meanwhile the brackish water that leaching is got off eventually flows to ocean, so as to avoid under leaching
The brackish water come pollutes to fresh groundwater.
, also can be in the feelings of conditions permit above for cheating a kind of preferred embodiment of the condition excavated in pond as the present invention
Carried out under condition it is other kinds of hole pond excavate or build, the present invention for hole pond excavate, build etc. condition do not limit.
In a kind of embodiment provided by the present invention, step S11：The marine sediment of collection is positioned in the pond of hole simultaneously
With fresh water leaching, until the salt content of marine sediment meets preparatory condition, carrying out leaching to marine sediment can include：
Marine sediment is positioned in the pond of hole, thickness 0.45m, the space that the thickness reserved into hole pond is 0.05m
Middle introducing river fresh water, leaching is carried out to the marine sediment of collection.
After the above-mentioned excavation for having completed hole pond, marine sediment is inserted into hole pond and carries out leaching, reduction ocean sinks
The salt content of product thing.
The condition for inserting marine sediment progress leaching in pond is cheated above is a kind of preferred embodiment of the present invention, its
His condition may also obtain preferable leaching effect, and the present invention does not limit for the condition of leaching.
In a kind of embodiment provided by the present invention, S13：If the content of organic matter of marine sediment is more than arable soil
The content of organic matter, then marine sediment is processed, to be applied in agricultural land soil topsoil, can included：
Suitable size and shape are crushed to after marine sediment is dried, to be applied in agricultural land soil topsoil.
In a kind of embodiment provided by the present invention, S13：If the content of organic matter of marine sediment is more than arable soil
The content of organic matter, then marine sediment is processed, to be applied in agricultural land soil topsoil, can included：By ocean
Deposit carries out heating, drying and is crushed to suitable size and shape, to be applied in agricultural land soil topsoil.
To realize extensive or industrialized production, marine sediment dried only by solar radiation be can not
Meet demand, it is therefore desirable to increase yield, such as the operation crushed while heating, drying using certain equipment,
It can effectively save the time, increase yield.
There is part organic matter to lose unavoidably during marine sediment is dried, crushed, cause the content of organic matter to decline,
After the marine sediment of collection is dried, crushed, the detection of the content of organic matter can also be carried out to it again, in order to avoid after processing
The marine sediment content of organic matter does not reach condition.
In a kind of embodiment provided by the present invention, step S11：The marine sediment of collection is positioned in the pond of hole simultaneously
With fresh water leaching, until the salt content of marine sediment meets preparatory condition, hole pond includes：
Connected in underground water with seawater and hydraulic gradient excavates hole pond to the inshore region in sea, so as to the brackish water after leaching
Eventually flow to ocean.
Because marine sediment comes from seabed, higher salinity is usually contained after collection disembarkation, such as uses fresh water shower, leaching
Water can due to the dissolving of salinity in deposit saliferous, if mishandling can cause serious secondary pollution.The present invention is near
The processing of bank area contains salt deposit, and leaching water can be directly discharged into ocean or filter into saline groundwater storehouse, avoid follow-up brine waste
Processing, that is, save production cost, increases the operability of method again.
To help to understand the solution of the present invention, the present invention will be described for citing below：
The hole pond that diameter a 10m, deep 0.5m are excavated on the sandbank away from high-water mark 50m is used to handle oceanographic sedimentation
Thing.Selection this area's reason has two, one is its soil texture, compared with sand, the brackish water that leaching is got off can permeate rapidly, at increase
Manage speed；On the other hand it is that the brackish water that leaching is got off is most because this area's underground water is connected with seawater and hydraulic gradient is to sea
Ocean is flowed to eventually, will not pollute fresh groundwater.
The marine sediment salt content of collection is per gram of dry matter 13g, and the content of organic matter is per gram of dry matter 64g.
Deposit is inserted in the pond of hole, thickness 0.45m, reserved 0.05m spaces are used to carry leaching fresh water.Then river is introduced, makes it
Constantly dissolve and take away the salinity in deposit, the speed and the speed of its leaching that river introduces are basically identical.When deposit contains
When salt amount reaches every gram of dry matter 4g, stop introducing river, and make it dry in the sun and crush.Now deposit is organic
Matter content is per gram of dry matter 52g, less than the content of organic matter before leaching, because having part dissolved organic matter with salinity
Leaching loss together.
Farmland tillaging layer soil organic matter content to be improved is 18.4g/kg.Obtained deposit is evenly spread into 1 mu to plough
Surface layer, and mixed soil with rotary cultivator, rotary tillage depth 20cm.Hereafter measure more than 20cm soil organic matter contents are
27.2g/kg, than improving 8.8g/kg before improvement, the ratio that improves is 47.8%.
In summary, a kind of side for improving agricultural land soil organic matter content provided by the present invention
Method, because marine sediment comes from seabed, higher salinity is usually contained after collection disembarkation, such as uses fresh water shower, leaching water meeting
The saliferous due to the dissolving of salinity in deposit, if mishandling can cause serious secondary pollution.The present invention is in offshore
Area's processing contains salt deposit, and leaching water can be directly discharged into ocean or filter the processing for into saline groundwater storehouse, avoiding follow-up brine waste,
Production cost is saved, increases the operability of method again.The marine sediment that the area such as bay, navigation channel, river mouth is salvaged, if not
It can deal carefully with and be subject to recycling, that is, influence littoral area landscape, take valuable strand space resources again.Purport of the present invention
To its recycling, not only contribute to improve coastal region ecological environment, save offshore land resource, moreover it is possible to improve arable land
Soil quality, fertilizers input is saved, is the method killed two birds with one stone.The present invention takes necessity in the marine sediment utilization of resources
Salinity remove measure, the salination problem in arable land will not be caused.This method is taken to improve soil quality, and using certain amount
Organic fertilizer or straw-returning effect it is suitable.
A kind of method for improving agricultural land soil organic matter content provided by the present invention is described in detail above.This
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls
Enter in the protection domain of the claims in the present invention.
Claims (6)
- A kind of 1. method for improving agricultural land soil organic matter content, it is characterised in that including：The marine sediment of collection is positioned in the pond of hole and with fresh water leaching, up to the salt content of the marine sediment meets Preparatory condition；Judge in the marine sediment, whether unit organic content is higher than unit organic content in farmland tillaging layer soil；If so, then the marine sediment is processed, to be applied in agricultural land soil topsoil；Marine sediment after the processing is uniformly mixed into administration with farmland tillaging layer soil.
- 2. according to the method for claim 1, it is characterised in that excavating the hole pond includes：Excavated diameter is 10m on the sandbank away from high-water mark 50m, and depth is 0.5m hole pond, for placing the collection Marine sediment.
- 3. according to the method for claim 2, it is characterised in that after the hole pond is excavated, in addition to：The marine sediment is positioned in the hole pond, thickness 0.45m, the thickness reserved into the hole pond is River fresh water is introduced in 0.05m space, leaching is carried out to the marine sediment of collection.
- 4. according to the method for claim 1, it is characterised in that it is described to be processed the marine sediment, so as to Applied in agricultural land soil topsoil, including：Default size and shape are crushed to after the marine sediment is dried, to be applied in agricultural land soil topsoil.
- 5. according to the method for claim 4, it is characterised in that be processed the marine sediment, so as in farmland Applied in soil plough horizon, including：The marine sediment is subjected to heating, drying and is crushed to the default size and shape.
- 6. method according to claim 1 or 2, it is characterised in that excavating the hole pond includes：Connected in underground water with seawater and hydraulic gradient excavates hole pond to the inshore region in sea, so as to the saliferous current direction after leaching Ocean.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2199845C1 (en) * | 2001-10-15 | 2003-03-10 | Общество с ограниченной ответственностью "АгроНИР" | Potato growing method |
| CN1546435A (en) * | 2003-12-08 | 2004-11-17 | 南京农业大学 | Process for preparing halophyte organic fertilizer using marine culture sludge |
| CN101555171A (en) * | 2009-05-14 | 2009-10-14 | 许绪满 | Method for producing micro organic matters by marine culture sludge and sugar refinery filtration sludge |
| CN101774840A (en) * | 2010-01-28 | 2010-07-14 | 天津泰达园林建设有限公司 | Hydraulic filling sea mud culture substrate |
| CN102838388A (en) * | 2012-10-08 | 2012-12-26 | 农鑫高科（北京）科技开发有限公司 | Method for producing organic fertilizer by utilizing water body bottom mud |
| CN104318123A (en) * | 2014-11-07 | 2015-01-28 | 中国水产科学研究院黄海水产研究所 | Assessment method of contribution of shellfish biology deposition to offshore environment sediment organic carbon |
| CN105801293A (en) * | 2014-10-24 | 2016-07-27 | 岭南大学校产学协力团 | Preparing method of environmental fertilizer using sea mud |
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2017
- 2017-09-11 CN CN201710811752.XA patent/CN107615933A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2199845C1 (en) * | 2001-10-15 | 2003-03-10 | Общество с ограниченной ответственностью "АгроНИР" | Potato growing method |
| CN1546435A (en) * | 2003-12-08 | 2004-11-17 | 南京农业大学 | Process for preparing halophyte organic fertilizer using marine culture sludge |
| CN101555171A (en) * | 2009-05-14 | 2009-10-14 | 许绪满 | Method for producing micro organic matters by marine culture sludge and sugar refinery filtration sludge |
| CN101774840A (en) * | 2010-01-28 | 2010-07-14 | 天津泰达园林建设有限公司 | Hydraulic filling sea mud culture substrate |
| CN102838388A (en) * | 2012-10-08 | 2012-12-26 | 农鑫高科（北京）科技开发有限公司 | Method for producing organic fertilizer by utilizing water body bottom mud |
| CN105801293A (en) * | 2014-10-24 | 2016-07-27 | 岭南大学校产学协力团 | Preparing method of environmental fertilizer using sea mud |
| CN104318123A (en) * | 2014-11-07 | 2015-01-28 | 中国水产科学研究院黄海水产研究所 | Assessment method of contribution of shellfish biology deposition to offshore environment sediment organic carbon |
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Application publication date: 20180123 |