CN102277174B - Improving medium for saline-alkali land and preparation method thereof - Google Patents
Improving medium for saline-alkali land and preparation method thereof Download PDFInfo
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- CN102277174B CN102277174B CN 201110181233 CN201110181233A CN102277174B CN 102277174 B CN102277174 B CN 102277174B CN 201110181233 CN201110181233 CN 201110181233 CN 201110181233 A CN201110181233 A CN 201110181233A CN 102277174 B CN102277174 B CN 102277174B
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Abstract
The invention discloses a soil improving medium for saline-alkali land and a preparation method thereof. The soil improving medium is prepared by taking moss as an organic carrier to adsorb a mixed acid solution composed of 15-30% of humic acid, 5-15% of humic acid, 25-45% of cis-butenedioic acid, 2-10% of oxalic acid and 15-20% of sodium dioctyl sulfosuccinate, drying until the water content is less than 38% and then adding natural zeolite. As a moss plant in the soil improving medium has abundant sieve tubes and multiple gap microscopic structures, the soil improving medium is used as the carrier to be adsorbed in the sieve tubes of the moss plant and then the natural zeolite is added after the soil improving medium is dried. Therefore, the soil improving medium provided by the invention has the advantages of acidity, absorbability and solubility; the pH value of the soil is reduced, the salt content is reduced, the density is reduced and the organic matter is increased, therefore, the salt content in underground water is prevented from being raised.
Description
Technical field
The present invention relates to the improvement of alkaline land soil, specifically improvement medium of a kind of alkaline land soil and preparation method thereof.
Background technology
Alkaline land improving is global problem, and global saltings area is above 900,000,000 hectares.All kinds of saline and alkaline soil of China reaches 100,000,000 hectares, and saline soil is the part of China's important land resources, and wasteland resource medium salting soil occupies significant proportion.The method of traditional alkaline land soil improvement mainly is to utilize sodium in the gypsum displacement soil, and this kind method drops into high, and effect is also not so well; Also useful calcium sulfate is replaced sodium, and the use of calcium sulfate has increased the salt of soil, needs drip washing, and this method causes soil compaction easily.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, improvement medium of a kind of alkaline land soil and preparation method thereof is provided.
For achieving the above object, the technical solution used in the present invention is:
A kind of alkaline land soil improvement medium, it is as organic carrier take liver moss, absorption contains the mixed acid solution that humic acid, humic acid, maleic acid, oxalic acid, dioctyl sodium sulfosuccinate are made, be dried to water content below 38%, admix natural zeolite and make, the materials of described mixed acid solution and consumption weight percent are:
Humic acid 15-30%
Maleic acid 25-45%
Oxalic acid 2-10%
Dioctyl sodium sulfosuccinate 15-20%
Humic acid 5-15%.
Its concrete preparation method comprises the steps:
(1) preparation mixed acid solution;
(2) get mixed acid solution 1-3 liter, thin up to 100 liter;
(3) ratio that adds 20 kilograms of liver mosses with 100 liters of dilute acid solutions adds liver moss;
(4) in 10-30 ℃ warm water, soaked 12-36 hour;
(5) bryophyte after take out soaking is seasoning in 40% the environment in relative humidity, and its water content is reached below 38%;
(6) ratio that adds 0.1 kilogram natural zeolite in the per kilogram bryophyte in the bryophyte of step (5) adds natural zeolite, mixes, the pack encapsulation.
The using method that the present invention improves medium is: every square metre of sowing amount that applies the improvement medium is: heavy salinized ground 10kg/m
2Moderate saltings 8 kg/m
2Slight alkaline land 5 kg/m
2
This improvement medium shows through field test, can obviously reduce the salt and alkali component in the soil, soil physical and chemical property generation radical change, and test effect sees Table one:
Table one: use improvement medium soil improvement front and back experiment effect synopsis:
Before the improvement
Improved rear 10 days
Improved rear 6 months
Why the present invention can produce above-mentioned positively effect, is because the bryophyte screen casing in the soil improving medium is abundant, many spaces microstructure.The water-retaining capacity that it is superpower can reach 15-20 times from heavy sensation of the whole body.And its steam output only has 1/5 of water purification surface, and the characteristics of energy secreting acidic material.It is contained humic acid, humic acid, maleic acid, oxalic acid, dioctyl sodium sulfosuccinate solution absorbs in the screen casing of bryophyte as the carrier handle, the dry rear natural zeolite that adds.Before need improvement, execute on the earth's surface rotary tillage once improveing medium, make itself and soil mixing.Then the immersion of pouring water discharges with saline-alkali soil the substance dissolves in the screen casing and closes organic end, accelerates the solubleness of the high-valency metal compound in the soil, makes sodium ion be in unbound state.Make free sodium ion and the salt ion of a large amount of absorption of polymer, and its water is spun below the arable layer.The compositions such as humic acid, humic acid, oxalic acid have positive effect to the physico-chemical property of soil simultaneously.It contains H in the oxygen functional group
+Ionization, make it have acidity, absorptivity, solubility.P in soil H value reduces, total salt quantity descends, density descends, organic increasing, and the formation of Soil structure is played an important role.Bryophyte in the last soil can be blocked soil capillary, prevents that salinity rises in the underground water.
Embodiment
The invention will be further elaborated below in conjunction with embodiment, but should be understood that following examples only are used for the present invention is illustrated, and be not to limit protection scope of the present invention.
Embodiment 1
A kind of alkaline land soil improvement medium, adopt the method that comprises the steps to make:
(1) takes off humic acid 20%, maleic acid 45%, oxalic acid 5%, dioctyl sodium sulfosuccinate 15%, the humic acid 15% stated by weight percentage and make mixed acid solution;
(2) get mixed acid solution 1-3 liter, thin up to 100 liter;
(3) ratio that adds 20 kilograms of liver mosses with 100 liters of dilute acid solutions adds liver moss;
(4) in 10-30 ℃ warm water, soaked 12-36 hour;
(5) bryophyte after take out soaking is seasoning in 40% the environment in relative humidity, and its water content is reached below 38%;
(6) ratio that adds 0.1 kilogram natural zeolite in the per kilogram bryophyte in the bryophyte of step (5) adds natural zeolite, and mixing is even, the pack encapsulation.
Embodiment 2
Carry out according to the method steps of implementing 1, different is: press column weight amount per-cent and prepare mixed acid solution: humic acid 30%, maleic acid 40%, oxalic acid 3%, dioctyl sodium sulfosuccinate 15%, humic acid 12%.
Embodiment 3
Carry out according to the method steps of implementing 1, different is: press column weight amount per-cent and prepare mixed acid solution: humic acid 30%, maleic acid 35%, oxalic acid 5%, dioctyl sodium sulfosuccinate 20%, humic acid 10%.
Alkaline land soil improvement medium provided by the invention can be according to the dissimilar difference amounts of using in saltings, be about 10 kilograms/square metre such as heavy salinized ground sowing amount, moderate saltings sowing amount is about 8 kilograms/square metre, and the slight alkaline land sowing amount is about 5 kilograms/square metre.
Claims (3)
1. an alkaline land soil is improved medium, it is characterized in that: it is as organic carrier take liver moss, the mixed acid solution that absorption is made by humic acid, humic acid, maleic acid, oxalic acid, dioctyl sodium sulfosuccinate, be dried to water content below 38%, admix natural zeolite and make, the materials of described mixed acid solution and consumption weight percent are:
Humic acid 15-30%
Maleic acid 25-45%
Oxalic acid 2-10%
Dioctyl sodium sulfosuccinate 15-20%
Humic acid 5-15%.
2. the preparation method of the described a kind of alkaline land soil improvement medium of claim 1 is characterized in that: comprise the steps:
(1) by above-mentioned materials weight percent preparation mixed acid solution;
(2) get mixed acid solution 1-3 liter, thin up to 100 liter;
(3) ratio that adds 20 kilograms of liver mosses with 100 liters of dilute acid solutions adds liver moss;
(4) in 10-30 ℃ warm water, soaked 12-36 hour;
(5) bryophyte after take out soaking is seasoning in 40% the environment in relative humidity, and its water content is reached below 38%;
(6) ratio that adds 0.1 kilogram natural zeolite in the per kilogram bryophyte in the bryophyte of step (5) adds natural zeolite, and mixing is even, the pack encapsulation.
3. improve medium with the alkaline land soil of the described preparation method's preparation of claim 2.
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| CN 201110181233 CN102277174B (en) | 2011-06-30 | 2011-06-30 | Improving medium for saline-alkali land and preparation method thereof |
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| CN 201110181233 CN102277174B (en) | 2011-06-30 | 2011-06-30 | Improving medium for saline-alkali land and preparation method thereof |
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| CN103755489A (en) * | 2013-12-02 | 2014-04-30 | 于鹏 | Soil activating component and preparation method thereof |
| CN106118681A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of anti-salt alkali composition containing Herba Taraxaci and preparation method thereof |
| CN106914214B (en) * | 2017-03-15 | 2019-08-16 | 中国科学院上海高等研究院 | Gas cleaning adsorbent and reclamation of salinep-alkali soil method for the reclamation of salinep-alkali soil |
| CN108129235A (en) * | 2017-12-28 | 2018-06-08 | 南昌工程学院 | A kind of ion type rareearth ore tailings ground modifying agent and vegetation reclamation method |
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| CN1094387A (en) * | 1993-04-29 | 1994-11-02 | 中国科学院沈阳应用生态研究所 | A kind of long-effect plant compoiste fertilizer |
| CN1100842C (en) * | 2000-01-31 | 2003-02-05 | 北京北农康地生物技术有限公司 | Saline-alkali soil improving agent and its preparation method |
| CN101643374B (en) * | 2009-09-09 | 2011-07-20 | 山西大学 | Compound fertilizer |
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