CN108551794A - The method that powdery ridge reparation purifies paddy soil residual harmful substance - Google Patents
The method that powdery ridge reparation purifies paddy soil residual harmful substance Download PDFInfo
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- CN108551794A CN108551794A CN201810371888.8A CN201810371888A CN108551794A CN 108551794 A CN108551794 A CN 108551794A CN 201810371888 A CN201810371888 A CN 201810371888A CN 108551794 A CN108551794 A CN 108551794A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
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- Engineering & Computer Science (AREA)
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- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of methods that powdery ridge reparation purifies paddy soil residual harmful substance, are lengthened using powdery ridge machinery augers word order middle bit, form concavity bar ditch in farming rippers layer level in powdery ridge cultivating procedure;The square spade of soil, ditch cleaning during powdery ridge bury in ditch and put pvc pipe in powdery ridge machinery long root augers rear configuration cleaning ditch, covered plastic net above pipeline, the online coarse sand for being then covered with 3 ~ 5cm of a layer thickness is arranged in favor of being oozed to pipeline under harmful substance by pipeline outside;In the field management process of rice field, carry out Deep irrigation early period, middle and later periods alternation of wetting and drying, allow the wet principle that rises of soil drying shrinkage, under the action of rainwater and irrigation water, harmful substance in soil permeates sinking down by the upper end of arable layer, and by the clearance space of new plough sole and arable layer, allow soil harmful substance in water flowing to pre-buried pvc pipe, achieving the purpose that repair purification soil.
Description
Technical field
The present invention relates to paddy soils to repair field of purification, and specially a kind of powdery ridge reparation purifies paddy soil residual harmful
The method of substance.
Background technology
Rice field is due to being used for a long time chemical fertilizer, a large amount of uses of especially nitrogenous Chloride fertilizer so that paddy rice field soil
Earth environmental degradation.Meanwhile a large amount of, the frequent use of rice belt pesticide, the deterioration degree of water paddy soil is accelerated, is embodied
In the following aspects:1. the soil organism declines, rice field acid-base value is caused to be lacked of proper care.Being excessively used for fertilizer and pesticide, makes rice field
Soil richness salinization, Soil Microorganism group number and group's amount largely reduce, and bring soil permeability variation, soil hardening, glue
Body quantity is reduced, farming is not easy, fertilizer-preserving ability is greatly reduced, and some then makes soil acidity or alkalinity reaction imbalance.2. educating of soil shallow
Phenomenon is aggravated, and oxidation-reduction potential declines, and noxious material increases.3. soil nutrient energy imbalance constantly aggravates.Soil is secondary
Raw gleying, there are green interlayer, permeability is poor;Or curing degree is low, fertility is poor, lacks nutrition;It is unfavorable for pricking under seedlings of cereal crops root system, or
Acid-base value is higher, destroys soil texture, is unfavorable for paddy growth etc..4. mine poison type contamination hazard.In rice field be enriched with various metals,
Nonmetallic noxious material and chemical pollutant cause to poison to rice, lead to Severe Reduction also and can cause grain heavy metal and
Harmful substance it is exceeded, be detrimental to health.Rice is due to a large amount of uses of chemical fertilizer, pesticide, soil deterioration face at present
Product is increasing, and there is no rational administering method, we are it has to be observed that its seriousness and harmfulness.
Inventor Guangxi academy of agricultural sciences' institute of economic crops researcher Wei Benhui has been devoted to high yield, retains and conserve soil moisture, water
The research of native Maintaining cultivation method, the powdery ridge cultivation technique of his invention, which has, significantly efficiently utilizes moisture, nutrient, photo-thermal etc. certainly
The feature of right resource, obvious effect of increasing production is a kind of modern agriculture model of innovation, and moreover, Wei Benhui researcher also carries
Go out:" powder Ridge incremental effect theory " and " with root for this ", " the nutrition equilibrium that the natural resources increment such as soil, moisture, luminous energy utilizes
The crops Efficient Cultivation new theory such as supply ", " the deeply imperial cold strong reserve strength of drought of root ", presides over powdery ridge agro-farming new method research, autonomous to invent
Powdery ridge agro-farming new method, in Liaoning, Gansu, Hunan etc., 8 provinces increase production 10 ~ 30% on 13 kinds of crops using than conventional tillage, quilt
The expert appraisals such as academician are provincial achievement and regard as originality.Inventor also sends out in the Promotion practice to powder Ridge tillage
It is existing, using powdery ridge machinery and powder Ridge tillage, the residuals such as chemical fertilizer, pesticide are excessively applied to rice field for a long time in the soil
Harmful substance such as cadmium, chromium, mercury and other chemical substances achieve the purpose that repair purification soil.It can be effectively improved by powdery ridge
Soil environment improves crop yield and ensures that grain security, economy are all good with ecological benefits.
In terms of powdery ridge technology farming, Wei Ben brightness research institute has applied for many patents and has delivered many documents, such as specially
Sharp grant number is:CN104255105B, title:Saline powder ridge light salt yield farming methods, abstract:The invention discloses one kind
Saline powder ridge light salt yield farming methods, step are:Powdery ridge operation is carried out before ice and snow or before rainy season in winter;It is divided into whole field powder
Ridge and growing pinkish ridge two ways, whole field powder ridge 25 ~ 30cm of tilth, 30 ~ 40cm of growing pinkish ridge tilth;And match
Build vertical drainage ditch jointly;Fertilising;The measures such as crop-planting management effectively improve the problem of salt-soda soil is unfavorable for plant growth, together
When, for the method for the present invention to realizing that soil environment further conversion has very great help, before having overturned completely by chemical method and
Biological control measure or even the operating concept of soil removal and replacement, for Chinese 400,000,000 mu of salt-soda soils, promotional value is big, it is seen that the powdery ridge farming
Method possesses not expected development prospect.The above invention has good improved effect for slight alkaline land improvement, but right
Correctional effect in heavy salinized ground is unsatisfactory, and comprehensive analysis is potentially based on following reason:(1) heavy salinized ground soil salt
Divide content high, when powdery ridge tilth is 25 ~ 40cm, still there is more salinity to be accumulated in powdery ridge layer or less, it is difficult to by salt
Divide and move up, causes to be difficult to decrease salinity;(2)Gutter or canal are built at powdery ridge layer edge, " can wash " and walk part salinity, but powdery ridge
Layer bottom most of salinity still can not effectively be excluded with water, this be also heavy salinizedly it is different from slight alkaline land it
Place.Therefore, above powder Ridge farming methods are difficult to carry out effective salt discharge lixiviating to severe salt-soda soil.
Invention content
The purpose of the present invention is being directed to current rice field long-time service chemical fertilizer, pesticide causes soil harmful substance to be enriched with year by year,
Soil environment deteriorates, and the problem of there is no effective administering method, provides a kind of powdery ridge reparation purification paddy soil residual harmful object
The method of matter improves powdery ridge method, reaches quick reparation in combination with later stage field management by improveing existing powdery ridge machinery
Paddy soil is purified, and crop yield can be improved and ensure the final effect of grain security.
The technical proposal of the invention is realized in this way:
The method that powdery ridge reparation purifies paddy soil residual harmful substance, includes the following steps:
(1)Among powdery ridge machinery augers word order, extended type drill bit is installed, and in the corresponding rear position of extended type drill bit
Add ditch cleaning square spade.
(2)Powdery ridge 35 ~ 40cm of depth makes to form concavity bar ditch in agric level, the long root augers of powdery ridge machinery
The square spade of soil, ditch cleaning during powdery ridge in rear configuration cleaning ditch.
(3)The pvc pipe for putting tube wall belt hole is buried in ditch, and the plastic wire of one layer of 80 ~ 120 mesh is added above pipeline, is spread on the net
One layer of coarse sand is arranged in favor of being oozed to pipeline under harmful substance by pipeline outside.
(4)In the field management process of rice field, Deep irrigation early period, middle and later periods alternation of wetting and drying are carried out, in rainwater and irrigation
Under the action of water, the harmful substance in soil permeates sinking down by the upper end of arable layer, using the wet principle that rises of soil drying shrinkage, and
By the clearance space of new plough sole and arable layer, soil harmful substance is allowed in water flowing to pre-buried pvc pipe, to reach
The purpose of paddy soil is repaired in purification.
Preferably, step(1)The extended type drill bit installs 1 or 2, and 15 ~ 25cm is lengthened according to blowdown demand.
Preferably, step(3)The tube wall aperture of the pvc pipe is 10 ~ 20 mm, 100 ~ 160 mm of diameter;It is online to spread slightly
The thickness of sand is 3 ~ 5cm.
Beneficial effects of the present invention are:
(1)The method of powdery ridge reparation purification paddy soil residual harmful substance of the present invention, is repaired net using the physics methods of cultivation
Change paddy soil, it is safe efficient, thorough, be different from traditional soil improvement method, such as using soil conditioner even crop rotation,
Between make etc. modes.Paddy soil improvement is a systematic engineering of business, and not work(overnight can be completed.Inventor passes through to powder
Ridge method constantly improve, is laid with discharge line in rice field, and using the wet principle that rises of the drying shrinkage of soil in the final-period management of rice field,
By the harmful substance in paddy soil from soil permeability to pipeline in, this is equivalent to establishes one small-sized " toxin expelling " in rice field
Factory allows it with self-repairing capability, is the method that an intelligence repairs purification soil.
(2)The method of powdery ridge reparation purification paddy soil residual harmful substance of the present invention is lengthened by the way that powdery ridge equipment is transformed
Drill bit adds ditch cleaning square spade, is laid with PVC pipeline and plastic wire, and the integrated approach of later stage paddy field moisture management is repaired only to reach
Change paddy soil purpose.This method is simple, easy to operate, at low cost, is suitble to that fertilizer and pesticide is being used for a long time, serious soil is caused to dislike
It is widely applied in the rice field of change.
(3)The method of powdery ridge reparation purification paddy soil residual harmful substance of the present invention, can make water paddy soil rapid
It is repaired, soil permeability increases, and microorganism species increase, and water-retention fertilizer ability enhancing, utilization rate of fertilizer is improved, can be improved
Crop yield and the final effect for ensureing grain security.It can improve rice terrace aquatic environment simultaneously, can breed fish after 1 year foster
The aquatic animals such as shrimp, the following chemical fertilizer advocated country, pesticide zero growth rate strategy have immeasurable value and significance.
Specific implementation mode
Embodiment 1:
In June, 2015, in Hubei Jing Zhou small towns, the method for the present invention is implemented in the plot of one long-term rice cultivation.Through understanding, the water
Rice field block has more than 20 years rice cultivation history, and the fertilizer used throughout the year is high nitrogen chlorine base fertilizer, since this area's weather moistens, disease
Insect pest occurs seriously, throughout the year to prevent striped rice borer, rice leaf roller and planthopper etc., reachable using pesticide expense every year
More than 2000 yuan per acre.After measured, the paddy soil is hardened serious, and soil Microflora is few, and poisonous metal severely exceeds.Invention
The scheme that people implements following steps is transformed the plot:
(1)Among powdery ridge machinery augers word order, extended type drill bit is installed, extended type drill bit installs 1 or 2, root
15 ~ 25cm is lengthened according to blowdown demand.And add ditch cleaning square spade in the corresponding rear position of extended type drill bit.
(2)Powdery ridge 35 ~ 40cm of depth makes to form concavity bar ditch in agric level, the long root augers of powdery ridge machinery
The square spade of soil, ditch cleaning during powdery ridge in rear configuration cleaning ditch.
(3)The pvc pipe for putting 10 ~ 20mm of tube wall belt hole aperture, 100 ~ 160mm of diameter is buried in ditch, adds one layer above pipeline
The coarse sand of the plastic wire of 80 ~ 120 mesh, 3 ~ 5cm of online layer overlay thickness passes through in favor of being oozed to pipeline under harmful substance
Pipeline and arrange outside.
(4)In the field management process of rice field, Deep irrigation early period, middle and later periods alternation of wetting and drying are carried out, in rainwater and irrigation
Under the action of water, the harmful substance in soil permeates sinking down by the upper end of arable layer, using the wet principle that rises of soil drying shrinkage, and
By the clearance space of new plough sole and arable layer, soil harmful substance is allowed in water flowing to pre-buried pvc pipe, to reach
The purpose of paddy soil is repaired in purification.
Implement above method after, to the plot, soil root system is determined, and carried out 2 years data test and with
Track:
Data show that soil harmful substance is substantially reduced after the method for the present invention powdery ridge reparation purifies paddy soil, gradually extremely
Normal level, meanwhile, the PH of soil gradually restores normally, and active bacteria quantity improves year by year, the content of organic matter there has also been increase,
Soil vitality increases.Also, it can be seen that by rice cultivation survey production data apparent relative to rice yield before transformation after being transformed
It improves.
Embodiment 2:
The method of the present invention is also carried out large-scale demonstration popularization by inventor on Guangxi, Guangdong, Fujian, Hainan, Yunnan and other places, is taken
Obtained good reclamation result.Harmful substance cadmium, arsenic, lead, mercury in soil can be reduced to normal water in two years
Flat, the content of organic matter can be improved after 1 year to that can improve to 8 ~ 15% after 5 ~ 9%, two years, and soil number of viable also carries significantly
Height, rice per mu yield is average in 553.6 ~ 703.6kg, basically reaches the yield in normal soil fertility plot.
Above example absolutely proves, powdery ridge reparation of the invention purifies paddy soil residual harmful substance method can be with
Chemical fertilizer, pesticide is used for a long time in the whole nation, has generated the plot application that soil fertility is insufficient, and harmful substance increases significantly,
This method is easy to implement, at low cost, and can improve crop yield and ensure the final effect of grain security, has greatly society
It can be worth and commercial value.
Claims (3)
1. the method that powdery ridge reparation purifies paddy soil residual harmful substance, it is characterised in that:Include the following steps:
(1)Among powdery ridge machinery augers word order, extended type drill bit is installed, and in the corresponding rear position of extended type drill bit
Add ditch cleaning square spade;
(2)Powdery ridge 35 ~ 40cm of depth makes to form concavity bar ditch in agric level, powdery ridge machinery long root augers rear
The square spade of soil, ditch cleaning during powdery ridge in configuration cleaning ditch;
(3)The pvc pipe for putting tube wall belt hole is buried in ditch, and the plastic wire of one layer of 80 ~ 120 mesh, online layer overlay are added above pipeline
Coarse sand is arranged in favor of being oozed to pipeline under harmful substance by pipeline outside;
(4)In the field management process of rice field, Deep irrigation early period, middle and later periods alternation of wetting and drying are carried out, in rainwater and irrigation water
Under effect, harmful substance in soil permeates sinking down by the upper end of arable layer, and passes through new plough sole and arable layer
Clearance space allows soil harmful substance in water flowing to pre-buried pvc pipe, paddy soil is repaired to achieve the purpose that purify.
2. the method for powdery ridge reparation purification paddy soil residual harmful substance according to claim 1, it is characterised in that:Step
(1)The extended type drill bit installs 1 or 2, and 15 ~ 25cm is lengthened according to blowdown demand.
3. the method for powdery ridge reparation purification paddy soil residual harmful substance according to claim 1, it is characterised in that:Step
(3)The tube wall aperture of the pvc pipe is 10 ~ 20 mm, 100 ~ 160 mm of diameter;On plastic wire the thickness of spread coarse sand be 3 ~
5cm。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104541641A (en) * | 2014-12-31 | 2015-04-29 | 广西壮族自治区农业科学院经济作物研究所 | Method of thinning, eliminating soil salt and increasing yield by arranging crushed ridge bind drain system |
CN104756731A (en) * | 2015-04-17 | 2015-07-08 | 广西壮族自治区农业科学院经济作物研究所 | Rice powder ridge dry soil seedling arranging ecological cultivation method |
CN205865008U (en) * | 2016-07-29 | 2017-01-11 | 山东胜伟园林科技有限公司 | Integral type saline and alkaline land hidden pipe |
CN107027369A (en) * | 2017-05-31 | 2017-08-11 | 山东省果树研究所 | Return salt-soda soil control system and its method in a kind of greenhouse |
-
2018
- 2018-04-24 CN CN201810371888.8A patent/CN108551794A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104541641A (en) * | 2014-12-31 | 2015-04-29 | 广西壮族自治区农业科学院经济作物研究所 | Method of thinning, eliminating soil salt and increasing yield by arranging crushed ridge bind drain system |
CN104756731A (en) * | 2015-04-17 | 2015-07-08 | 广西壮族自治区农业科学院经济作物研究所 | Rice powder ridge dry soil seedling arranging ecological cultivation method |
CN205865008U (en) * | 2016-07-29 | 2017-01-11 | 山东胜伟园林科技有限公司 | Integral type saline and alkaline land hidden pipe |
CN107027369A (en) * | 2017-05-31 | 2017-08-11 | 山东省果树研究所 | Return salt-soda soil control system and its method in a kind of greenhouse |
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Application publication date: 20180921 |