CN104591871A - Ecological potassium fertilizer and preparation method thereof - Google Patents
Ecological potassium fertilizer and preparation method thereof Download PDFInfo
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- CN104591871A CN104591871A CN201410823961.2A CN201410823961A CN104591871A CN 104591871 A CN104591871 A CN 104591871A CN 201410823961 A CN201410823961 A CN 201410823961A CN 104591871 A CN104591871 A CN 104591871A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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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
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- Life Sciences & Earth Sciences (AREA)
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- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention belongs to the field of crops fertilizers and in particular relates to an ecological potassium fertilizer and a preparation method of the ecological potassium fertilizer. The ecological potassium fertilizer is mainly prepared from potassium sulfate, pine bark, humic acid, urea and natural minerals. The pine bark is treated firstly to remove substances harm to the crops, and then the treated pine bark is mixed with potassium sulfate, humic acid, urea and natural minerals to obtain the ecological potassium fertilizer. The ecological potassium fertilizer mainly adopts natural organic matters and is environment-friendly, the quick-acting fertilizer can be provided for promoting the rapid growth of the crops, and the loss of a great amount of potassic fertilizer in soil can be avoided; and besides, the soil is improved, the soil caking phenomenon is improved, the organic matters in the soil are increased, the microorganism activity is improved, the stress-resistant and disease-resistant capability of the crops is improved, the successive cropping obstacle can be relieved after the fertilizer is applied year by year, the quality of agricultural products is improved, the environment pollution is reduced, and the ecological potassium fertilizer is safe and non-toxic to human, livestock and environment and is environment-friendly.
Description
Technical field
The invention belongs to the fertilizer field of farm crop, more precisely relate to a kind of environmental potash fertilizer and preparation method thereof.
Background technology
Along with increasing of world population, grain yield problem is an important topic in agriculture production.In order to improve grain yield, the use of chemical fertilizer is essential, is mainly the use of N P and K in chemical fertilizer.Nitrogenous fertilizer part in soil is absorbed by crops, another part can produce leaching by nitrogenous fertilizer especially nitrate and run off in soil, or generate the GN 2 emissions of oxides in air by nitrification, severe contamination is caused to water body, pollution in various degree is also created to air simultaneously.Potash fertilizer exists with the form of ion at soil, and potash fertilizer small part is absorbed by crops, and rest part leaching runs off, and the calcium ion in its subsidiary sulfate radical or chlorion and soil forms calcium sulfate or calcium chloride, reduce calcium contents in soil, cause soil compaction, reduce soil fertility.The transfer rate of phosphoric acid in soil is low, and the metal ion of phosphoric acid easily and in soil forms insoluble phosphoric acid salt, causes soil compaction; The easy leaching of titanium pigment runs off, and polluted-water, causes body eutrophication.Therefore the not scientifical use of chemical fertilizer has caused natural ecological environment pollution in various degree and destruction.Food safety has become an important topic of current livelihood issues, people to the serious hope of pollution-free ecological environment and the demand of green food more and more urgent.
Ecological fertilizer is a kind of environmental friendly fertilizer, and it contains a large amount of organic matters, can promote the activity of Soil Microorganism in being manured into soil, strengthen the degeneration-resistant resistance against diseases of crop, reduce continuous cropping, use year after year and greatly can alleviate continuous cropping obstacle, promote quality of agricultural product; Also can improve Soil structure, increase the porosity of soil, keep soil from packing together; Water loss and evaporation can be reduced simultaneously, alleviate arid pressure, fertilizer conservation, minimizing chemical fertilizer, alleviate saline and alkaline infringement, promote soil fertility, reach while nutrition is provided, improve the effect of soil.
Potash fertilizer is one of large nutritive element of three needed for crop, and plays a very important role the growth of crop, at present in order to improve the utilization ratio of potash fertilizer, improving soil, having occurred some ecological potash fertilizer.Chinese invention patent publication number CN103951509A discloses a kind of functional type agricultural ecological potash fertilizer and manufacture method thereof, this potash fertilizer is by potash fertilizer, calcium magnesium and plant nutriment regulator mix, and conditioning agent is for being mainly polyglutamic acid and humic acid, and trace element is natural oyster shells.Chinese invention patent publication number CN103113147A discloses a kind of ecological phosphorus potash fertilizer and preparation method thereof, and the core of this invention utilizes discarded phosphogypsum, furfural dregs, ammonium phosphate, the mixed fertilizer of potassium sulfate and ammonium sulfate composition.Chinese invention patent publication number CN102093131A discloses a kind of ecological organic potassium-selenium fertilizer, and this fertilizer is by potassium sulfate, and add amino acid, humic acid, brown sugar and zinc sulfate (selenium) mix gained.Environmental potash fertilizer described in above patent, the main organism or organic waste residues and potash fertilizer of adding of major part simply mixes, not to potash fertilizer as the pollution of potassium sulfate to soil or water body processes, potassium ion leaching is caused to run off, sulfate radical is because of its soil acidification or harden, microorganism and organic content few, the problems such as soil fertility reduction.
Summary of the invention
In order to solve the above problems, the present invention proposes a kind of environmental potash fertilizer.This environmental potash fertilizer, using potassium sulfate as potassium source, provides organic with the Cortex Pini containing high-content aldehydes matter, adds promotor and potassium sulfate organism in Cortex Pini is combined, prevent potash fertilizer to run off, improve the utilization ratio of potash fertilizer; Add sulfate radical poiser simultaneously, prevent calcium binding in sulfate radical and soil, cause soil compaction and barren.
The present invention further provides a kind of preparation method of environmental potash fertilizer, the method is processed Cortex Pini refinement again, remove wherein to the material of plant pest, then combine under the effect of promotor with potassium sulfate, generate a kind of environmentally friendly environmental potash fertilizer of high utilization rate.
A kind of environmental potash fertilizer of the present invention, is characterized in that: adopt the Cortex Pini being rich in aldehydes matter to provide organic in this environmental potash fertilizer, add sulfate radical poiser and balance sulfate radical, its constitutive material is following weight part:
Cortex Pini: 30-40 part,
Potassium sulfate: 25 ~ 40 parts,
Urea: 5 ~ 10 parts,
Humic acid: 5 ~ 10 parts,
Mineral clay: 5 ~ 10 parts,
Sulfate radical poiser: 5 ~ 10 parts,
Bark fermentation assistant: 3 ~ 5 parts,
Promotor: 1 ~ 5 part,
Cortex Pini described above contains abundant phenol organic matter, can promote the growth of crop, and wherein also containing, for example wax layer, rosin, lignocellulose, tannin, pectin, the materials such as water-soluble polysaccharide, pH stablizes, EC content is low, and the constituent contents such as N, P, K, Ca, Mg are high, can provide nutritive substance for crop, wherein high-content carbide, energy can be provided for soil microorganisms, supply Crop simultaneously, promote the photosynthesis of crop and organic synthesis.Organism in Cortex Pini can reduce the surface tension in soil, increases the crumb structure of soil, improves soil compaction state, increases the porosity of soil, improves Soil Microorganism active, promotes that microorganism is to the decomposition of organic matter, promotes plant growth.Cortex Pini is because of containing a large amount of lignocelluloses, and its porosity is large, has very strong absorption property, can trace element in absorbed portion potassium ion and soil, stores fertility, improves the utilization ratio of potash fertilizer; To moisture, also there is good sorption simultaneously, can preserve moisture and fertility, improve soil, preserve the ecological environment.
Humic acid described above can be soil and provides organic, contain the abundant microbial bacteria useful to soil in humic acid simultaneously, hardening of soil can be improved, improve the permeability of soil, promote that crop is to the absorption of nutritive ingredient, organic substance decomposing residual in soil is impelled to transform, for crop provides nutrition.
Mineral clay described above is any one or a few mixture in following material: kaolin, diatom ooze, montmorillonite, attapulgite.Containing a large amount of mine trace elements in this mineral clay, can Crop be supplied, promote the quality of agricultural-food, micelle in soil can be increased simultaneously, promote that soil is to the absorption of nutritive element, improves the fertilizer-preserving ability of soil.
Sulfate radical poiser described above is the mixture of medical stone and Wingdale, and ratio both it is medical stone: Wingdale=2 ~ 4:1.Medical stone is natural mineral, and its aqueous solution shows weakly alkaline, and its pH value is 8 ~ 8.4, in acid soil, sulfate radical effectively can be prevented to be combined with hydrogen ion and generate sulfuric acid, soil acidity be strengthened, the growth of unfavorable crop.It contains abundant major element, trace element and rare earth element, can provide Crop, promotes plant growth, promotes quality of agricultural product, nontoxic to crop; Medical stone also has absorption property, can adsorb, prevent heavy metal contamination underground water source to the heavy metal in soil.Calcium in Wingdale is combined with sulfate radical, can generate the calcium sulfate of microsolubility, reduces the sulfate radical in soil, residual sulphate in soil is reached and adapts to crop scope.Medical stone and Wingdale, jointly to sulfate radical effect, reduce sulfate radical to the acidifying of soil, reduce sulfate radical content, for soil provides medium trace element, promote soil fertility.
In bark fermentation assistant described above, main containing organism of fermentation microbial inoculum, bark fully ferments Sum decomposition by microorganism, the composition such as PHENOL 99.8 MIN ((CARBOLIC ACID)), tannic acid harmful to plant-growth can be removed, promote the fermentation of bark, strengthen the physicals of tunning, promote plant growth, ecological, environmental protective.
Promotor described above is one or more mixtures in following material: citric acid, oxysuccinic acid, acetic acid, poly(lactic acid).This promotor is the ecotypic natural polymer of environmental friendliness, can promote that the organic matter in potassium ion and Cortex Pini combines, prevent the loss of potassium ion, improves the utilization ratio of potassium ion, reaches the effect that joint is fertile.
A kind of environmental potash fertilizer of the present invention, is characterized in that: its preparation method comprises the following steps:
(1), disintegrating cutter is utilized Cortex Pini to be cut to particle diameter for 1cm ~ 5cm, for subsequent use;
(2), by the Cortex Pini after cut in step (1) put into stirrer, add urea and bark fermentation assistant, humic acid fully mixes;
(3), by the mixture in step (2) be placed in fermentation vat, regulate the solid-to-liquid ratio of compound, water content is reached, 45% ~ 50%, add pH adjusting agent, adjust ph is 5 ~ 5.5, and setting leavening temperature is 45 ~ 50 DEG C, ferments with this understanding 2 ~ 3 days;
(4), by potassium sulfate, mineral clay and promotor are added in the fermented product of step (3), stir, and continue fermentation 5 ~ 8 days;
(5), by gained fermented product in step (4) carry out drying, then add after sulfate radical poiser mixes, obtain a kind of environmental potash fertilizer.
PH adjusting agent available hydrogen sodium oxide described in above-mentioned steps (3) or sodium hydrogen carbonate solution regulate.
A kind of environmental potash fertilizer of the present invention and preparation method thereof, utilize the Cortex Pini of high organism and absorption property as potassium sulfate fertilizers main carriers, fertilizer and inorganic fertilizer are combined, potash fertilizer effectively can be prevented to be leached and to run off and surrounded by soil mesosilicic acid salt fixing, can sustained release performance be reached simultaneously, improve the utilization ratio of potash fertilizer.Can be again plant provides medium trace element simultaneously, and its absorption property can absorb moisture, and preserves, and can reach water conservation object.This fertilizer also can increase the crumb structure of soil, improves hardening of soil, increases the transparent performance of soil, promotes soil microorganisms and plant root activity, promotes that crop is to the absorption of nutrient, strengthens the degeneration-resistant disease resistance of crop, promotes the quality of crop.The present invention also can prevent heavy metal contamination underground water source, reduces the sulfate radical in soil, residual sulphate in soil is reached and adapts to crop scope, reduces sulfate radical to the acidifying of soil, promotes soil fertility.
A kind of environmental potash fertilizer of the present invention and preparation method thereof, its outstanding feature and beneficial effect are:
1, the environmentally friendly Cortex Pini being rich in aldehydes matter is utilized to provide organic, be combined with potash fertilizer, prevent the leaching of potash fertilizer to run off, the object of potash fertilizer slow releasing can be reached, improve the utilization ratio of potash fertilizer, improve soil compaction situation, increase the crumb structure of soil, improve Soil Microorganism active, strengthen the degeneration-resistant disease resistance of crop, promote the quality of crop, increase organic carbon content in soil, promote soil fertility.
2, the present invention can reduce the amount of sulfate radical in soil, residual sulphate in soil can be made to reach and to adapt to crop scope, prevent sulfate radical and metal ion from generating micro-soluble material, cause soil compaction and soil depletion, reduce sulfate radical to the acidifying of soil, promote soil fertility.
3, the present invention has water absorbing properties, can preserve the moisture of absorption, reaches the object of water conservation; Heavy metal ion simultaneously also in adsorbable soil, prevents heavy metal contamination underground water.
4, material that the present invention adopts is environmentally friendly material, can not to environment, and life-time service can environmental protect pollution situation, and the present invention simultaneously produces simple and direct, can be applicable to large-scale production.
Embodiment
Below by way of embodiment, the present invention is described in further detail, but should not be construed as scope authority of the present invention and be only limitted to following example.
embodiment 1
A kind of environmental potash fertilizer, its each material consists of following weight part:
Cortex Pini 40 parts, potassium sulfate 25 parts, 10 parts, urea, humic acid 8 parts, mineral clay 7 parts, sulfate radical poiser 5 parts, bark starter 3 parts, promotor 2 parts.
Wherein in sulfate radical poiser, ratio is medical stone: Wingdale=2:1, and mineral clay is kaolin, and promotor is citric acid.
The preparation method of environmental potash fertilizer, comprises the following steps:
(1), disintegrating cutter is utilized Cortex Pini to be cut to particle diameter for 1cm ~ 5cm, for subsequent use;
(2), by the Cortex Pini after cut in step (1) put into stirrer, add urea and bark fermentation assistant, humic acid fully mixes;
(3), by the mixture in step (2) be placed in fermentation vat, regulate the solid-to-liquid ratio of compound, water content is reached, 45% ~ 50%, add pH adjusting agent, adjust ph is 5 ~ 5.5, and setting leavening temperature is 45 ~ 50 DEG C, ferments with this understanding 2 ~ 3 days;
(4), by potassium sulfate, mineral clay and promotor are added in the fermented product of step (3), stir, and continue fermentation 5 ~ 8 days;
(5), by gained fermented product in step (4) carry out drying, then add after sulfate radical poiser mixes, obtain a kind of environmental potash fertilizer.
embodiment 2
A kind of environmental potash fertilizer, its each material consists of following weight part:
Cortex Pini 35 parts, potassium sulfate 30 parts, 5 parts, urea, humic acid 8 parts, mineral clay 8 parts, sulfate radical poiser 8 parts, bark starter 5 parts, promotor 1 part.
Wherein in sulfate radical poiser, ratio is medical stone: Wingdale=3:1, and mineral clay is any ratio of diatom ooze and polynite, and promotor is poly(lactic acid).
The preparation method of environmental potash fertilizer, comprises the following steps:
(1), disintegrating cutter is utilized Cortex Pini to be cut to particle diameter for 1cm ~ 5cm, for subsequent use;
(2), by the Cortex Pini after cut in step (1) put into stirrer, add urea and bark fermentation assistant, humic acid fully mixes;
(3), by the mixture in step (2) be placed in fermentation vat, regulate the solid-to-liquid ratio of compound, water content is reached, 45% ~ 50%, add pH adjusting agent, adjust ph is 5 ~ 5.5, and setting leavening temperature is 45 ~ 50 DEG C, ferments with this understanding 2 ~ 3 days;
(4), by potassium sulfate, mineral clay and promotor are added in the fermented product of step (3), stir, and continue fermentation 5 ~ 8 days;
(5), by gained fermented product in step (4) carry out drying, then add after sulfate radical poiser mixes, obtain a kind of environmental potash fertilizer.
embodiment 3
A kind of environmental potash fertilizer, its each material consists of following weight part:
Cortex Pini 30 parts, potassium sulfate 40 parts, 5 parts, urea, humic acid 10 parts, mineral clay 5 parts, sulfate radical poiser 5 parts, bark starter 4 parts, promotor 1 part.
Wherein in sulfate radical poiser, ratio is medical stone: Wingdale=4:1, and mineral clay is attapulgite, and promotor is acetic acid.
The preparation method of environmental potash fertilizer, comprises the following steps:
(1), disintegrating cutter is utilized Cortex Pini to be cut to particle diameter for 1cm ~ 5cm, for subsequent use;
(2), by the Cortex Pini after cut in step (1) put into stirrer, add urea and bark fermentation assistant, humic acid fully mixes;
(3), by the mixture in step (2) be placed in fermentation vat, regulate the solid-to-liquid ratio of compound, water content is reached, 45% ~ 50%, add pH adjusting agent, adjust ph is 5 ~ 5.5, and setting leavening temperature is 45 ~ 50 DEG C, ferments with this understanding 2 ~ 3 days;
(4), by potassium sulfate, mineral clay and promotor are added in the fermented product of step (3), stir, and continue fermentation 5 ~ 8 days;
(5), by gained fermented product in step (4) carry out drying, then add after sulfate radical poiser mixes, obtain a kind of environmental potash fertilizer.
A kind of environmental potash fertilizer of the present invention, its fertilizer efficiency use result is:
| Experiment process | Use crop | Amount of application (100 kilograms of output) | Result of use | Output |
| Controlled trial | Grape | Potassium sulfate 40 kilograms | Use after 100 days, blade starts browning look | Normally |
| Experiment one | Grape | The present invention 23 kilograms | Use after 100 days, blade is normal | Be 15% with contrast ratio grape yield increasing amount |
| Experiment two | Grape | The present invention 20 kilograms | Use after 100 days, blade is normal, | Be 14.2% with contrast ratio grape yield increasing amount |
| Experiment three | Grape | The present invention 20 kilograms | Use after 100 days, blade is normal | Be 16.8% with contrast ratio grape yield increasing amount |
Claims (3)
1. an environmental potash fertilizer, is characterized in that: adopt the Cortex Pini being rich in aldehydes matter to provide organic in this environmental potash fertilizer, add sulfate radical poiser and balance sulfate radical, its constitutive material is following weight part:
Cortex Pini: 30-40 part,
Potassium sulfate: 25 ~ 40 parts,
Urea: 5 ~ 10 parts,
Humic acid: 5 ~ 10 parts,
Mineral clay: 5 ~ 10 parts,
Sulfate radical poiser: 5 ~ 10 parts,
Bark fermentation assistant: 3 ~ 5 parts,
Promotor: 1 ~ 5 part,
Wherein said sulfate radical poiser is the mixture of medical stone and Wingdale, and ratio both it is medical stone: Wingdale=2 ~ 4:1; Described promotor is one or more mixtures in following material: citric acid, oxysuccinic acid, acetic acid, poly(lactic acid).
2., according to the environmental potash fertilizer of the one described in claim 1, it is characterized in that: described mineral clay is any one or a few mixture in following material: kaolin, diatom ooze, montmorillonite, attapulgite.
3. the preparation method of a kind of environmental potash fertilizer as claimed in claim 1, is characterized in that: have following steps:
(1), pulverizer is utilized Cortex Pini to be crushed to particle diameter for 1cm ~ 5cm, for subsequent use;
(2), by step (1) put into stirrer by the Cortex Pini after pulverizing, add urea and bark fermentation assistant, humic acid fully mixes;
(3), the mixture in step (2) is placed in fermentation vat, regulate the solid-to-liquid ratio of compound, water content is reached, 45% ~ 50%, add pH adjusting agent, adjust ph is 5 ~ 5.5, and setting leavening temperature is 45 ~ 50 DEG C, ferments with this understanding 2 ~ 3 days, add potassium sulfate again, mineral clay and promotor, in fermented product, stir, and continue fermentation 5 ~ 8 days;
(4), by gained fermented product in step (4) carry out drying, then add after sulfate radical poiser mixes, obtain a kind of environmental potash fertilizer.
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| CN201410823961.2A CN104591871A (en) | 2014-12-26 | 2014-12-26 | Ecological potassium fertilizer and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670637A (en) * | 2016-01-11 | 2016-06-15 | 济南康众医药科技开发有限公司 | New use of montmorillonite |
| CN106431554A (en) * | 2015-08-05 | 2017-02-22 | 铜仁市万山区盛和矿业有限责任公司 | Special cereal potassium fertilizer prepared by using natural potash ore, and preparation method thereof |
| CN110226455A (en) * | 2019-06-05 | 2019-09-13 | 广西壮族自治区农业科学院微生物研究所 | A kind of method of pure eucalyptus barks as major ingredient cultivating straw mushroom |
| CN112385351A (en) * | 2020-12-03 | 2021-02-23 | 湖南科技大学 | Ecological improvement method of saline-alkali soil |
| CN115011356A (en) * | 2022-06-14 | 2022-09-06 | 中化环境修复(上海)有限公司 | Composition with function of repairing heavy metal contaminated soil and application thereof |
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| CN1275554A (en) * | 1999-05-31 | 2000-12-06 | 第五思军 | High potassium organic compound fertilizer and making method thereof |
| CN102584415A (en) * | 2011-01-17 | 2012-07-18 | 曹聿哲 | Medical stone dual-effect multi-element organic fertilizer and preparation method thereof |
| CN103951509A (en) * | 2014-04-28 | 2014-07-30 | 烟台众德集团有限公司 | Functional ecological potash fertilizer for agriculture and preparation method thereof |
| CN104030783A (en) * | 2014-05-13 | 2014-09-10 | 马鞍山市心洲葡萄专业合作社 | Organic-inorganic compounded sustained-release fertilizer capable of enhancing soil activity |
| CN104151069A (en) * | 2014-07-31 | 2014-11-19 | 青岛扎西生物科技有限公司 | Special bio-fertilizer for soybeans |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1275554A (en) * | 1999-05-31 | 2000-12-06 | 第五思军 | High potassium organic compound fertilizer and making method thereof |
| CN102584415A (en) * | 2011-01-17 | 2012-07-18 | 曹聿哲 | Medical stone dual-effect multi-element organic fertilizer and preparation method thereof |
| CN103951509A (en) * | 2014-04-28 | 2014-07-30 | 烟台众德集团有限公司 | Functional ecological potash fertilizer for agriculture and preparation method thereof |
| CN104030783A (en) * | 2014-05-13 | 2014-09-10 | 马鞍山市心洲葡萄专业合作社 | Organic-inorganic compounded sustained-release fertilizer capable of enhancing soil activity |
| CN104151069A (en) * | 2014-07-31 | 2014-11-19 | 青岛扎西生物科技有限公司 | Special bio-fertilizer for soybeans |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106431554A (en) * | 2015-08-05 | 2017-02-22 | 铜仁市万山区盛和矿业有限责任公司 | Special cereal potassium fertilizer prepared by using natural potash ore, and preparation method thereof |
| CN105670637A (en) * | 2016-01-11 | 2016-06-15 | 济南康众医药科技开发有限公司 | New use of montmorillonite |
| CN110226455A (en) * | 2019-06-05 | 2019-09-13 | 广西壮族自治区农业科学院微生物研究所 | A kind of method of pure eucalyptus barks as major ingredient cultivating straw mushroom |
| CN110226455B (en) * | 2019-06-05 | 2021-08-17 | 广西壮族自治区农业科学院微生物研究所 | Method for cultivating straw mushroom by using pure eucalyptus bark as main material |
| CN112385351A (en) * | 2020-12-03 | 2021-02-23 | 湖南科技大学 | Ecological improvement method of saline-alkali soil |
| CN115011356A (en) * | 2022-06-14 | 2022-09-06 | 中化环境修复(上海)有限公司 | Composition with function of repairing heavy metal contaminated soil and application thereof |
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