CN1263142A - Saline-alkali soil improving agent and its preparation method - Google Patents
Saline-alkali soil improving agent and its preparation method Download PDFInfo
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- CN1263142A CN1263142A CN00100436A CN00100436A CN1263142A CN 1263142 A CN1263142 A CN 1263142A CN 00100436 A CN00100436 A CN 00100436A CN 00100436 A CN00100436 A CN 00100436A CN 1263142 A CN1263142 A CN 1263142A
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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
Abstract
The saline-alkali sol improving agent mainly contains citric acid, fulvic acid, humic acid, malic acid, humus acid, propionic acid, salicylic acid, Tween-100 and water, and its preparation method includes the following steps: heating water, adding ingredients in turn, fully mixing uniformly and regulating to 100 portions by adding water so as to obtain the improving agent capable of regulating soil structure and physical and chemical condition, reducing saline and removing alkal, raising rate of germination, promoting crop growth and increasing yield, etc.. Its cost is low, use is convenient, and it is safe and harmless for crops and soil.
Description
The present invention relates to agricultural soil ameliorant, particularly a kind of saline-alkali soil conditioner and preparation method thereof.
Along with the reduction that the continuous growth and the agricultural of China's population are ploughed, increase the output of arable area and unit surface, it is more and more important to become in China's agricultural modernization.In the soil that can open up wasteland, the exploitation in saltings has very big potentiality.On the other hand, China agricultural plough because of subtracting of causing of salinization, alkalization or salinization execute serious day by day, some farmland even because of seriously salinization is no longer cultivated.The existing salinization in various degree of China is at present ploughed nearly 500,000,000 mu.In decades, country has dropped into great amount of manpower and material resources and has come transformation salinity ground,
The purpose of this invention is to provide a kind of saline-alkali soil conditioner that can activate the content of available phosphorus and iron in the soil.
Another object of the present invention provides a kind of preparation method of above-mentioned saline-alkali soil conditioner.
Contain citric acid, wood acid, xanthohumic acid, FUMARIC ACID TECH GRADE, humic acid, tetra-sodium, oxysuccinic acid, maleic acid, humic acid, L-tartrate, propionic acid, gala acid, Whitfield's ointment, oxalic acid, soil temperature-100 and water in the saline-alkali soil conditioner of the present invention; Wherein, the parts by weight proportioning of described each composition is:
Citric acid 2-4 part wood acid 1-2 part
Xanthohumic acid 1-3 part FUMARIC ACID TECH GRADE 1-3 part
Humic acid 2-4 part tetra-sodium 1.5-3 part
Oxysuccinic acid 1-3 part propionic acid 2.5-4 part
Maleic acid 1.2-4.5 part humic acid 2.5-5 part
L-tartrate 0.8-2 part gala acid 1-3 part
Whitfield's ointment 0.5-2 part oxalic acid 1.5-3 part
Soil temperature-100 3-7 part water is adjusted to 100 parts
The preparation method of saline-alkali soil conditioner of the present invention comprises earlier the water of adding 20-40 umber in the reactor, when being heated to 45-50 ℃, in reactor, add citric acid, wood acid, xanthohumic acid, FUMARIC ACID TECH GRADE, humic acid, tetra-sodium, oxysuccinic acid, maleic acid, humic acid, L-tartrate, propionic acid, gala acid, Whitfield's ointment and oxalic acid successively, thorough mixing 40-60 minute; Under 45-50 ℃ condition, add emulsifying agent soil temperature-100, thorough mixing 10-25 minute then; Water is adjusted to 100 parts and gets final product.
Saline-alkali soil conditioner of the present invention contains effective composition 30%, is brown liquid.
Saline-alkali soil conditioner of the present invention is used to be subjected to the farmland and the new land reclamation of saline and alkaline infringement, by regulating Soil structure and physics and chemistry state salt falls except that alkali, make saline and alkaline influence reduce to minimum level to plant-growth, can improve the infiltration of saltings moisture, make affined moisture and nutrition transfer upstate to and improve seedling rate, promote plant growth and increase output; Action effect to soil is remarkable, and is easy to use, and cost is low; Saltings after handling with saline-alkali soil conditioner by physiology, the biochemical action to plant root and topsoil gong, can guarantee that plant plants in the saltings, the normal germination, and healthy growth, to people, animal safety, harmless to crop, soil.
The scope of application of saline-alkali soil conditioner of the present invention is field crop, protection ground, lawn, careless pasture, saline-alkali wasteland, fruit tree, vegetables and ornamental plant.Be subjected to the mild or moderate soil of saline and alkaline harm, every mu of consumption 500-600 milliliter; Containing saline and alkaline higher newly turning up the soil, every mu of consumption 3-5 kilogram used, and can make soil restoration arrive normal plantation state in continuous 3 years.
Adopt saline-alkali soil conditioner of the present invention soil to be carried out the test of the activation of phosphorus and iron:
For examination soil respectively from Changping, Beijing, Jinghai, Handan, Hebei and Binzhou, Shandong fetch farmland moisture soil soil sample, the basic physicochemical character of these soil sees Table 1.
1, carries out the test of saline-alkali soil conditioner earlier: accurately take by weighing some parts of 2.0g wind desiceted soil,, add saline-alkali soil conditioner solution (the 10umol g of certain volume by 10: 1 soil ratio to the activation of soil phosphorus
-1And 50umolg
-1), be contrast with isopyknic deionized water, repeat 3 times, addend drips toluene, to suppress microbial activities.Constant temperature vibration 1h under the condition of (25 ± 1) ℃, centrifugal 10min under the 30000g filters, and measures phosphorus with molybdenum blue colorimetric method, and Fe measures with the ICP method.
Result and analysis: saline-alkali soil conditioner is to the activation of two class soil phosphoruss; Saline-alkali soil conditioner can obviously promote the release of soil phosphorus; Saline-alkali soil conditioner is closely related to the content of available phosphorus in the activation of soil phosphorus and soil type and the soil.Saline-alkali soil conditioner is remarkable positive correlation to the content of available phosphorus in the activation of soil phosphorus and the soil.As can be seen from Table 2, saline-alkali soil conditioner is in close relations to the activation and the soil type of soil phosphorus.Relatively saline-alkali soil conditioner can find that to the activation of calcareous soil (north) and red soil phosphorus (south) saline-alkali soil conditioner is to the release to birth ratio calcareous soil height of acid soil.This mainly is owing to after adding digestion agent on the two class soil, soil balanced solution PH difference.On calcareous soil, what phosphorus was played activation only is organic anion; And on red soil, negatively charged ion and H+ play activation jointly.Therefore, make saline-alkali soil conditioner be greater than calcareous soil to the release action of red soil phosphorus.Another possible reason is on acid soil, and soil ulmin Fe (AI)-P complex compound proportion will be apparently higher than calcareous soil (on the calcareous soil, phosphorus mainly exists with the Ca-P form), and this a part of phosphorus is easy to be activated.
Table 2 saline-alkali soil conditioner is to soil phosphorus release conditions (umol g under the green multiple health different concns in the release promoter action sampling position of phosphorus in the soil
-1)
2.01 8.12 15.34 17.62 18.23 Jiangsu 1.98 7.86 13.79 15.96 17.822,1.57 2.11 4.02 5.75 6.29 Hubei, 1.60 2.23 4.56 6.22 6.58 Shandong, 1.49 1.68 3.17 4.13 4.35 Hebei, 1.72 2.35 4.61 6.49 6.70 Tianjin, 0 10 30 50 70 Beijing, saline-alkali soil conditioner to activation table 3 saline-alkali soil conditioner of Fe in the soil to the green multiple health working concentration (umol/g) in the release facilitation sampling position of Iron in Soil
5.87 10.44 19.76 35.34 49.71 Jiangsu 5.43 10.18 18.37 34.29 46.15,2.70 9.33 17.99 29.25 37.92 Hubei, 2.61 9.26 18.10 29.91 38.46 Shandong, 1.96 8.71 15.89 26.18 31.87 Hebei, 2.52 9.13 17.61 28.76 34.33 Tianjin, 0 10 30 50 70 Beijing
As can be seen from Table 3, saline-alkali soil conditioner is obvious to the activation of Fe in the soil, no matter is the calcareous soil in the north, or southern characteristic of acid red soil, and saline-alkali soil conditioner all promotes the release of its Fe significantly.And along with the increase of saline-alkali soil conditioner consumption, the volume of activation of Fe also is the trend of obvious increase in the soil.The type of soil also influences the release of soil Fe, and the burst size of Fe is obviously greater than the calcareous soil in the north in the southern red soil.This explanation saline-alkali soil conditioner be by close, solvency action, promoted the release of Fe in the insoluble phosphoric acid iron (Fe) in the earth.Simultaneously, also phosphorus has wherein been discharged.
Conclusion: saline-alkali soil conditioner can obviously promote the release of phosphorus in the soil, but to the activation of phosphorus in the characteristic of acid red soil greater than activation to phosphorus in the calcareous soil; Saline-alkali soil conditioner can promote the release of Fe in the soil significantly, this activation to Fe be with activation to phosphorus in the soil be positively related.
Adopt saline-alkali soil conditioner of the present invention that the influence of the corn yield in saline moist soil district is tested:
Test site is located at Togtoh county, Huhehaote City, the Inner Mongol and only covers saline moist soil district, three rooms village, township.The average saltiness of 0-20cm soil layer is 0.31%, pH value 8.5, organic content 1.21%, total nitrogen content 0.084%, available phosphorus contents 6.45ppm, quick-acting potassium content 122.2ppm, the soil texture are light-medium loam, middle fertility, physical features is smooth, and irrigation conditions is good, and preceding stubble is a Sunflower Receptacle.
Trial crops corn (Zea mays), kind: No. 2, middle list.April 23 ploughed, and executed farm manure 1000kg/ mu before broadcasting, and pressed bicarbonate of ammonia 25kg/ mu to make base manure.April 26 poured water with converging, the whole ground of rake a kind of farm tools on April 29, sowing on May 2, basic seedling 3800 strains.The typhon mouth phase imposes urea 20kg/ mu, and September 25 gathered in the crops, and other management is with conventional.
Reagent agent: 35% saline-alkali soil conditioner aqua, effective component content 35% is provided by China Agricultural University's plant technical college.Test design: establish 35% saline-alkali soil conditioner aqua 300ml/ mu, 600ml/ mu, 900ml/ mu is hereinafter to be referred as (LFK
1, LFK
2, LFK
3) blank CK (spray equivalent clear water), do not establish repetition, 5 mu of every processing, 20 mu of the model field total areas.
Spraying time and method: poured water April 26 when converging ground, according to design requirements, treatment zone is got 35% saline-alkali soil conditioner aqua 300ml/ mu, 600ml/ mu, 900ml/ mu respectively.Medicament divides 2 times, converts water 15kg at every turn, with workers and peasants-16 type atomizer, is sprayed on the soil table, contrasts every mu and sprays the 30kg clear water, waters then and converges with ground.
In the process of the test, during corn typhon mouth, write the method that " soil physical analysis " provided, every indexs such as the sampling and measuring soil weight, capillary porosity, soil evaporativeness, infiltration rate according to Nanjing Soil Inst., Chinese Academy of Sciences.When results September 25,5 samplings every test site in, 0.2 mu of ground of every some sampling, real receipts are calculated per mu yield, test comparing analysis with t.
Test results and analysis:
35% saline-alkali soil conditioner aqua is to the influence of topsoil soils physicochemical character.
Table 4 35% saline-alkali soil conditioner aqua is handled unit weight total porosity capillary porosity noncapillary poropsity soil evaporativeness infiltration rate to the influence of topsoil soils physicochemical character
G/cm
3(%), (%) %, (mm/d), (mm/h) CK 1.34 45.64 38.48 7.21 5.26 10.81LFK1 1.28 52.94 43.30 9.64 4.03 16.44LFK2 1.17 55.87 43.79 12.08 3.83 20.48LFK3 1.07 58.12 44.98 13.14 3.56 22.13LFK2 are than CK-0.17+10.23+5.3+4.87-1.37+9.67
By table as seen, after saline moist soil applied saline-alkali soil conditioner, the 0-20cm soil layer soil weight reduced 0.06-0.27g/cm compared with the control
3, total porosity improves 6.85-12.48%, and soil evaporativeness is reduced to 3.56-4.03mm/d by 5.20mm/d, and soil infiltration rate is brought up to 16.44-22.13 by 10.81mm/h.The steam output minimizing has suppressed the soil accumulation of salt in the surface soil, and the infiltration rate raising helps loosing soil, the desalination desalinization of soil by flooding or leaching.
Table 5 35% saline-alkali soil conditioner aqua is handled per mu yield conversion output stimulation ratio to the influence of corn yield
Kg/ mu kg/ha %CK 503.1 7546.4 0L,FK1 618.8 9282.2 23.0LFK2 745.6 11183.9 48.2LFK3 760.7 11410.5 51.2LFK2 are than CK+242.5+3637.5+48.2
By table 5 as seen, 35% saline-alkali soil conditioner aqua has tangible effect of increasing production to exhaling saline moist soil district, area, city maize planting, per mu yield can be brought up to 618.8-760.7kg by 503.1kg, amount of increase in production 23-51.2%, the reason of volume increase mainly is because after using the saline-alkali soil conditioner aqua, it is neat to emerge, seedling protecting effect increases, the time of infertility, crop root physically well developed simultaneously, and nutrition absorption is comprehensive, and thousand heavily increase.
Conclusion: 35% saline-alkali soil conditioner aqua can obviously improve the saline moist soil physico-chemical property, reduces the soil weight, increases soil total porosity and capillary porosity, increases the infiltration rate of soil, helps the drip washing of soil salt; After 35% saline-alkali soil conditioner aqua was manured into soil, its stronger ion exchanging function can influence the activity of soil salt, increased water retention in soil, reduced soil evaporativeness, improved the saline moist soil desalination, pressed down the salt ability; The large-scale demonstration test shows that the saline-alkali soil conditioner aqua is to saline moist soil district maize planting, and seedling protecting effect is remarkable, and the output increase rate is obvious.
Further describe the present invention below in conjunction with embodiment
Embodiment
A kind of saline-alkali soil conditioner, it contains citric acid, wood acid, xanthohumic acid, FUMARIC ACID TECH GRADE, humic acid, tetra-sodium, oxysuccinic acid, maleic acid, humic acid, L-tartrate, propionic acid, gala acid, Whitfield's ointment, oxalic acid, soil temperature-100 and water; Wherein, the parts by weight proportioning of described each composition is:
1 part of 3 parts of wood acid of citric acid
2 parts of 2 parts of FUMARIC ACID TECH GRADE of xanthohumic acid
2 parts of 3 parts of tetra-sodiums of humic acid
2 parts of 2 parts of propionic acid of oxysuccinic acid
3 parts of 2 parts of humic acids of maleic acid
1 part of 3 parts of gala acid of L-tartrate
2 parts of 2 parts of oxalic acid of Whitfield's ointment
60 parts in soil temperature-100 5 part water
The preparation method of saline-alkali soil conditioner of the present invention comprises earlier the water of adding 40 umbers in the reactor, when being heated to 50 ℃, in reactor, add citric acid, wood acid, xanthohumic acid, FUMARIC ACID TECH GRADE, humic acid, tetra-sodium, oxysuccinic acid, maleic acid, humic acid, L-tartrate, propionic acid, gala acid, Whitfield's ointment and oxalic acid successively, thorough mixing 50 minutes; Under 50 ℃ condition, add emulsifying agent soil temperature-100, thorough mixing is 15 minutes then; Water is adjusted to 100 parts and gets final product.
Claims (2)
1, a kind of saline-alkali soil conditioner is characterized in that containing citric acid, wood acid, xanthohumic acid, FUMARIC ACID TECH GRADE, humic acid, tetra-sodium, oxysuccinic acid, maleic acid, humic acid, L-tartrate, propionic acid, gala acid, Whitfield's ointment, oxalic acid, soil temperature-100 and water; Wherein, the parts by weight proportioning of described each composition is:
Citric acid 2-4 part wood acid 1-2 part
Xanthohumic acid 1-3 part FUMARIC ACID TECH GRADE 1-3 part
Humic acid 2-4 part tetra-sodium 1.5-3 part
Oxysuccinic acid 1-3 part propionic acid 2.5-4 part
Maleic acid 1.2-4.5 part humic acid 2.5-5 part
L-tartrate 0.8-2 part gala acid 1-3 part
Whitfield's ointment 0.5-2 part oxalic acid 1.5-3 part
Soil temperature-100 3-7 part water is adjusted to 100 parts
2, the preparation method of saline-alkali soil conditioner as claimed in claim 1, the water that it is characterized in that comprising earlier adding 20-40 umber in the reactor, when being heated to 45-50 ℃, in reactor, add citric acid, wood acid, xanthohumic acid, FUMARIC ACID TECH GRADE, humic acid, tetra-sodium, oxysuccinic acid, maleic acid, humic acid, L-tartrate, propionic acid, gala acid, Whitfield's ointment and oxalic acid successively, thorough mixing 40-60 minute; Under 45-50 ℃ condition, add emulsifying agent soil temperature-100, thorough mixing 10-25 minute then; Water is adjusted to 100 parts and gets final product.
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| CN00100436A CN1100842C (en) | 2000-01-31 | 2000-01-31 | Saline-alkali soil improving agent and its preparation method |
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|---|---|---|---|
| CN00100436A CN1100842C (en) | 2000-01-31 | 2000-01-31 | Saline-alkali soil improving agent and its preparation method |
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| CN1100842C CN1100842C (en) | 2003-02-05 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306007C (en) * | 2000-03-15 | 2007-03-21 | 大崎建设株式会社 | Soil improving agent including soil hardening agent and ground improving agent soil improving method including soil hardening method and ground |
| CN1319457C (en) * | 2005-02-06 | 2007-06-06 | 山东省农业科学院土壤肥料研究所 | Plant salt-resisting agent, and its preparing and use method |
| CN100408653C (en) * | 2005-03-11 | 2008-08-06 | 吉林农业大学 | Biological soil activating agent |
| CN102277174A (en) * | 2011-06-30 | 2011-12-14 | 李学麒 | Soil improving medium for saline-alkali land and preparation method thereof |
| CN102517030A (en) * | 2011-11-07 | 2012-06-27 | 孙东军 | Saline-alkali soil improver |
| CN102559196A (en) * | 2012-01-10 | 2012-07-11 | 路振国 | Soda saline-alkali soil conditioner and preparing method thereof |
| CN102701855A (en) * | 2012-06-13 | 2012-10-03 | 方宁 | Fertilizer produced by using coal special for improving humic acid salt licks |
| CN102766468A (en) * | 2012-06-20 | 2012-11-07 | 杨德志 | Saline-alkali soil modifier, and preparation method and application thereof |
| CN102910983A (en) * | 2011-08-01 | 2013-02-06 | 北京丹路实业公司 | Technology of improving saline-alkaline soil with microbe fertilizer |
| CN102918971A (en) * | 2012-10-22 | 2013-02-13 | 中国科学院东北地理与农业生态研究所 | Ridging sowing method for improving corn yield of saline-alkali soils |
| CN103563516A (en) * | 2012-08-03 | 2014-02-12 | 天津市北方园林生态科学技术研究所 | Method for improving saline-alkali soil as cultivated soil |
| CN104876771A (en) * | 2015-05-19 | 2015-09-02 | 潍坊友容实业有限公司 | High-iron-chelate fertilizer for saline-alkali soil and application thereof in Acer mono planting |
| CN104876726A (en) * | 2015-05-19 | 2015-09-02 | 潍坊友容实业有限公司 | Fertilizer containing rare earth elements for saline-alkali soil and application thereof in pond cypress planting |
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| CN105110907A (en) * | 2015-08-11 | 2015-12-02 | 新疆农业科学院土壤肥料与农业节水研究所 | Soil phosphorus activator and preparation method therefor |
| CN105623672A (en) * | 2016-02-23 | 2016-06-01 | 新疆泰谷生物肥料有限公司 | Soda saline-alkali land soil conditioner and preparation method and application thereof |
| CN106034451A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Method for carrying out original-soil cultivation on mild saline-alkaline land by adopting organic matters containing rice chaff ash |
| CN106416488A (en) * | 2016-08-29 | 2017-02-22 | 山东胜伟园林科技有限公司 | Method for intercropping jerusalem artichokes and oats for improving saline alkali soil in band of river area |
| CN109082279A (en) * | 2018-11-09 | 2018-12-25 | 刘景岳 | A kind of high-effective saline-alkali soil conditioner and preparation method thereof |
| CN113912453A (en) * | 2021-11-26 | 2022-01-11 | 中国农业科学院农业资源与农业区划研究所 | Synergistic phosphate fertilizer suitable for alkaline soil and preparation method and application thereof |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306007C (en) * | 2000-03-15 | 2007-03-21 | 大崎建设株式会社 | Soil improving agent including soil hardening agent and ground improving agent soil improving method including soil hardening method and ground |
| CN1319457C (en) * | 2005-02-06 | 2007-06-06 | 山东省农业科学院土壤肥料研究所 | Plant salt-resisting agent, and its preparing and use method |
| CN100408653C (en) * | 2005-03-11 | 2008-08-06 | 吉林农业大学 | Biological soil activating agent |
| CN102277174A (en) * | 2011-06-30 | 2011-12-14 | 李学麒 | Soil improving medium for saline-alkali land and preparation method thereof |
| CN102910983B (en) * | 2011-08-01 | 2014-12-24 | 北京丹路实业公司 | Technology of improving saline-alkaline soil with microbe fertilizer |
| CN102910983A (en) * | 2011-08-01 | 2013-02-06 | 北京丹路实业公司 | Technology of improving saline-alkaline soil with microbe fertilizer |
| CN102517030A (en) * | 2011-11-07 | 2012-06-27 | 孙东军 | Saline-alkali soil improver |
| CN102559196B (en) * | 2012-01-10 | 2014-11-05 | 乌鲁木齐红都嘉业生物科技有限公司 | Soda saline-alkali soil conditioner and preparing method thereof |
| CN102559196A (en) * | 2012-01-10 | 2012-07-11 | 路振国 | Soda saline-alkali soil conditioner and preparing method thereof |
| CN102701855A (en) * | 2012-06-13 | 2012-10-03 | 方宁 | Fertilizer produced by using coal special for improving humic acid salt licks |
| CN102701855B (en) * | 2012-06-13 | 2014-04-16 | 方宁 | humic acid Fertilizer produced by using coal special for improving saline-alkali soil |
| CN102766468A (en) * | 2012-06-20 | 2012-11-07 | 杨德志 | Saline-alkali soil modifier, and preparation method and application thereof |
| CN102766468B (en) * | 2012-06-20 | 2015-05-20 | 杨德志 | Saline-alkali soil modifier, and preparation method and application thereof |
| CN103563516A (en) * | 2012-08-03 | 2014-02-12 | 天津市北方园林生态科学技术研究所 | Method for improving saline-alkali soil as cultivated soil |
| CN102918971A (en) * | 2012-10-22 | 2013-02-13 | 中国科学院东北地理与农业生态研究所 | Ridging sowing method for improving corn yield of saline-alkali soils |
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| CN104876726A (en) * | 2015-05-19 | 2015-09-02 | 潍坊友容实业有限公司 | Fertilizer containing rare earth elements for saline-alkali soil and application thereof in pond cypress planting |
| CN104876771A (en) * | 2015-05-19 | 2015-09-02 | 潍坊友容实业有限公司 | High-iron-chelate fertilizer for saline-alkali soil and application thereof in Acer mono planting |
| CN105110907A (en) * | 2015-08-11 | 2015-12-02 | 新疆农业科学院土壤肥料与农业节水研究所 | Soil phosphorus activator and preparation method therefor |
| CN105623672A (en) * | 2016-02-23 | 2016-06-01 | 新疆泰谷生物肥料有限公司 | Soda saline-alkali land soil conditioner and preparation method and application thereof |
| CN106034451A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Method for carrying out original-soil cultivation on mild saline-alkaline land by adopting organic matters containing rice chaff ash |
| CN106416488A (en) * | 2016-08-29 | 2017-02-22 | 山东胜伟园林科技有限公司 | Method for intercropping jerusalem artichokes and oats for improving saline alkali soil in band of river area |
| CN109082279A (en) * | 2018-11-09 | 2018-12-25 | 刘景岳 | A kind of high-effective saline-alkali soil conditioner and preparation method thereof |
| CN114213187A (en) * | 2021-11-05 | 2022-03-22 | 宁夏六盘山生态园林有限公司 | Light and medium saline-alkali soil garden seedling planting curing agent |
| CN113912453A (en) * | 2021-11-26 | 2022-01-11 | 中国农业科学院农业资源与农业区划研究所 | Synergistic phosphate fertilizer suitable for alkaline soil and preparation method and application thereof |
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