CN108947744A - Alleviate the conditioner of paddy soil acidification - Google Patents
Alleviate the conditioner of paddy soil acidification Download PDFInfo
- Publication number
- CN108947744A CN108947744A CN201811195071.6A CN201811195071A CN108947744A CN 108947744 A CN108947744 A CN 108947744A CN 201811195071 A CN201811195071 A CN 201811195071A CN 108947744 A CN108947744 A CN 108947744A
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- soil
- steel slag
- conditioner
- soil acidification
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to soil improving environment fields, and in particular to a kind of conditioner for alleviating paddy soil acidification.Alleviate the conditioner of paddy soil acidification, including steel slag, calcium carbonate mass content is not less than 14% not less than 28%, silica quality content in the steel slag.The conditioner provided by the invention for alleviating paddy soil acidification, addition is rich in the steel slag of calcium and magnesium silicon, soil aciditiy can be neutralized, improve pH, silicon, calcium that conditioner contains etc. can meet middle microelement required for paddy growth, also can increase soil acid-base cushion performance in conjunction with organic fertilizer, and addition nitrification inhibitor can reduce nitrogenous fertilizer rate of nitrification, reduce hydrogen ion yield, rice high yield stable yields can be not only kept with suitable method of administration, but also soil acidification can be effectively relieved.
Description
Technical field
The invention belongs to soil improving environment fields, and in particular to a kind of conditioner for alleviating paddy soil acidification.
Background technique
China is Rice Production big country, but rice soil shows acidification trend in recent years, and soil acidification not only results in
Content of organic matter decline, middle microelement validity reduce and fertility decline, and will lead to the rice underproduction, can also make in soil
Heavy metal activity improves, and generates toxic action to rice, and then be detrimental to health.Liming is traditional improvement acid soil
The measure of earth, but lime nutrient is single, long-term or a large amount of limings can cause soil hardening, even cause the rice underproduction.Institute
To need under the premise of guaranteeing rice high yield stable yields, some conditioners suitable for rice soil and method are developed to alleviate soil
Acidification.
Summary of the invention
To alleviate paddy soil acidification, the deficiency of traditional single liming prevention and treatment or improvement soil acidification is made up, the present invention mentions
For a kind of conditioner of alleviation paddy soil acidification, screening is suitble to the steel slag for doing soil conditioner dense by grinding refinement, nutrient
Contracting, activation, reducing processes and organic fertilizer, nitrification inhibitor etc. such as content of beary metal (reaching China's fertilizer production standard) is
Raw material, to reach the purpose that can be kept rice high yield stable yields for a long time and alleviate paddy soil acidification.By conditioner and change
Npk fertilizer is learned with certain proportion with applying, not only can guarantee nutrient supply early period, but also compensate for traditional fertilization mode later period nutrient
Insufficient shortcoming alleviates the purpose of paddy soil acidification so that reaching long-term guarantees rice high yield stable yields.
Specific technical solution are as follows:
Alleviate the conditioner of paddy soil acidification, including steel slag, calcium carbonate mass content is not less than in the steel slag
28%, silica quality content is not less than 14%.Steel slag dosage is 60 kgs/acre/year.
It further include organic fertilizer, steel slag and organic fertilizer quality ratio are 3:5.100 kgs/acre of the organic fertilizer；Steel slag is
60 kgs/acre/year, continuous 5 years or disposably all 540 kilograms of the applications of steel slag First Year.
It further include nitrification inhibitor, nitrification inhibitor and steel slag mass ratio are 3:4.Steel slag dosage be 60 kgs/acre/
Year, nitrification inhibitor dosage is 45 kgs/acre/year.
Screening is suitable as to the steel slag of soil conditioner raw material first, grinds refinement, nutrient is concentrated and activates, removal weight
Metal mixed well 20 meshes and 100 meshes.It is spread fertilizer over the fields conditioner as base manure in soil.
Silicon not only plays the role of volume increase to rice and improves rice quality, moreover it is possible to correct soil aciditiy, improve paddy rice anti contravariance
Property, reduce phosphorus fixation in the soil, organic fertilizer promoted to decompose.Calcium can supplement calcium content and pH in paddy field soil
Value and reduction soil reduction process substance total amount.Using silicon, calcium as the component part of fertilizer, nutrient can be both provided to soil, changed
Good soil, and, wherein the increase of effective silicon can also alleviate reduction-state iron, manganese influences, rice can be improved with diseases prevention, insect prevention and attenuation
Upgrowth situation improves rice itself and resists the ability of unfavorable growth conditions, to realize the purpose for improving rice yield.
Steel slag is the solid waste generated in steelmaking process, and a large amount of non-treated steel slags are arbitrarily accumulated, and is not only occupied big
Soil is measured, and brings environmental pollution, even more a kind of wasting of resources.Contain the member of nutrition required for a large amount of plant growths in steel slag
Element, such as calcium, silicon, iron, magnesium element；The dissolution of CaO and MgO, releases OH-1, soil aciditiy can be neutralized, improve soil pH；
Steel slag has biggish specific surface area and porosity simultaneously, can be by chemically or physically adsorbing Al and some huge sum of moneys in soil
Belong to element, reduces the activity for poisoning ion；So steel slag is excellent acid soil improving agent raw material, and steel slag biologically effective
Using environment can also be protected, the recycling of solid waste is realized.Organic fertilizer can increase base cation quantity in soil, subtract
Exchange alkalinity and exchangeable aluminum content in few soil, are effectively relieved soil acidification, and can increase soil acid-base cushion performance.Application
The use of chemical fertilizer can be not only reduced while organic fertilizer, moreover it is possible to play improvement soil, culture fertility, enhancing crop anti-adversity,
It improves rice yield and improves the effect of rice quality, and the organo-functional group of organic fertilizer can be strengthened to H+And Al3+Absorption,
To reduce H in the soil liquid+And Al3+Concentration and its toxic effect to crop root, the validity of heavy metal in soil
It can also be reduced with the raising of pH with migration.
Nitrification inhibitor can be by inhibiting the activity of nitrite bacteria effectively to delay NH4 +NO-N strong to mobility3 -- N's
Conversion reduces hydrogen ion yield, improves crop and nitrogen is absorbed and utilized, reduce the leaching loss of fertilizer nitrogen, improve fertilizer
Utilization rate.
The conditioner provided by the invention for alleviating paddy soil acidification, addition are rich in the steel slag or organic fertilizer of calcium and magnesium silicon, energy
Soil aciditiy is enough neutralized, pH is improved, silicon, calcium that conditioner contains etc. can meet middle microelement required for paddy growth,
Middle organic fertilizer also can increase soil acid-base cushion performance, addition nitrification inhibitor can reduce nitrogenous fertilizer rate of nitrification, reduce hydrogen from
Sub- yield can not only keep rice high yield stable yields with suitable method of administration, but also soil acidification can be effectively relieved.
Specific embodiment
It is described in conjunction with the embodiments the specific technical solution of the present invention.
In order to carry out the explanation of effect, the comparative example that the present embodiment is also set up.The dosage of each embodiment and comparative example are as follows:
Chemical nitrogen fertilizer and conditioner match:
CK, control of not applying fertilizer: it does not apply fertilizer；
T conventional fertilizer application control: 10 kgs/acre of N (nitrogen application urea is calculated by containing N 46%), P2O55 kgs/acre
(phosphate fertilizer calcium superphosphate, by containing P2O512% calculate), K28 kgs/acre of O (Potassium Fertilizer potassium chloride, by containing K2O 60%
It calculates)；
T1: 5 kilograms of 10 kilograms N/ mus of nitrogenous fertilizer, phosphate fertilizer P2O58 kilograms of/mu, potash fertilizer K2O/ mus, 60 kgs/acre of steel slag；
T2: 5 kilograms of 10 kilograms N/ mus of nitrogenous fertilizer, phosphate fertilizer P2O58 kilograms of/mu, potash fertilizer K2O/ mus, it is 60 kgs/acre of steel slag, organic
100 kgs/acre of fertilizer；
T3: the first two years apply 1.5 kilograms of P of phosphate fertilizer2O53.5 kilograms of/mu, potash fertilizer K2O/ mus, 45 kgs/acre of nitrification inhibitor；
5 kilograms of 3 years 10 kilograms N/ mus of applied nitrogens, phosphate fertilizer P afterwards2O58 kilograms of/mu, potash fertilizer K2O/ mus, 60 kgs/acre of steel slag；
T4: 5 kilograms of 10 kilograms N/ mus of nitrogenous fertilizer, phosphate fertilizer P2O58 kilograms of/mu, potash fertilizer K2O/ mus, it is primary before First Year kind late rice
Property apply 9 season 540 kgs/acre of steel slag of rice dosage.
Influence of the soil conditioner to rice yield is as shown in table 1.Compared with control not fertilizer treatment CK, at all fertilisings
Reason rice yield is all remarkably higher than CK, and increase rate is 17.34%~108.81% (P < 0.05, except second year T3 processing).
With conventional fertilizer application mode T-phase ratio, T1, T2, T4 handle rice yield and are higher than T or with T processing without significant difference, and T3 handles second year
It was substantially less than T with the 4th year, the 5th year without significant difference.As it can be seen that tri- kinds of fertilizer application modes of T1, T2, T4 are able to maintain stable high yield, T3
Mode in a short time can the underproduction, seen volume increase trend for a long time.
Influence (kg/ha) of the different conditioners of table 1 to rice yield
From table 2 it can be seen that the soil pH value of conventional fertilizer application mode T processing is aobvious compared with control not fertilizer treatment CK
Writing reduces, and reduction amplitude is 0.27~0.36 pH unit (P < 0.05), and other application conditioner processing are significantly increased, and improves
Amplitude is 0.14~0.55 pH unit (except P < 0.05, test second year T1, T3 and T4 processing in the 5th year).With conventional fertilizer application
Mode T processing is compared, and 4 application conditioner processing soil pH values are significantly increased, and increase rate is that 0.23~0.90 pH is mono-
Position (P < 0.05), test second year T2 and T4 processing soil pH increase rate is maximum, handles and improves width within the 4th year and the 5th year T3
Degree is maximum.As it can be seen that soil pH value can be significantly improved by applying 4 kinds of soil conditioners, in a short time T2 compared with conventional fertilizer application mode
It is best with T4, see that T3 mode effects are best for a long time.
Influence of the different conditioners of table 2 to soil pH value
Table 3 is shown, compared with CK processing of not applying fertilizer, conventional fertilizer application T processing soil exchangeable total acid content is dramatically increased, and is increased
Adding amplitude is 49.66%~78.41% (P < 0.05), and other application conditioner processing significantly reduce, and reduction amplitude is
30.78%~86.22% (P < 0.05, except test T4 processing in second year T3 and the 5th year).Compared with conventional fertilizer application T processing, 4
A application conditioner processing soil exchangeable total acid significantly reduces, and reduction amplitude is 28.82%~90.70% (P < 0.05),
It is maximum to test second year T4 processing reduction amplitude, the 4th year and the 5th year T3 processing reduction amplitude maximum.As it can be seen that and conventional fertilizer application
Mode is compared, and applying 4 kinds of soil conditioners can significantly reduce soil exchangeable total acid content, and T4 is reduced at most in a short time, long
It is most that phase sees that T3 mode reduces.
Influence (cmol/kg) of the different conditioners of table 3 to paddy soil exchangeability total acid
It is as shown in table 4 to apply influence of the conditioner to rock picker.Compared with the CK that do not apply fertilizer, conventional fertilizer application mode T
Processing and exchanging aluminium content significantly improves, and increase rate is 45.80%~97.80% (P < 0.05), at other application conditioners
Reason significantly reduces, and the amplitude that reduces is 31.46%~95.77 (P < 0.05, except test T4 processing in second year T3 and the 5th year).With
Conventional fertilizer application T-phase ratio, 4 application conditioners processing soil exchangeable aluminium contents significantly reduce, and the amplitude that reduces is 34.28%~
97.09% (P < 0.05), test second year T4 processing reduction amplitude is maximum, handles the biggest drop within the 4th year and the 5th year T3.It can
See, compared with conventional fertilizer application mode, applying 4 kinds of soil conditioners can significantly reduce soil exchangeable aluminium content, in a short time T4
It reduces at most, it is most to see that T3 mode reduces for a long time.
Influence (cmol/kg) of the different conditioners of table 4 to paddy soil exchangeable aluminum
In conclusion T4 conditioner mode is not only able to maintain rice high yield in a short time, but also is conducive to alleviate soil acidification, for a long time
See that T3 conditioner mode promotes rice high yield and alleviates paddy soil acidizing effect more preferably.
Claims (6)
1. alleviating the conditioner of paddy soil acidification, which is characterized in that including steel slag, calcium carbonate mass content in the steel slag
It is not less than 14% not less than 28%, silica quality content.
2. the conditioner according to claim 1 for alleviating paddy soil acidification, which is characterized in that the steel slag dosage is
60 kgs/acre/year.
3. the conditioner according to claim 1 for alleviating paddy soil acidification, which is characterized in that further include organic fertilizer, steel
Slag and organic fertilizer quality ratio are 3:5.
4. the conditioner according to claim 3 for alleviating paddy soil acidification, which is characterized in that the organic fertilizer 100
Kg/acre；Steel slag is 60 kgs/acre/year, and continuous 5 years or steel slag First Year disposably all apply 540 kilograms.
5. according to claim 1 to 4 described in any item conditioners for alleviating paddy soil acidification, which is characterized in that further include
Nitrification inhibitor, nitrification inhibitor and steel slag mass ratio are 3:4.
6. the conditioner according to claim 5 for alleviating paddy soil acidification, which is characterized in that the steel slag dosage is
60 kgs/acre/year, nitrification inhibitor dosage are 45 kgs/acre/year.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811195071.6A CN108947744A (en) | 2018-10-15 | 2018-10-15 | Alleviate the conditioner of paddy soil acidification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811195071.6A CN108947744A (en) | 2018-10-15 | 2018-10-15 | Alleviate the conditioner of paddy soil acidification |
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| CN108947744A true CN108947744A (en) | 2018-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083956A (en) * | 2019-12-03 | 2020-05-01 | 浙江大学 | Method for enhancing action effect of nitrification inhibitor in acid soil |
| CN111423889A (en) * | 2020-04-16 | 2020-07-17 | 武汉市秀谷科技有限公司 | Farmland soil acidification conditioner and application thereof |
Citations (8)
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|---|---|---|---|---|
| GB2320494A (en) * | 1996-12-20 | 1998-06-24 | Slag Reduction | Treatment of slag by size screening |
| JPH1161119A (en) * | 1997-08-21 | 1999-03-05 | Sumitomo Metal Ind Ltd | Improver for acidic heavy clayey soil |
| JPH11209757A (en) * | 1998-01-20 | 1999-08-03 | Sumitomo Metal Ind Ltd | Soil acidifying inhibition and trace element supply |
| CN102422737A (en) * | 2011-09-26 | 2012-04-25 | 中山大学 | Method for improving soil and preventing rice from absorbing heavy metal by utilizing steel slag |
| CN104557344A (en) * | 2015-02-09 | 2015-04-29 | 江西省红壤研究所 | Acid-controlling nitrogen-saving fertilizer for red upland soil and fertilization method |
| CN104946259A (en) * | 2015-05-22 | 2015-09-30 | 上海宝冶钢渣综合开发实业有限公司 | Acidic soil improver |
| CN105419806A (en) * | 2015-11-30 | 2016-03-23 | 南昌大学 | Heavy metal-polluted acid soil modifying agent and application thereof |
| CN106566557A (en) * | 2016-09-22 | 2017-04-19 | 东莞中科土壤科技开发有限公司 | Soil conditioner for reducing activity of heavy metals in soil, preparation method thereof, and method for reducing content of heavy metals in rice |
-
2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2320494A (en) * | 1996-12-20 | 1998-06-24 | Slag Reduction | Treatment of slag by size screening |
| JPH1161119A (en) * | 1997-08-21 | 1999-03-05 | Sumitomo Metal Ind Ltd | Improver for acidic heavy clayey soil |
| JPH11209757A (en) * | 1998-01-20 | 1999-08-03 | Sumitomo Metal Ind Ltd | Soil acidifying inhibition and trace element supply |
| CN102422737A (en) * | 2011-09-26 | 2012-04-25 | 中山大学 | Method for improving soil and preventing rice from absorbing heavy metal by utilizing steel slag |
| CN104557344A (en) * | 2015-02-09 | 2015-04-29 | 江西省红壤研究所 | Acid-controlling nitrogen-saving fertilizer for red upland soil and fertilization method |
| CN104946259A (en) * | 2015-05-22 | 2015-09-30 | 上海宝冶钢渣综合开发实业有限公司 | Acidic soil improver |
| CN105419806A (en) * | 2015-11-30 | 2016-03-23 | 南昌大学 | Heavy metal-polluted acid soil modifying agent and application thereof |
| CN106566557A (en) * | 2016-09-22 | 2017-04-19 | 东莞中科土壤科技开发有限公司 | Soil conditioner for reducing activity of heavy metals in soil, preparation method thereof, and method for reducing content of heavy metals in rice |
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083956A (en) * | 2019-12-03 | 2020-05-01 | 浙江大学 | Method for enhancing action effect of nitrification inhibitor in acid soil |
| CN111423889A (en) * | 2020-04-16 | 2020-07-17 | 武汉市秀谷科技有限公司 | Farmland soil acidification conditioner and application thereof |
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