CN103964945A - Method for preparing water-soluble fertilizer containing humic acid - Google Patents
Method for preparing water-soluble fertilizer containing humic acid Download PDFInfo
- Publication number
- CN103964945A CN103964945A CN201410157087.3A CN201410157087A CN103964945A CN 103964945 A CN103964945 A CN 103964945A CN 201410157087 A CN201410157087 A CN 201410157087A CN 103964945 A CN103964945 A CN 103964945A
- Authority
- CN
- China
- Prior art keywords
- water
- humic acid
- peat
- add
- acid
- 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.)
- Pending
Links
Landscapes
- Fertilizers (AREA)
Abstract
The invention discloses a method for preparing a water-soluble fertilizer containing humic acid. The method mainly comprises the following steps: pre-treating peat, extracting humic acid from the pre-treated peat, and adding dissolved urea, monopotassium phosphate, boric acid, ammonium molybdate and microelements subjected to complexation; the water-soluble fertilizer containing humic acid, prepared withthe method provided by the invention, is complete and balanced in nutrition, good in suspension property, and convenient to apply. The results of a field trial prove that the yield of cucumbers, to which the water-soluble fertilizer containing humic acid is applied, is higher than that of a comparison group, the input-output ratio of an area, to which the water-soluble fertilizer containing humic acid is applied, is 1:9.22, and the input-output ratio of an area, to which the water and conventional fertilizer are applied, is 1:5.23.
Description
Technical field
The present invention relates to a kind of preparation method of agricultural fertilizer, relate in particular to a kind of preparation method of the water soluble fertilizer containing humic acid.
Background technology
Humic acid is the family macromolecule material extensively existing in physical environment.Be that plant and animal residues forms by complicated biology, chemical action, account for 50%～80% of soil and hydrosphere ecosystem total organic matter.Its complex structure, with various active functional group, can interact with many organism, inorganics, is one of important factor affecting at agricultural chemicals behavior and home to return in edatope.Natural humus acid is extensively present among soil, river silt, oceanic sediment, brown coal and weathered coal.Humic acid is purposes widely, has been applied to all respects such as industry, agricultural, medical science, environment protection.
At present, the water-soluble fertilizer that contains humic acid is widespread use in agricultural, in use, finding, there is following problem in the water-soluble fertilizer that contains humic acid of prior art: the one, and many humic acid fertilizers mainly be take humic acid and macroelement as main, have ignored the interpolation of several trace elements.Current Farmers is all relatively paid attention to the use of macroelement fertilizer, and trace element is few because of its consumption, and is ignored by people, but the effect of trace element is that macroelement can not replace, thereby affects the final output of crop.The 2nd, some has directly added trace element in humic acid, generates flocculation but potassium humate or sodium humate can react with acid trace element materials, and then forms precipitation, and humic acid and trace element have become invalid state, have caused great waste; Precipitation also can be stopped up the shower nozzle of atomizer in addition, is unfavorable for that peasant uses.
Summary of the invention
The object of the invention is for the above problem existing in prior art, a kind of preparation method of the water soluble fertilizer containing humic acid is provided, not only comprehensive nutrition is balanced for the water soluble fertilizer containing humic acid that method is produced thus, and suspension is good, is convenient to spray.
The object of the invention is to be achieved through the following technical solutions, the preparation method that should contain the water soluble fertilizer of humic acid comprises the following steps:
1. the pre-treatment of peat, gets the peat of 20-50kg after air-dry, adds the nitric acid (HNO of 1.5mol/L
3) 4000-6000ML, in the water-bath of 70-90 ℃, heat after 1-2 hour, with the centrifugal 15-30 minute of 4000r/min, take out solid and dry;
2. take through pretreated solid peat 30-40kg, put into container, add water 160-200kg, add the potassium hydroxide 3-6kg of extraction agent 90%, temperature remains between 50～70 ℃, sizes mixing and extracts 3～5 hours; On whizzer, carry out centrifugally, filter out potassium humate solution;
3. by the urea of 40-60kg through dissolving, the potassium primary phosphate of 40-50kg, 6-10kg boric acid, 1-2kg ammonium molybdate join in the potassium humate solution that 2. step obtain;
4. complexing agent ethylenediamine tetraacetic acid (EDTA) 15-22kg is added after water 150-250kg dissolving, add the raw materials such as 50-70kg ferrous sulfate, 40-50kg copper sulfate, 15-25kg zinc sulfate, 15-25kg magnesium sulfate, 10-20 nitrocalcite, 10-15kg manganous sulfate, after heating and dissolving, join in the solution that 3. step obtain;
5. the material of above four steps being produced mixes in finished product preparing tank, and emulsification grinding was finished product after 3～5 hours under emulsification pump effect.
Described preferred step 1., get 40kg air-dry after containing humic acid be greater than 60% peat, add the nitric acid (HNO of 1.5mol/L
3) 5000mL, in the water-bath of 80 ℃, heat after 1.5h, with the centrifugal 20min of 4000r/min, take out solid and dry;
2. described preferred step, takes through pretreated solid peat 35kg, puts into container, adds water 180kg, adds the potassium hydroxide 5kg of extraction agent 90%, and temperature remains on 60 ℃, sizes mixing and extracts 4 hours; On whizzer, carry out centrifugally, filter out potassium humate solution;
3. described preferred step, in the potassium humate solution obtaining in 2., adds the urea of 50kg through dissolving, the potassium primary phosphate of 45kg, 8kg boric acid, 1.5kg ammonium molybdate in step;
Described preferred step 4., complexing agent ethylenediamine tetraacetic acid (EDTA) 18kg is added after water 180kg dissolving, add the raw materials such as 60kg ferrous sulfate, 45kg copper sulfate, 20kg zinc sulfate, 20kg magnesium sulfate, 15kg nitrocalcite, 12kg manganous sulfate, after heating and dissolving, join in the solution that 3. step obtain;
5., the material that 4. step is obtained carries out emulsification to described preferred step again, and emulsification made finished product after 4 hours.
Beneficial effect of the present invention:
1, due to peat has been carried out to pre-treatment, improved the amount of extracted humic acid from peat, particularly by test, found out under identical alkali-soluble acid analysis condition, the relation of nitric acid dosage and humic acid extracted amount, thus find out best nitric acid dosage, to obtain maximum humic acid extracted amount.
2, the present invention has not only added macroelement nitrogen, phosphorus, potassium in humic acid, also, by adding to again in humic acid solution after the use complexing agent complexings such as moderate-element calcium, magnesium and trace copper, iron, zinc, manganese, finally form humic acid fertilizer stable, comprehensive nutrition.Its key technical indexes is: humic acid: 50-70g/L, nitrogen, phosphorus, potassium: 60-120g/L, trace element (copper, iron, zinc, manganese, molybdenum, boron): 3-50g/L, PH value: 3-9.
Humic acid in peat contains various active group, easily there is complex reaction, wherein have with complexing of metal ion such as calcium, magnesium, iron, aluminium and generate and be insoluble in water, have and be combined soluble in water with potassium, sodium plasma, only have minute quantity to exist with free state, adopt alkali lye extracted humic acid, in alkaline medium, can by being insoluble in peat water with combined humus soluble in water, disposable complexing becomes humate soluble in water, thereby than more completely, humic acid is extracted, then by acid solution, humic acid is settled.
Unique distinction of the present invention is to carry out nitric acid pretreatment for peat, can significantly improve the amount of extracted humic acid from peat.Applicant, with in nitric acid pretreatment, tests the relation of nitric acid dosage and humic acid extracted amount, has found out best nitric acid dosage.
Test method:
Peat is dried, ground, cross 100 mesh sieves, take 10g peat in beaker, add 50mL alkali lye, in electric furnace top, add stirring 20min, cooling, centrifugal, isolate black residue, in black residue, add 50mL alkali lye, again heat, stirring, centrifugal.Collect the filtrate of twice, this filtrate is sodium humate solution.Regulate the pH value of sodium humate solution to 1-2, centrifugation, filtrate i.e. yellow bright xanthohumic acid solution, and tan solid is humic acid.Take out solid, dry recording quality.
In addition, for improving the extracted amount of humic acid, nitrated pretreated method is:
1. take the peat of 10 parts of 10g after air-dry in the beaker of 500mL, be divided into 2 groups, add respectively each 0mL of nitric acid, 10mL, 15mL, 20mL, 25mL, the 30mL of 1.5mol/L;
2. after 80 ℃ of water-bath heating 1h, with the centrifugal 20min of 4000r/min speed, take out solid and dry, all the other steps are the same.Test-results is in Table 1.
the impact of nitrated nitric acid dosage on humic acid extracted amount in table 1 pre-treatment
amount/the g of nitric acid dosage/ml extracted humic acid
0(is pre-treatment not) 2.412
10 2.515
15 2.596
20 2.917
25 2.601
30 2.522
As can be seen from Table 1, under same alkali-soluble acid analysis condition, carry out the extracted amount that nitric acid pretreatment can increase humic acid, its output improves approximately 5%, and this is because contain reductibility group in peat, and nitric acid can be oxidized to humic acid non-humic acid substance.Meanwhile, nitric acid dosage also directly has influence on the extracted amount of humic acid, evidence, and when the concentration of nitric acid is 1.5mol/L, when nitric acid dosage is 20mL, the extraction effect of humic acid is best.
Field test data
1, test materials
For trying fertilizer: the water-soluble fertilizer of humic acid that middle peasant Shun sky Eco-fertilizer industry company limited produces.
For studying thing: Shandong cucumber No. 8; Test site: head is passed through in east, Yi Wen town, Yinan County; Test soil: light loamy soil.
2, test method
This test arranges 3 processing. and every processing 3 times repeats, totally 9 communities, random alignment.Three tests are processed as follows: the water-soluble fertilizer+conventional fertilizer application of (1) humic acid; (2) water+conventional fertilizer application; (3) conventional fertilizer application.Other field management and base manure level (mu is executed the fertile 3000kg of the pigsty that becomes thoroughly decomposed) all require strict conformance, stop the difference that human factor causes.Community area is 30m
2.The water-soluble fertilizer of humic acid rushed altogether and executes 4 times in the cucumber phase of yielding positive results.
3, test results and analysis
1. the impact of different treatment on cucumber biological character
Through field observation, process 1, process 2 and process 3 and compare, all show as that plant strain growth gesture is strong, robust plant, growth be rapid.Especially process 1 comparatively obviously, show as well developed root system, leaf dark green, process 2 and process 3 no significant differences.This absolutely proves that punching executes the water-soluble fertilizer of humic acid and can obviously promote nourishing and growing of cucumber.
2. the impact of different treatment on cucumber yield
Table 1 is processed the cell production after cucumber results for each.Can find out, processing 1 increases 23kg and 47kg than processing 3 respectively with the cucumber yield of processing 2, improves 11.22% and 2.29%.Explanation thus, the water-soluble fertile cucumber yield of processing of humic acid that middle peasant Shun sky Eco-fertilizer industry company limited produces is processed apparently higher than other.
cucumber yield (the kg/30m of table 1 different treatment
2
)
Process 123 mean yields and process 3 increase output stimulation ratio %
1 233 224 228 228.0 23 11.2
2 206 210 213 209.7 4.7 2.3
3 201 209 205 205.5 - -
4, Economic and Efficiency Analysis
Market value during cucumber results is 1.20 yuan/kg; It is 15 yuan that the water-soluble fat price of humic acid is executed in each punching, add up to 6O unit for 4 times, calculate thus the input-output ratio of different fertilization: punching executes that the water-soluble fertile cucumber yield of processing of humic acid is the highest, per mu yield value is maximum, and secondly for processing 2, the output of control treatment 3 and per mu yield value are minimum.Wherein, the output of processing 1 is than processing 2 and process the 3 high 407.5 kg/ mus of difference and 5l1.14kg/ mus, and process 2, is more or less the same with the output of processing 3.Process 1 per mu yield value and have a net increase of respectively 553.37 yuan and 104.55 yuan than processing 2 with processing 3.It is 1:9.22 that the water-soluble fertile input ratio of processing of humic acid is executed in punching, and it is 1:5.23 that water+conventional fertilizer application is processed input ratio.
Embodiment
Embodiment mono-: the preparation method that should contain the water soluble fertilizer of humic acid comprises the following steps:
1. get 40kg air-dry after containing humic acid be greater than 60% peat, add the nitric acid (HNO of 1.5mol/L
3) 5000mL, in the water-bath of 80 ℃, heat after 1.5h, with the centrifugal 20min of 4000r/min, take out solid and dry;
2. take through pretreated solid peat 35kg, put into container, add water 180kg, add the potassium hydroxide 5kg of extraction agent 90%, temperature remains on 60 ℃, sizes mixing and extracts 4 hours; On whizzer, carry out centrifugally, filter out potassium humate solution;
3., in the potassium humate solution obtaining in 2. in step, add the urea of 50kg through dissolving, the potassium primary phosphate of 45kg, 8kg boric acid, 1.5kg ammonium molybdate;
4. complexing agent ethylenediamine tetraacetic acid (EDTA) 18kg is added after water 180kg dissolving, add the raw materials such as 60kg ferrous sulfate, 45kg copper sulfate, 20kg zinc sulfate, 20kg magnesium sulfate, 15kg nitrocalcite, 12kg manganous sulfate, after heating and dissolving, join in the solution that 3. step obtain;
5. the material 4. step being obtained carries out emulsification again, and emulsification made finished product after 4 hours.
Embodiment bis-: the preparation method that should contain the water soluble fertilizer of humic acid comprises the following steps:
1. get 50kg air-dry after containing humic acid be greater than 60% peat, add the nitric acid (HNO of 1.5mol/L
3) 6000mL, in the water-bath of 80 ℃, heat after 2h, with the centrifugal 30min of 4000r/min, take out solid and dry;
2. take through pretreated solid peat 40kg, put into container, add water 200kg, add the potassium hydroxide 6kg of extraction agent 90%, temperature remains on 60 ℃, sizes mixing and extracts 5 hours; On whizzer, carry out centrifugally, filter out potassium humate solution;
3., in the potassium humate solution obtaining in 2. in step, add the urea of 60kg through dissolving, the potassium primary phosphate of 50kg, 10kg boric acid, 2kg ammonium molybdate;
4. complexing agent ethylenediamine tetraacetic acid (EDTA) 22kg is added after water 250kg dissolving, add the raw materials such as 70kg ferrous sulfate, 50kg copper sulfate, 25kg zinc sulfate, 25kg magnesium sulfate, 20kg nitrocalcite, 15kg manganous sulfate, after heating and dissolving, join in the solution that 3. step obtain;
5. the material 4. step being obtained carries out emulsification again, and emulsification made finished product after 5 hours.
Claims (3)
1. contain a preparation method for the water soluble fertilizer of humic acid, it is characterized in that comprising the following steps:
1. the pre-treatment of peat, gets the peat of 20-50kg after air-dry, adds the nitric acid (HNO of 1.5mol/l
3) 4000-6000ML, in the water-bath of 70-90 ℃, heat after 1-2 hour, with the centrifugal 15-30 minute of 4000r/min, take out solid and dry;
2. take through pretreated solid peat 30-40kg, put into container, add water 160-200kg, add the potassium hydroxide 3-6kg of extraction agent 90%, temperature remains between 50～70 ℃, sizes mixing and extracts 3～5 hours; On whizzer, carry out centrifugally, filter out potassium humate solution;
3. by the urea of 40-60kg through dissolving, the potassium primary phosphate of 40-50kg, 6-10kg boric acid, 1-2kg ammonium molybdate join in the potassium humate solution that 2. step obtain;
4. complexing agent ethylenediamine tetraacetic acid (EDTA) 15-22kg is added after water 150-250kg dissolving, add the raw materials such as 50-70kg ferrous sulfate, 40-50kg copper sulfate, 15-25kg zinc sulfate, 15-25kg magnesium sulfate, 10-20 nitrocalcite, 10-15kg manganous sulfate, after heating and dissolving, join in the solution that 3. step obtain;
5. the material of above four steps being produced mixes in finished product preparing tank, and emulsification grinding was finished product after 3～5 hours under emulsification pump effect.
2. the preparation method of a kind of water soluble fertilizer containing humic acid as claimed in claim 1, is characterized in that step is 1. in the pre-treatment of peat, the peat after pre-treatment 10g is air-dry, and when the concentration of nitric acid is 1.5mol/L, nitric acid dosage is 20mL.
3. the preparation method of a kind of water soluble fertilizer containing humic acid as claimed in claim 1, is characterized in that described preferred: 1. get 40kg air-dry after containing humic acid be greater than 60% peat, add the nitric acid (HNO of 1.5mol/L
3) 5000mL, in the water-bath of 80 ℃, heat after 1.5h, with the centrifugal 20min of 4000r/min, take out solid and dry;
2. take through pretreated solid peat 35kg, put into container, add water 180kg, add the potassium hydroxide 5kg of extraction agent 90%, temperature remains on 60 ℃, sizes mixing and extracts 4 hours; On whizzer, carry out centrifugally, filter out potassium humate solution;
3., in the potassium humate solution obtaining in 2. in step, add the urea of 50kg through dissolving, the potassium primary phosphate of 45kg, 8kg boric acid, 1.5kg ammonium molybdate;
4. complexing agent ethylenediamine tetraacetic acid (EDTA) 18kg is added after water 180kg dissolving, add the raw materials such as 60kg ferrous sulfate, 45kg copper sulfate, 20kg zinc sulfate, 20kg magnesium sulfate, 15kg nitrocalcite, 12kg manganous sulfate, after heating and dissolving, join in the solution that 3. step obtain;
5. the material 4. step being obtained carries out emulsification again, and emulsification made finished product after 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157087.3A CN103964945A (en) | 2014-04-19 | 2014-04-19 | Method for preparing water-soluble fertilizer containing humic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157087.3A CN103964945A (en) | 2014-04-19 | 2014-04-19 | Method for preparing water-soluble fertilizer containing humic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103964945A true CN103964945A (en) | 2014-08-06 |
Family
ID=51235008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410157087.3A Pending CN103964945A (en) | 2014-04-19 | 2014-04-19 | Method for preparing water-soluble fertilizer containing humic acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103964945A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945197A (en) * | 2015-07-02 | 2015-09-30 | 成都市一心化工有限责任公司 | Method for producing copper potassium humate |
| CN104945198A (en) * | 2015-07-02 | 2015-09-30 | 成都市一心化工有限责任公司 | Method for producing humic acid magnesium sylvite |
| CN105237196A (en) * | 2015-10-08 | 2016-01-13 | 定远县蒋集镇丰润蔬菜种植专业合作社 | Cucumber fertilizer prepared from modified peat and preparation method thereof |
| CN105348003A (en) * | 2015-11-13 | 2016-02-24 | 南宁隆盛农业科技有限公司 | Water-soluble fertilizer for tea trees |
| CN105733596A (en) * | 2016-03-21 | 2016-07-06 | 中国科学院烟台海岸带研究所 | Soil conditioner for passivation of heavy metals and preparation method of soil conditioner |
| CN107827572A (en) * | 2017-11-25 | 2018-03-23 | 贵阳开磷化肥有限公司 | A kind of water soluble fertilizer for cucumbers and preparation method thereof |
| CN108911916A (en) * | 2018-08-01 | 2018-11-30 | 芜湖三月禾园艺设计有限公司 | A kind of flowers cladding humic acid biology base manure and preparation method thereof |
| CN110172007A (en) * | 2019-07-12 | 2019-08-27 | 惠州护地农科有限公司 | A kind of water solubility refined organic fertilizer and its preparation process |
| CN110407647A (en) * | 2019-08-02 | 2019-11-05 | 甘肃祁连山药业股份有限公司 | A kind of potassium humate punching fertilising processing technology |
| CN110550988A (en) * | 2019-09-23 | 2019-12-10 | 张梓榆 | Complexing product of mineral humic acid and inorganic salt fertilizer and preparation method thereof |
| CN111032597A (en) * | 2017-08-21 | 2020-04-17 | 专业农场科技有限公司 | Soluble fertilizer formulations and methods of use thereof |
| CN111116260A (en) * | 2020-01-03 | 2020-05-08 | 浙江丰瑜生态科技股份有限公司 | Water-soluble fertilizer containing humic acid and preparation method thereof |
| CN111217651A (en) * | 2020-02-13 | 2020-06-02 | 浙江丰瑜生态科技股份有限公司 | Humic acid-containing water-soluble fertilizer suitable for grapes and preparation method and use method thereof |
| CN111233550A (en) * | 2020-01-19 | 2020-06-05 | 浙江丰瑜生态科技股份有限公司 | Humic acid water-soluble fertilizer suitable for hickory planting and preparation method and application thereof |
| CN111410573A (en) * | 2020-03-28 | 2020-07-14 | 桂宝友 | Preparation method of foliar fertilizer |
| CN111440023A (en) * | 2020-03-17 | 2020-07-24 | 浙江丰瑜生态科技股份有限公司 | Slow-release water-soluble fertilizer containing humic acid |
| CN111499449A (en) * | 2020-03-25 | 2020-08-07 | 浙江丰瑜生态科技股份有限公司 | Slow-release water-soluble fertilizer suitable for planting in sandy soil and application thereof |
| CN115057736A (en) * | 2022-03-21 | 2022-09-16 | 深圳市芭田生态工程股份有限公司 | Water-soluble fertilizer special for cucumbers and preparation method, application and application method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431382A (en) * | 1990-05-24 | 1992-02-03 | Koei Kagaku Kogyo Kk | Utilizing agent for phosphoric acid compound immobilized in soil |
| RU2058279C1 (en) * | 1994-04-05 | 1996-04-20 | Вычислительный центр СО РАН | Method of peat-humic fertilizer producing |
| CN101024590A (en) * | 2007-02-01 | 2007-08-29 | 陕西鼎天济农腐殖酸制品有限公司 | Method for preparing water solutable fertilizer containing humic acid |
| CN102181064A (en) * | 2011-04-13 | 2011-09-14 | 方宁 | Technology for producing high-purity humate by using coal |
| CN102701855A (en) * | 2012-06-13 | 2012-10-03 | 方宁 | Fertilizer produced by using coal special for improving humic acid salt licks |
-
2014
- 2014-04-19 CN CN201410157087.3A patent/CN103964945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431382A (en) * | 1990-05-24 | 1992-02-03 | Koei Kagaku Kogyo Kk | Utilizing agent for phosphoric acid compound immobilized in soil |
| RU2058279C1 (en) * | 1994-04-05 | 1996-04-20 | Вычислительный центр СО РАН | Method of peat-humic fertilizer producing |
| CN101024590A (en) * | 2007-02-01 | 2007-08-29 | 陕西鼎天济农腐殖酸制品有限公司 | Method for preparing water solutable fertilizer containing humic acid |
| CN102181064A (en) * | 2011-04-13 | 2011-09-14 | 方宁 | Technology for producing high-purity humate by using coal |
| CN102701855A (en) * | 2012-06-13 | 2012-10-03 | 方宁 | Fertilizer produced by using coal special for improving humic acid salt licks |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945198A (en) * | 2015-07-02 | 2015-09-30 | 成都市一心化工有限责任公司 | Method for producing humic acid magnesium sylvite |
| CN104945197A (en) * | 2015-07-02 | 2015-09-30 | 成都市一心化工有限责任公司 | Method for producing copper potassium humate |
| CN105237196A (en) * | 2015-10-08 | 2016-01-13 | 定远县蒋集镇丰润蔬菜种植专业合作社 | Cucumber fertilizer prepared from modified peat and preparation method thereof |
| CN105348003A (en) * | 2015-11-13 | 2016-02-24 | 南宁隆盛农业科技有限公司 | Water-soluble fertilizer for tea trees |
| CN105733596A (en) * | 2016-03-21 | 2016-07-06 | 中国科学院烟台海岸带研究所 | Soil conditioner for passivation of heavy metals and preparation method of soil conditioner |
| CN105733596B (en) * | 2016-03-21 | 2019-03-12 | 中国科学院烟台海岸带研究所 | A kind of soil conditioner and preparation method thereof for heavy metal passivation |
| CN111032597A (en) * | 2017-08-21 | 2020-04-17 | 专业农场科技有限公司 | Soluble fertilizer formulations and methods of use thereof |
| CN111032597B (en) * | 2017-08-21 | 2023-09-12 | 专业农场科技有限公司 | Soluble fertilizer formulations and methods of use thereof |
| CN107827572A (en) * | 2017-11-25 | 2018-03-23 | 贵阳开磷化肥有限公司 | A kind of water soluble fertilizer for cucumbers and preparation method thereof |
| CN108911916A (en) * | 2018-08-01 | 2018-11-30 | 芜湖三月禾园艺设计有限公司 | A kind of flowers cladding humic acid biology base manure and preparation method thereof |
| CN110172007A (en) * | 2019-07-12 | 2019-08-27 | 惠州护地农科有限公司 | A kind of water solubility refined organic fertilizer and its preparation process |
| CN110407647A (en) * | 2019-08-02 | 2019-11-05 | 甘肃祁连山药业股份有限公司 | A kind of potassium humate punching fertilising processing technology |
| CN110550988A (en) * | 2019-09-23 | 2019-12-10 | 张梓榆 | Complexing product of mineral humic acid and inorganic salt fertilizer and preparation method thereof |
| CN111116260A (en) * | 2020-01-03 | 2020-05-08 | 浙江丰瑜生态科技股份有限公司 | Water-soluble fertilizer containing humic acid and preparation method thereof |
| CN111116260B (en) * | 2020-01-03 | 2021-09-10 | 浙江丰瑜生态科技股份有限公司 | Water-soluble fertilizer containing humic acid and preparation method thereof |
| CN111233550A (en) * | 2020-01-19 | 2020-06-05 | 浙江丰瑜生态科技股份有限公司 | Humic acid water-soluble fertilizer suitable for hickory planting and preparation method and application thereof |
| CN111233550B (en) * | 2020-01-19 | 2021-11-23 | 浙江丰瑜生态科技股份有限公司 | Humic acid water-soluble fertilizer suitable for hickory planting and preparation method and application thereof |
| CN111217651B (en) * | 2020-02-13 | 2021-11-30 | 浙江丰瑜生态科技股份有限公司 | Humic acid-containing water-soluble fertilizer suitable for grapes and preparation method and use method thereof |
| CN111217651A (en) * | 2020-02-13 | 2020-06-02 | 浙江丰瑜生态科技股份有限公司 | Humic acid-containing water-soluble fertilizer suitable for grapes and preparation method and use method thereof |
| CN111440023A (en) * | 2020-03-17 | 2020-07-24 | 浙江丰瑜生态科技股份有限公司 | Slow-release water-soluble fertilizer containing humic acid |
| CN111499449A (en) * | 2020-03-25 | 2020-08-07 | 浙江丰瑜生态科技股份有限公司 | Slow-release water-soluble fertilizer suitable for planting in sandy soil and application thereof |
| CN111499449B (en) * | 2020-03-25 | 2021-11-16 | 浙江丰瑜生态科技股份有限公司 | Slow-release water-soluble fertilizer suitable for planting in sandy soil and application thereof |
| CN111410573A (en) * | 2020-03-28 | 2020-07-14 | 桂宝友 | Preparation method of foliar fertilizer |
| CN115057736A (en) * | 2022-03-21 | 2022-09-16 | 深圳市芭田生态工程股份有限公司 | Water-soluble fertilizer special for cucumbers and preparation method, application and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103964945A (en) | Method for preparing water-soluble fertilizer containing humic acid | |
| CN101913949B (en) | Low-molecular weight oligo-alginate fertilizer | |
| CN101429068B (en) | Method for producing kalium-nitrogen-sulphur-magnesium-ferrotitanium silicon foliage fertilizer and calcium-sulphur silicon fertilizer with titanium-containing furnace cinder | |
| CN102633551B (en) | Method for producing water soluble fertilizer with major element by using agriculture fertilizer | |
| CN101659569B (en) | Method of using organic acid for activating phosphorite powder to prepare phosphate fertilizer | |
| CN103804076B (en) | Method for separating humic acid in pH mode and application thereof | |
| CN101891530A (en) | Activated calcium magnesium phosphate fertilizer and preparation method thereof | |
| CN103275333A (en) | Like-humic acid substance extracted from crop straw and preparation method of compound fertilizer thereof | |
| CN103408346B (en) | Polymerization amino acid synergistic sustained-release composite fertilizer and preparation method thereof | |
| CN104529632A (en) | Liquid fertilizer for drip irrigation for saline and alkaline inland, and preparation method of liquid fertilizer | |
| CN103274798A (en) | Humic acid synergistic ammonium phosphate and preparation method thereof | |
| CN104672470A (en) | Method for extracting humus from pig manure maize straw compost | |
| CN103044087B (en) | Active phosphate fertilizer as well as preparation method and application thereof | |
| CN103193526A (en) | Preparation method of potassium yellowish-brown humate from lignite humic acid | |
| CN103664400A (en) | Sustained-release organic fertilizer special for peanuts and preparation method thereof | |
| CN103011996A (en) | Process for preparing plant nutrients by using crustacean waste material | |
| CN105367167B (en) | A kind of preparation method of the organic carbon Liquid Fertilizer containing microelement | |
| CN101525257A (en) | New process for producing compound fertilizer by municipal sludge | |
| CN103450285B (en) | Preparation method of humic acid | |
| CN109553501B (en) | Method for preparing active silicon-active humic acid compound fertilizer from low-grade coal and compound fertilizer obtained by method | |
| CN105237196A (en) | Cucumber fertilizer prepared from modified peat and preparation method thereof | |
| CN105330421A (en) | Method for preparing complex-state mineral element organic liquid fertilizer | |
| CN104628440A (en) | Method for preparing special vegetable organic fertilizer by using active humic acid fermentation | |
| CN103274857A (en) | Humic acid synergistic ammonium bicarbonate fertilizer and production method thereof | |
| CN102775218A (en) | Method for preparing plant nutrient solution from sludge microproteins |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140806 |