CN1106440C - Water-preserving agent for preventing water leakage of dry or semi-dry farmland - Google Patents
Water-preserving agent for preventing water leakage of dry or semi-dry farmland Download PDFInfo
- Publication number
- CN1106440C CN1106440C CN99108159A CN99108159A CN1106440C CN 1106440 C CN1106440 C CN 1106440C CN 99108159 A CN99108159 A CN 99108159A CN 99108159 A CN99108159 A CN 99108159A CN 1106440 C CN1106440 C CN 1106440C
- Authority
- CN
- China
- Prior art keywords
- clay
- agent
- retaining agent
- water
- dry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to an anti-leakage water retaining agent for arid land and semiarid land. The anti-leakage water retaining agent is fine solid powder composed of clay, a calcium agent, an adhesive and nutrient components. When the soil is ploughed, the anti-leakage water retaining agent is directly spread into the soil, and the anti-leakage water retaining agent can form gel once encountering water; thus, the anti-leakage water retaining agent can present the downward infiltration of a large amount of water and has the function of fertilizer retention. The anti-seepage water retaining agent is convenient for mechanized operation.
Description
The present invention is the seepage-preventing water-retaining agent in a kind of arid, half-dried nonirrigated farmland.
Rainfall amount is few in the arid and semi-arid lands, evaporated quantity of water is big, and rainwater and irrigation water ooze under a large amount of, influences the normal development of crop.Patent CN-1201062A and CN99101967.9 utilize water miscible liquid to form water-retaining film on the stratum, in the implementation process all water be modulated into the film emulsion.But surface water often discomfort is fit to do irrigation water, and many broken countrys generally need be got underground water from the 70-100 rice degree of depth, and are very inconvenient, and this patent works out the seepage-preventing water-retaining agent that a kind of dry method is used at these situations.It can be used for all areas that are unfavorable for the water operation, and helps mechanized.
Seepage-preventing water-retaining agent of the present invention is to be main raw material with the clay, adds the solid fines that additive mixes in right amount.Directly remove in the soil when ploughing, just can form gel in case meeting moisture content, what both prevented big water gaging oozes and plays function of fertilizer retention down.
Clay used in the present invention can be selected from kaolin clay, montmorillonite clay, hydromica clay and mixed clay thereof.Additive is by the calcium agent, and tackiness agent and nutrient are formed.The calcium agent is: Ca (H
2PO
4)
2Or CaCl
2, Ca (HCO
3)
2, CaO etc.Tackiness agent is: water glass (Na
2SiO
3, 9H
2O) or cement, polyvinyl alcohol (PVA), polyacrylic acid (PAA), polyacrylamide (PAM), sodium alginate, Mierocrystalline cellulose, modified starch etc.Nutrient can be flyash or peat, humate, (NH
4)
2HPO
4, KH
2PO
4, urea etc.In additive, can add sterilant as required.Clay, the calcium agent, the weight percentage of tackiness agent and nutrient is respectively: 40-60%, 5-15%, 5-15% and 30-50%.With above-mentioned composition press the certain weight ratio mechanically mixing, pulverize seepage-preventing water-retaining agent.
[embodiment 1]
Experiment is the aeolian sandy soil that Inner Mongol Naiman Banner white tone tower draws bush with soil, belongs to fine sand, is the soil diameter of packing into 5cm, grows in 1 meter the Glass tubing, seepage flow COEFFICIENT K=3.30 * 10 during seepage-preventing water-retaining agent of no use
-3Cm/s, this value belongs to the fine sand seepage flow.
Percentage ratio is 50% kaolin by weight, 10%CaCl
2, 10% sodium alginate, the seepage-preventing water-retaining agent that 30% flyash is made is got a gram and is put among the fine sand of above-mentioned Glass tubing, surveys its seepage flow COEFFICIENT K=4.27 * 10
-4Cm/s (cel), this value belongs to the loess seepage flow.
[embodiment 2]
Condition is with embodiment 1, and seepage-preventing water-retaining agent consists of 60% hydromica clay, 10%Ca (H
2PO
4)
2, 10%PAA, 20% peat.Survey K=2.0 * 10
-4Cm/s, this value belongs to the light loam seepage flow.
[embodiment 3]
Press the condition of embodiment 1, seepage-preventing water-retaining agent consists of 50% montmorillonite clay, 10%CaO, 10%Na
2SiO
39H
2O, 30% humic acids iron is surveyed K=6.14 * 10
-5Cm/s, this value belongs to the mild clay seepage flow.
[embodiment 4]
Press the condition of embodiment 1, seepage-preventing water-retaining agent consists of 50% montmorillonite clay and water removes female clay half and half composite soil, 10%Ca (HCO
3)
2, 5%PAM, 10% urea, 10%KH
2PO
4, 5% cement, 10% peat.Survey its K=2.30 * 10
-5Cm/s, this value belongs to the mild clay seepage flow.
Claims (1)
1, a kind of seepage-preventing water-retaining agent, it is by clay, the calcium agent, tackiness agent and nutrient are formed, the weight percentage that it is characterized in that clay, calcium agent, tackiness agent and nutrient is respectively: 40-60%, 5-15%, 5-15% and 30-50% promptly become seepage-preventing water-retaining agent with above-mentioned component mechanically mixing, pulverizing; Clay is selected from kaolin clay, montmorillonite clay, hydromica clay and mixed clay thereof, and the calcium agent is selected from Ca (H
2PO
4)
2, CaCl
2, Ca (HCO
3)
2, CaO, tackiness agent is selected from water glass, cement, polyvinyl alcohol, polyacrylic acid, polyacrylamide, sodium alginate, Mierocrystalline cellulose, modified starch, nutrient are selected from flyash, peat, humate, (NH
4)
2HPO
4, KH
2PO
4, urea.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99108159A CN1106440C (en) | 1999-06-28 | 1999-06-28 | Water-preserving agent for preventing water leakage of dry or semi-dry farmland |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99108159A CN1106440C (en) | 1999-06-28 | 1999-06-28 | Water-preserving agent for preventing water leakage of dry or semi-dry farmland |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1243858A CN1243858A (en) | 2000-02-09 |
CN1106440C true CN1106440C (en) | 2003-04-23 |
Family
ID=5273169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99108159A Expired - Fee Related CN1106440C (en) | 1999-06-28 | 1999-06-28 | Water-preserving agent for preventing water leakage of dry or semi-dry farmland |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1106440C (en) |
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CN1308417C (en) * | 2003-07-07 | 2007-04-04 | 叶建军 | Formulation of soil and basis material for plant revegetation |
CN100523124C (en) * | 2006-11-20 | 2009-08-05 | 中国科学院地质与地球物理研究所 | Chemical modifying method for swelled ground treatment |
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CN1302033C (en) * | 2001-09-24 | 2007-02-28 | 安徽建筑工业学院 | Method for preparing anti-drought water-retaining agent |
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CN101973815B (en) * | 2010-10-15 | 2013-02-20 | 湖南省中科农业有限公司 | Full-nutrition drought-resistant water-retaining fertilizer and preparation method thereof |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1078290A (en) * | 1992-02-13 | 1993-11-10 | 清水股份有限公司 | Keep stratum permeability and the method that prevents clay swell |
CN1201062A (en) * | 1998-06-03 | 1998-12-09 | 吉林大学 | Setting of soil water-retaining film |
-
1999
- 1999-06-28 CN CN99108159A patent/CN1106440C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1078290A (en) * | 1992-02-13 | 1993-11-10 | 清水股份有限公司 | Keep stratum permeability and the method that prevents clay swell |
CN1201062A (en) * | 1998-06-03 | 1998-12-09 | 吉林大学 | Setting of soil water-retaining film |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1308417C (en) * | 2003-07-07 | 2007-04-04 | 叶建军 | Formulation of soil and basis material for plant revegetation |
CN100523124C (en) * | 2006-11-20 | 2009-08-05 | 中国科学院地质与地球物理研究所 | Chemical modifying method for swelled ground treatment |
Also Published As
Publication number | Publication date |
---|---|
CN1243858A (en) | 2000-02-09 |
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