CN102051181A - Nutritional type saline-alkali soil modifier - Google Patents
Nutritional type saline-alkali soil modifier Download PDFInfo
- Publication number
- CN102051181A CN102051181A CN2009102100624A CN200910210062A CN102051181A CN 102051181 A CN102051181 A CN 102051181A CN 2009102100624 A CN2009102100624 A CN 2009102100624A CN 200910210062 A CN200910210062 A CN 200910210062A CN 102051181 A CN102051181 A CN 102051181A
- Authority
- CN
- China
- Prior art keywords
- saline
- nutritive
- soil
- parts
- modifying agent
- 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.)
- Granted
Links
Abstract
The invention discloses a nutritional type saline-alkali soil modifier which can be used for the improvement and fertilization of the new oasis and the secondary salinization soil, and belongs to the technical field of soil improvement. The modifier comprises the following raw materials in percentage by weight: 50%-70% of furfural residue, 20%-40% of matured sheep manure, 1%-2% of urea, 4%-6% of diammomium phosphate, 2%-4% of potassium chloride, 0.3%-0.5% of zinc sulfate and 0.3%-0.5% of manganese sulfate. The preparation method of the modifier comprises the following conventional steps: mixing the raw materials, grinding and sieving to prepare the nutritional type saline-alkali soil modifier provided by the invention. The modifier integrates the functions of improving saline-alkali soil, fertilizing soil and preserving moisture and fertility; and the production cost is low, the improvement effect is good, and the yield of the crop can be increased obviously.
Description
Technical field
The present invention relates to the soil improvement technical field, particularly, relate to a kind of improvement of newly-built oasis and secondary salinization soil and nutritive saline-alkali land modifying agent of fostering and apply fertilizer of can be used for.
Background technology
Newly-built oasis belongs to saline-alkali wasteland more, the subject matter that exists is that soil is barren, nitrogen phosphorus nutrient content is extremely low, trace element deficiency, solubility salinity content height, preserve moisture and fertility poor performance, crop are emerged the difficulty of keeping a full stand of seedings, and the primary measure of such land development and utilization is that improvement is saline and alkaline.In addition, soil secondary salinization also is a ubiquitous problem in irrigated area and the facility cultivation, and irrational fertilising and irrigation cause the salinification area to increase year by year, have had a strong impact on the output of crop.Therefore, alkaline land improving utilization and soil secondary salinization control are irrigated area and facility cultivation problem demanding prompt solution, yet the engineering measure of improvement of salt and alkaline land is because of expensive excessive being difficult to carry out.
At present, the research at soil improvement agent both at home and abroad has a large amount of achievement in research and products aspect production, but currently used product is all more single, as CN1377936A disclosed " utilize waste gypsum plate produce the method and products thereof of salt soil improvement agent and use ", because exchangeable sodium needs drip washing to go out topsoil in the calcium sulfate displacement soil, the soil salt that calcium sulfate uses the back to increase also needs drip washing, so this modifying agent need cooperate the use of pouring water.Another major cause that alkaline soil influences plant growth is that soil hardens easily, simple chemical amendments not only can not improve and harden, and more irrigation and drainage causes loss of soil nutrient and the soil weight to increase sharply with the increase of irrigation frequency easily, causes soil to harden more.
Therefore, it is necessary developing a kind of nutritive saline-alkali land modifying agent that integrates saline and alkaline, fertilizing soil of improvement and preserve moisture and fertility function, is abridged edition technical measures efficiently.
Summary of the invention
The objective of the invention is barren at newly-built oasis soil, nitrogen phosphorus nutrient content is extremely low, trace element deficiency, solubility salinity content height, preserve moisture and fertility poor performance, crop are emerged the difficult problem of keeping a full stand of seedings, and the irrigated area soil and the facility cultivation soil secondary salinization problem that cause owing to unreasonable irrigation, fertilising, provide a kind of and integrate that improvement is saline and alkaline, the improving nutritive saline-alkali land soil agent prescription of fertilizing soil and preserve moisture and fertility function.
The technical scheme that realizes above-mentioned purpose is as follows:
A kind of nutritive saline-alkali land modifying agent comprises following raw materials in percentage by weight: furfural dregs 50%～70%, the sheep excrement 20%～40% that becomes thoroughly decomposed, urea 1%～2%, diammonium phosphate 4%～6%, Repone K 2%～4%, zinc sulfate 0.3%～0.5%, manganous sulfate 0.3%～0.5%.
Further, described furfural dregs is to produce the Vandyke brown solid waste of discharging behind the furfural with corn cob.
Further, the main component of described furfural dregs is Mierocrystalline cellulose, hemicellulose, xylogen, free acid, more rich potassium and small amount of nitrogen, phosphorus and effective boron, manganese, zinc, iron.
Further, the organic content of described furfural dregs 〉=75%, pH value 2.5～3.5, moisture content＜30%, fineness＜100 orders.
Further, the described sheep excrement that becomes thoroughly decomposed is a kind of common farm manure, and main component is Mierocrystalline cellulose, hemicellulose, xylogen, protein, amino acid, organic acid, enzyme and various inorganic salts.
Further: organic content 〉=40% of the described sheep excrement that becomes thoroughly decomposed, humic acids content 〉=20%, N-P-K content 〉=4%, moisture content＜30%.
Further, described urea contains N amount 〉=46%, and diammonium phosphate contains N amount 〉=18%, contains P
2O
5Amount 〉=46%, Repone K contains K
2O amount 〉=60%, zinc sulfate is ZnSO
47H
2O, manganous sulfate are MnSO
47H
2O.
With pulverizing with pulverizer after described furfural dregs, the sheep excrement that becomes thoroughly decomposed, urea, diammonium phosphate, Repone K, zinc sulfate, its pre-mixing according to the above ratio of manganous sulfate, granularity is reduced to below the 2mm, the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
The main ingredient of nutritive saline-alkali land modifying agent of the present invention is the furfural furfural dregs and the sheep excrement that becomes thoroughly decomposed, the wherein not just sterilization of method of becoming thoroughly decomposed of sheep excrement, but mainly that its fermentation is well-done, concrete grammar is: if any a spot of sheep excrement, it can be put among the container that can seal, place the place of solar energy impinges, utilize thermophilic fermentation, notice that the water content of sheep excrement will be advisable between 50-75%, overdrying becomes thoroughly decomposed bad, spring and autumn needs one month approximately, summer two weeks.Sheep excrement if any a large amount of can be stacked at the place that can see sunlight, and water content also will be more than 50%, and with yellow mud or plastics film sealing and fermenting, the time is will growing of container fermentation slightly.After fermenting, re-use after earlier it to be dried in the air slightly and be advisable.
Nutritive soil modifier of the present invention and normal soil modifying agent such as LC, APLE, KDB-1, KDB-2, AM etc. compare, and are a kind of modifying agents of organic-inorganic compoiste, and effect is fast, and is effective, and raw material, tooling cost are low, and price advantage is obvious, is specially:
(1) improve the soil structure, improve the soil water-reataining fertilizer-keeping performance: nutritive saline-alkali land modifying agent of the present invention is after using 1～2 year on the newly-ploughed saline-alkali wasteland, can make topsoil soils dispersive grogs form coacervate, the waterstable aggregate body burden of＞0.25mm increases by 3.88%～4.65%; Can make topsoil soils become loose, improve soil permeability, improve the moisture infiltration rate, the soil weight reduces by 0.08～0.12g/cm
3, total porosity, capillary porosity, noncapillary poropsity increase by 6.83%～7.19%, 3.87%～4.12% and 2.96%～3.07% respectively, and natural moisture content and storage capacity increase by 55.2～64.5g/kg, 75.4～81.2g/kg respectively.
(2) obviously reduce soil total salt quantity and pH value: using nutritive saline-alkali land modifying agent provided by the invention after 1～2 year on the newly-ploughed saline-alkali wasteland, can make the total salt content of moderate saline-alkali soil reduce by 30%～50%, the pH value reduces by 0.10～0.28 unit, can effectively reduce Na
+, Mg
2+, Cl
-, CO
3 2-Isoionic harm, the crop seedling rate improves 15%～20%, and survival rate of seedlings improves 20%～30%, and crop yields 12.8%～47.9% such as wheat, brewer's barley, corn, oily certain herbaceous plants with big flowers, flax on average increase production more than 20%.
(3) improve available nutrient of soil content and buffering ability rapidly: nutritive saline-alkali land modifying agent organic content provided by the invention 〉=55%, nitrogen phosphorus potassium total nutrient content 〉=6%, zinc-manganese micronutrient content 〉=0.7%, pH value 5.0～7.0, abundant organic matter and available nutrient can be provided after being manured into soil, phosphorus element that extremely lacks in the particularly newly-ploughed soil and zinc, manganese microelement, use that cation exchange capacity can increase by 1.9～2.6cmol/kg after 1～2 year, buffering power of soil is further strengthened.
(4) preparation technology is simple, raw material sources are abundant: the present invention mixes the back crushing screening with various raw materials to get final product by a certain percentage, and preparation technology is very simple, non-pollution discharge in the course of processing; The main raw material furfural dregs is to produce the waste residue of discharging behind the furfural with corn cob, and about 50,000 tons of the annual furfural dregs of discharging in Hexi Corridor, Gansu all piles up roadside, river shoal as waste; The present invention has not only reduced its pollution to environment by to the recycling of furfural dregs, and has improved the saltings, has improved ecotope, increased crop yield, has tangible economy and ecological benefits.
Embodiment
The raw material of nutritive saline-alkali land modifying agent of the present invention is chosen as follows:
1, furfural dregs: corn cob is produced the Vandyke brown solid waste of discharging behind the furfural, its main component is Mierocrystalline cellulose, hemicellulose, xylogen, free acid, more rich potassium and small amount of nitrogen, phosphorus and effectively boron, manganese, zinc, iron, wherein organic content 〉=75%, pH value be 2.5～3.5, moisture content＜30%, fineness＜100 orders.
2, the sheep excrement that becomes thoroughly decomposed: be common farm manure, main component is Mierocrystalline cellulose, hemicellulose, xylogen, protein, amino acid, organic acid, enzyme and inorganic salt, wherein organic content 〉=40%, humic acids content 〉=20%, N-P-K content 〉=4%, moisture content＜30%.
3, urea: contain N amount 〉=46%
4, diammonium phosphate: contain N amount 〉=18%, contain P
2O
5Amount 〉=46%
5, Repone K contains K
2O amount 〉=60%
6, zinc sulfate is ZnSO
47H
2O
7, manganous sulfate is MnSO
47H
2O
Embodiment 1
To pulverize with pulverizer after 50 parts of furfural dregs, 40 parts of sheep excrement that become thoroughly decomposed, 1 part of urea, 6 parts of diammonium phosphate, 2 parts of Repone K, 0.5 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 2
To pulverize with pulverizer after 70 parts of furfural dregs, 20 parts of sheep excrement that become thoroughly decomposed, 1 part of urea, 6 parts of diammonium phosphate, 2 parts of Repone K, 0.5 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 3
To pulverize with pulverizer after 60 parts of furfural dregs, 30 parts of sheep excrement that become thoroughly decomposed, 1 part of urea, 6 parts of diammonium phosphate, 2 parts of Repone K, 0.5 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 4
To pulverize with pulverizer after 55 parts of furfural dregs, 25 parts of sheep excrement that become thoroughly decomposed, 2 parts of urea, 4 parts of diammonium phosphate, 3 parts of Repone K, 0.5 part of zinc sulfate and 0.3 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 5
To pulverize with pulverizer after 65 parts of furfural dregs, 35 parts of sheep excrement that become thoroughly decomposed, 1.5 parts of urea, 4 parts of diammonium phosphate, 4 parts of Repone K, 0.3 part of zinc sulfate and 0.3 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 6
To pulverize with pulverizer after 50 parts of furfural dregs, 40 parts of sheep excrement that become thoroughly decomposed, 2 parts of urea, 5 parts of diammonium phosphate, 2 parts of Repone K, 0.4 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 7
To pulverize with pulverizer after 50 parts of furfural dregs, 40 parts of sheep excrement that become thoroughly decomposed, 1 part of urea, 6 parts of diammonium phosphate, 2 parts of Repone K, 0.5 part of zinc sulfate and 0.4 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 8
To pulverize with pulverizer after 70 parts of furfural dregs, 20 parts of sheep excrement that become thoroughly decomposed, 2 parts of urea, 4 parts of diammonium phosphate, 3 parts of Repone K, 0.5 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 9
To pulverize with pulverizer after 70 parts of furfural dregs, 20 parts of sheep excrement that become thoroughly decomposed, 2 parts of urea, 5 parts of diammonium phosphate, 2 parts of Repone K, 0.5 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 10
To pulverize with pulverizer after 60 parts of furfural dregs, 30 parts of sheep excrement that become thoroughly decomposed, 1 part of urea, 6 parts of diammonium phosphate, 2 parts of Repone K, 0.3 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 11
To pulverize with pulverizer after 60 parts of furfural dregs, 30 parts of sheep excrement that become thoroughly decomposed, 2 parts of urea, 5 parts of diammonium phosphate, 2 parts of Repone K, 0.5 part of zinc sulfate and 0.4 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Embodiment 12
To pulverize with pulverizer after 60 parts of furfural dregs, 30 parts of sheep excrement that become thoroughly decomposed, 1 part of urea, 5 parts of diammonium phosphate, 3 parts of Repone K, 0.5 part of zinc sulfate and 0.5 part of manganous sulfate pre-mixing, granularity is reduced to below the 2mm, and the sub-sieve of looking over so as to check after fully mixing again, pack package get final product.
Nutritive saline-alkali land modifying agent provided by the invention can be used different amounts with the height of soil total salt content according to the time length that saline-alkali wasteland is opened up wasteland, the amount of application on newly broken and heavy salinized ground is 800～1000kg/ mu, opening up wasteland the wasteland in 2～3 years and the amount of application in moderate saltings is 300～500kg/ mu, the amount of application in the wasteland of the reclamation of wasteland more than 5 years and slight saltings is 100～300kg/ mu, the method of using is for spreading fertilizer over the fields, and the time of using is for carry out in conjunction with ploughing wholely after autumn or before sowing in spring.
Listed examples of the present invention is intended to further illustrate embodiment of the present invention, and scope of the present invention is not constituted any restriction.
Claims (7)
1. nutritive saline-alkali land modifying agent, it is characterized in that, comprise following raw materials in percentage by weight: furfural dregs 50%～70%, the sheep excrement 20%～40% that becomes thoroughly decomposed, urea 1%～2%, diammonium phosphate 4%～6%, Repone K 2%～4%, zinc sulfate 0.3%～0.5%, manganous sulfate 0.3%～0.5%.
2. nutritive saline-alkali land modifying agent according to claim 1 is characterized in that, described furfural dregs is to produce the Vandyke brown solid waste of discharging behind the furfural with corn cob.
3. nutritive saline-alkali land modifying agent according to claim 1 and 2 is characterized in that, the main component of described furfural dregs is Mierocrystalline cellulose, hemicellulose, xylogen, free acid, more rich potassium and small amount of nitrogen, phosphorus and effective boron, manganese, zinc, iron.
4. nutritive saline-alkali land modifying agent according to claim 1 and 2 is characterized in that, the organic content of described furfural dregs 〉=75%, pH value are 2.5～3.5, moisture content＜30%, fineness＜100 orders.
5. nutritive saline-alkali land modifying agent according to claim 1 is characterized in that, the described sheep excrement that becomes thoroughly decomposed is a kind of common farm manure, and main component is Mierocrystalline cellulose, hemicellulose, xylogen, protein, amino acid, organic acid, enzyme and inorganic salt.
6. as claim 1 or 5 described nutritive saline-alkali land modifying agents, it is characterized in that: organic content 〉=40% of the described sheep excrement that becomes thoroughly decomposed, humic acids content 〉=20%, N-P-K content 〉=4%, moisture content＜30%.
7. nutritive saline-alkali land modifying agent according to claim 1 is characterized in that, described urea contains N amount 〉=46%, and diammonium phosphate contains N amount 〉=18%, contains P
2O
5Amount 〉=46%, Repone K contains K
2O amount 〉=60%, zinc sulfate is ZnSO
47H
2O, manganous sulfate are MnSO
47H
2O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910210062 CN102051181B (en) | 2009-11-04 | 2009-11-04 | Nutritional type saline-alkali soil modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910210062 CN102051181B (en) | 2009-11-04 | 2009-11-04 | Nutritional type saline-alkali soil modifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102051181A true CN102051181A (en) | 2011-05-11 |
| CN102051181B CN102051181B (en) | 2013-03-20 |
Family
ID=43955989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910210062 Expired - Fee Related CN102051181B (en) | 2009-11-04 | 2009-11-04 | Nutritional type saline-alkali soil modifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102051181B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349372A (en) * | 2011-08-08 | 2012-02-15 | 浙江元成园林集团有限公司 | Method for improving alkaline soil |
| CN102746071A (en) * | 2012-06-19 | 2012-10-24 | 山西省农业科学院农业环境与资源研究所 | Fertilizer for corns in saline-alkali soil and application thereof |
| CN104370611A (en) * | 2014-11-19 | 2015-02-25 | 马英臣 | Special fertilizer for orchids |
| CN105198667A (en) * | 2015-08-18 | 2015-12-30 | 宁夏共享生物化工有限公司 | Preparation method of saline-alkali soil conditioner containing biochemical humic acid |
| CN105503336A (en) * | 2015-12-18 | 2016-04-20 | 宁夏农林科学院 | Compound special fertilizer for dry farmland terraced fields of mountain area |
| CN106118666A (en) * | 2016-06-24 | 2016-11-16 | 宁夏共享化工有限公司 | One is checked winds and fixed drifting sand nutrition whitewashing and preparation method thereof |
| CN106118682A (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 Leonuri extract and preparation method thereof |
| CN106398712A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Soil improving agent for agricultural fields of secondary salinization lands in Hetao irrigation area |
| CN107935781A (en) * | 2017-12-18 | 2018-04-20 | 何建国 | A kind of alkaline land modifying agent and preparation method thereof |
| CN108728058A (en) * | 2018-06-29 | 2018-11-02 | 长江大学 | A kind of drilling fluid inhibitor and its application |
| CN113575011A (en) * | 2021-08-19 | 2021-11-02 | 河北工程大学 | Farming and fertilizing method for soda saline-alkali soil based on agricultural and industrial wastes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323549A (en) * | 2008-07-18 | 2008-12-17 | 东北师范大学 | Sustained and controlled release type organic inorganic block fertilizer for root and preparation and use thereof |
| CN101503326A (en) * | 2009-03-03 | 2009-08-12 | 宁夏大学 | Improver special for alkaline land alkali-resistant salt-restricting rice and method of processing the same |
-
2009
- 2009-11-04 CN CN 200910210062 patent/CN102051181B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323549A (en) * | 2008-07-18 | 2008-12-17 | 东北师范大学 | Sustained and controlled release type organic inorganic block fertilizer for root and preparation and use thereof |
| CN101503326A (en) * | 2009-03-03 | 2009-08-12 | 宁夏大学 | Improver special for alkaline land alkali-resistant salt-restricting rice and method of processing the same |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349372A (en) * | 2011-08-08 | 2012-02-15 | 浙江元成园林集团有限公司 | Method for improving alkaline soil |
| CN102746071A (en) * | 2012-06-19 | 2012-10-24 | 山西省农业科学院农业环境与资源研究所 | Fertilizer for corns in saline-alkali soil and application thereof |
| CN104370611A (en) * | 2014-11-19 | 2015-02-25 | 马英臣 | Special fertilizer for orchids |
| CN105198667A (en) * | 2015-08-18 | 2015-12-30 | 宁夏共享生物化工有限公司 | Preparation method of saline-alkali soil conditioner containing biochemical humic acid |
| CN105503336A (en) * | 2015-12-18 | 2016-04-20 | 宁夏农林科学院 | Compound special fertilizer for dry farmland terraced fields of mountain area |
| CN106118666A (en) * | 2016-06-24 | 2016-11-16 | 宁夏共享化工有限公司 | One is checked winds and fixed drifting sand nutrition whitewashing and preparation method thereof |
| CN106118682A (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 Leonuri extract and preparation method thereof |
| CN106398712A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Soil improving agent for agricultural fields of secondary salinization lands in Hetao irrigation area |
| CN107935781A (en) * | 2017-12-18 | 2018-04-20 | 何建国 | A kind of alkaline land modifying agent and preparation method thereof |
| CN108728058A (en) * | 2018-06-29 | 2018-11-02 | 长江大学 | A kind of drilling fluid inhibitor and its application |
| CN113575011A (en) * | 2021-08-19 | 2021-11-02 | 河北工程大学 | Farming and fertilizing method for soda saline-alkali soil based on agricultural and industrial wastes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102051181B (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102051181B (en) | Nutritional type saline-alkali soil modifier | |
| CN104761416B (en) | A kind of biochemical conditioner that can improve saline-alkali soil and preparation method thereof | |
| CN103756684B (en) | A kind of soil conditioner with multiple benefits | |
| CN102746048B (en) | Special improved organic fertilizer for saline-alkali soil and preparation method and application thereof | |
| CN102994097B (en) | Application of moderate alkaline soil modifier | |
| CN100443563C (en) | Nutritive soil improver special for salt alkali land and its processing method | |
| CN103012016B (en) | Modifier for mildly alkalized soil and processing method thereof | |
| CN105693376B (en) | A kind of organic conditioning compound fertilizer of soil and a kind of salt-soda soil shrub cultural method | |
| CN103031129B (en) | Severe alkali-affected soil modifying agent and working method thereof | |
| CN103031130B (en) | Conditioner for moderately alkaline soil and processing method of conditioner | |
| CN103270928A (en) | Water-retaining soilless culture substrate and production method thereof | |
| CN103013528B (en) | Application of highly alkalized soil improvement agent | |
| CN103787776B (en) | A kind of biological defense fertilization material and preparation method thereof | |
| CN101081983B (en) | Composite degradable soil nutrition amendment and preparation method thereof | |
| CN102994096B (en) | Use of mild alkali-affected soil conditioner | |
| CN103641652A (en) | An organic compound fertilizer and a preparation method thereof | |
| CN103058794A (en) | Water-retaining biological organic fertilizer used for mango and preparation method thereof | |
| CN105993261A (en) | Soil improvement method based on calcium-magnesium-silicon-potassium bioactive fertilizer | |
| CN105198667A (en) | Preparation method of saline-alkali soil conditioner containing biochemical humic acid | |
| CN104291944A (en) | Fruit tree fertilizer capable of preventing soil hardening and preparation method thereof | |
| CN105330437A (en) | Special nutrient package fertilizer for solanaceous vegetables used for red earth wastelands and application method of special nutrient package fertilizer | |
| CN102349372A (en) | Method for improving alkaline soil | |
| CN106396867A (en) | Humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land | |
| CN101724406A (en) | Secondary salinization soil medlar special modifier and method for processing same | |
| CN101979462A (en) | Soil conditioner, preparation method thereof and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20151104 |
|
| EXPY | Termination of patent right or utility model |