CN1490282A - Activated humic acid composite fertilizer and its making method - Google Patents
Activated humic acid composite fertilizer and its making method Download PDFInfo
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- CN1490282A CN1490282A CNA021331928A CN02133192A CN1490282A CN 1490282 A CN1490282 A CN 1490282A CN A021331928 A CNA021331928 A CN A021331928A CN 02133192 A CN02133192 A CN 02133192A CN 1490282 A CN1490282 A CN 1490282A
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Abstract
A mixed active humate fertilizer is prepared from active weathered coal powder, urea, ammonium phosphate, potassium chloride, potassium sulfate and ordinary and trace elements through spraying said weathered coal powder in NaOH solution, natural drying, sieving, mixing with the solutions of ammonium hydrogen carbonate and potassium chloride (or nitrate), heating, reacting, drying, mixing with others, pulverizing and granulating. Its advantages are complete nutrients and low cost.
Description
Technical field
The present invention relates to mixed organic fertilizer, specifically a kind of activated humic acid composite fertilizer and working method thereof.
Background technology
Because the organic structure of humic acids self complexity after it makes fertilizer, has the effect of well improving the soil.On the one hand, it can promote soil aggregate to form, and makes soil become the fertile soil of the suitable crop growth of ventilation, retaining, guarantor's fertilizer; Can strengthen the resiliency of soil, the improvement low productive soil; Can form more stable complex compound with urea, generate double salt with phosphate radical and calcium ion, the metal ion that needs with many crops in the soil generates inner complex, the crop alimentary element is played Chu Feng mend the effect of owing, thereby provide balanced nutritious to crop, also avoided simultaneously the loss of nutrient substance, its utilization ratio is improved greatly.On the other hand, it can also will be got off by soil fixing and the difficult element that is absorbed by crop, reactivates by plant utilization as phosphorus; Humic acids itself also is a fertilizer, it has hormesis to plant root, can strengthen root development promotes liquid manure to absorb, strengthen the crop respiration, the humic acids of small molecular weight can directly be absorbed by plant, can improve the activity of plurality of enzymes in plant materials, enhance metabolism, improve crop quality, reduce the agricultural-food nitrate content, increase sugar and Vitamin C content.The humic acid fertilizer plurality of advantages, making it inevitable fertilizer for replacing chemical becomes the main fertilizer variety of agriculture production green product from now on.
Nearly decades, a large amount of chemical fertilizer that use based on nitrogen, phosphorus, potassium on China's agricultural, it has changed greatly uses the situation of farm manure under yielding poorly in the past, make crop yield that growth at double arranged, but the life-time service chemical fertilizer can cause soil compaction and crops quality to descend, use the equivalent chemical fertilizer, output also has downward trend year by year; Press for a kind of new-type fertilizer of avoiding above-mentioned drawback on the agricultural.
Summary of the invention
One of purpose of the present invention provides the activated humic acid composite fertilizer of a kind of high crop yield, excellent product quality.
Another object of the present invention provides a kind of working method that improves the humic acid material and the compound fertilizer of activated humic acid content.
For achieving the above object, the technical solution adopted in the present invention is: adopting the natural matter weathered coal that contains humic acids 50～75% is main raw material, through peroxidation, activation treatment, again with elemental nitrogen, phosphorus, potassium and the middle trace element of needs mix in a large number in the plant-growth, and and then in fertilizer and soil in carry out chemical reaction (complexing, chelating, generation double salt etc.), make it to become and in soil, to dissolve dispersion, can give full play to the product of humic acids characteristics;
Weathered coal is a crop coal, be the part of coal seam long-term exposure on the face of land, exposed coal is through the long oxidation of empty G﹠W, hydrolysis, make the variation of its Chemical Composition and physical structure generation matter, coal is in weathering, the proportion of carbon descends, and but forms a large amount of humic acidss, and metal ion such as Ca, Mg and Fe aluminium forms insoluble salt among the humic acids Chang Yushui; Weathered coal seldom utilizes because heat hangs down the Chang Zuowei refuse.
Activated humic acid composite fertilizer component and proportioning (by weight percentage):
35～65% active weathered coals (powder), 10～45% urea, 9～25% phosphorus ammoniums (monoammonium phosphate, two ammoniums), 0～30% Repone K, 0～36% vitriolate of tartar, trace element (Ca, Mg, S, Si, Zn, Mn, B, Fe, Cu, Mo etc.) compound in 0～10%;
Middle trace element (Ca, Mg, S, Si, Zn, Mn, B, Fe, Cu, Mo etc.) compound is meant:
Lime carbonate, ground phosphate rock, gypsum etc. among the Ca; Magnesite breeze etc. among the Mg; SULPHUR POWDER, vitriol etc. among the S; Si mesosilicic acid sodium, flyash etc.; Zinc sulfate, zinc oxide, smithsonite powder etc. among the Zn; Manganous sulfate, manganese oxide, rhodochrosite powder etc. among the Mn; Borax, boric acid etc. among the B; Ferrous sulfate, sparring breeze etc. among the Fe; Copper sulfate, cupric oxide etc. among the Cu; Ammonium molybdate, Sodium orthomolybdate etc. among the Mo.
Active weathered coal (humic acid material) working method is:
With the weathered coal of humic acids content 50～75% (butt) (water content between 25～37% all can) 50～200 kilograms of NaOH solution of 3～20% that evenly spray into per ton before stacking, (effect is preferable more than 7 days in the seasoning reaction, better effects if more than 15 days), pulverize 40 orders (60 order better effects if) sieve then and obtained the weathering coal dust; Dissolve the Repone K of the bicarbonate of ammonia of weathered coal weight 12～20% and weathered coal weight 11～19% or 15～26% saltpetre is made solution and this weathering coal dust stirs with the water of weathered coal weight 60～100% (adopting tap water get final product) in mixing machine, under agitation be warming up to 35～100 ℃ of insulation reaction again 1～5 hour (better) in 1 hour effect of 80～90 ℃ of insulation reaction, then (in moisture eliminator) below 100 ℃ dry (to water content be lower than at 24% o'clock and store and effect best), obtain containing the active weathered coal of potassium humate ammonium.
The activation humic acids mixes fertile production technique:
Active weathered coal, urea, phosphorus ammonium, ammonium chloride, vitriolate of tartar and middle trace compound are pressed described activated humic acid composite fertilizer set of dispense ratio; entering pulverizer after mixing in mixer pulverizes; require granularity less than 60 orders; obtain powder-like product, powder-like product obtains granulated product through the extruder grain machining.
The present invention has following advantage:
1. the present invention can keep using the high yield of chemical fertilizer, can keep the quality of the agricultural-food that use farm manure again.
A. it is obvious to use effect of increasing production on vegetables, melon and fruit tree, more than 10%;
B. it is remarkable to improve the quality of agricultural product effect: adopt activated humic acid composite fertilizer of the present invention and use inorganic fertilizer and cultivate comparison, the average total sugar content of product increases by 36.84%, and total acidity reduces by 19.43%, and Vc content improves 30.3%, nitrate content reduces by 33.26%, and mouthfeel is obviously good.For example: cucumber fruit bar is straight, cuts to be green flesh, and product gustation delicate fragrance is sweet slightly, no astringent taste; The eggplant crust is vivid, and it is easily mashed to boil during cooking; The golden red muskmelon is all very sweet from the skin to the flesh, and having only by the flesh part that the chemical fertilizer kind goes out is sweet; The big shape of strawberry fruit is good, excellent in taste; Leek is fresh and tender, tanginess, or the like;
C. it is general than using chemical fertilizer about a Zao week to yield positive results, and prolong vegetative period, can continue the several weeks of gathering;
D. the disease resistance ability is strong.Compare with using chemical fertilizer, cucumber is dyed oidium in same booth, catches an illness seriously in the chemical fertilizer district, and adopts the rotten fertile district of the present invention diseased plant seldom, and eggplant dyes gray mold in another canopy, catches an illness and account for 70～80% in the chemical fertilizer district, and with having only 20～30% in the rotten fertile district of the present invention;
F. root system development is good, has obvious drought-resistant ability.Rotten fertile district rice root on average Duo more than 20% than chemical fertilizer district individual plant during rice test, and arid is happened in root length increase by 25～30% then, often cuts off the water supply, and it is influenced littler than chemical fertilizer district to execute rotten fertile plot;
G. the frost resistance ability strengthens.The land for growing field crops Kidney bean test initial stage runs into frost, and chemical fertilizer district bean seedlings blade is all withered, and rotten fertile district is uninfluenced.
2. activated humic acid composite fertilizer is to be main raw material with colliery waste weathered coal, and being mixed with the needed nutrition of plant after peroxidation, activation treatment forms; Humic acids has had after activated water-solublely in the weathered coal, is easy to combine with other nutrition and makes it to have slow release effect, and can evenly spread to the strong point of bringing into play humic acid fertilizer in the plough horizon better; Macroelement is taken from nitrogen, phosphorus, the chemical fertilizer that potassium content is higher, as urea (nitrogenous 46%), diammonium phosphate (nitrogenous 18%, contain Vanadium Pentoxide in FLAKES 46%), monoammonium phosphate (nitrogenous 11%, Vanadium Pentoxide in FLAKES 44%), Repone K (containing potassium oxide 60%), vitriolate of tartar (containing potassium oxide 50%), these fertilizer are used alone or as a mixture just very high fertilizer efficiency, with still kept higher nitrogen after active weathered coal mixes, phosphorus, the potassium ratio, can when fertilising, accomplish the disposable needed macroelement of this season crop of supplying, and humic acids also is the organic nutrient that crop needs, selecting the higher weathered coal of humic acids content for use is the total nutrient content that raw material has improved fertilizer greatly, also because of having utilized the waste in colliery, thereby reduced the production cost of fertilizer.
3. added Repone K or saltpetre in the activator bicarbonate of ammonia, obtained containing the product of potassium humate ammonium after the activation of weathering coal dust, its stability is than the ammonium humate height, and cost is lower than potassium humate.
4. middle trace element is according to rich the lacking and crop needs difference of this dvielement of fertilising soil, and what add in right amount in conjunction with content in the weathered coal, make fertilizer nutrition more comprehensive.
5. weathered coal is added the alkali stacking and can improve humic acids content more than 10% through natural oxidation.
6. adopt in the production technique for fertilizer to mix afterwards earlier and pulverize, avoided the first drawback that back some material of hybrid technique is pulverized the back caking of pulverizing.
7. select for use extruder grain to avoid garden dish granulation, the pyroprocessing when the cylinder air stream drying easily causes the loss of nitrogen again, and urea decomposition generates oxious component and reduces the problem of humic acid activity.
8. technology of the present invention is simple, and required equipment is less, and raw materials for production are easy to get, and are convenient to penetration and promotion.
Description of drawings
Fig. 1 is the process flow sheet of activation weathered coal working method.
Fig. 2 mixes the fertile process flow sheet of producing for the activation humic acids.
Embodiment
Embodiment 1
The weathered coal that humic acids content 50% (butt) is contained water gaging about 30% evenly sprays into 100 kilograms of 3% NaOH solution by weathered coal per ton before stacking, more than the natural draft drying two weeks, reject and pulverized 60 mesh sieves behind the impurity such as spoil and obtain the weathering coal dust.After stirring, the solution that 1 ton of weathering coal dust adds 120 kg bicarbonate of ammonia and 112.5 kilograms of Repone K and 700 kilograms of tap water preparations is warming up to 80～90 ℃ of maintenances 1 hour in mixing machine, in Rotatingandflashstreamingdrier, carry out drying then, obtain water content and be lower than 24% black weathering coal dust end, press active weathered coal: urea: diammonium phosphate: Repone K=53.9: 17.2: 12.1: 16.8, the back of weighing respectively adds that mixing promptly obtains N: P after pulverizer was pulverized 60 mesh sieves in the mixing machine
2O
5: K
2O=1: 0.5: 1.2, N+P
2O
5+ K
2The powder-like product of O 〉=30%.
Embodiment 2
The weathered coal of humic acids content 50% (butt) water content about 30% is evenly sprayed into 100 kilograms of 3% NaOH solution by weathered coal per ton before stacking, more than the natural draft drying two weeks, pulverize 60 mesh sieves behind the impurity such as rejecting spoil and obtained the weathering coal dust, 1 ton of weathering coal dust adds 120 kg carbon ammonium and 600 kilograms of solution that tap water is made of 150 kilograms of saltpetre addings, being warming up to 80～90 ℃ after stirring in mixing machine kept 1 hour, in Rotatingandflashstreamingdrier, carry out drying then, obtain water content and be lower than 24% the active weathered coal powder of black, by active weathered coal: urea: diammonium phosphate: vitriolate of tartar=52.5: 15.2: 12.1: 20.2 backs of weighing respectively add that mixing promptly obtains N: P after pulverizer is crushed to 60 orders in the mixing machine
2O
5: K
2O=1: 0.5: 1.2, N+P
2O
5+ K
2The powder-like product of O 〉=30%.
Application examples
Activated humic acid composite fertilizer of the present invention is made application test on agricultural, activated humic acid composite fertilizer of the present invention and chemical fertilizer equivalent are used, and the chemical fertilizer application ratio is a urea: diammonium phosphate: composite fertilizer=0～60: 40: 0～60; Its result such as table 1:
Table 1.
| The test kind | Cucumber | Eggplant | Capsicum | Tomato | The golden red muskmelon | Cassabanana | Grape | Strawberry | Sweet corn |
| Amount of increase in production (%) | ??14～26 | ?11～30 | 13 | 5～44 | 13 | 10 | 10～14 | 108 | 42 |
| Amount of application (Kg/ mu) | ??60～95 | ?65～70 | 70 | 70～135 | 60 | 60 | 108 | 60 | 80 |
And find that in application the present invention has following advantage:
1. on vegetables, melon and fruit tree, use effect of increasing production obviously (than equivalent chemical fertilizer amount of increase in production).
2. it is remarkable to improve the quality of agricultural product effect: use the cultivation of activation Remixed humic acid fertilizer to compare, the average total sugar content of product increases by 36.84%, and total acidity reduces by 19.43%, and Vc content improves 30.3%, and nitrate content reduces by 33.26%, and mouthfeel is obviously good.For example: cucumber fruit bar is straight, incision is green flesh, and product gustation delicate fragrance is sweet slightly, no astringent taste; The eggplant crust is vivid, and it is easily mashed to boil during cooking; The golden red muskmelon is all very sweet from the skin to the flesh, and having only by the flesh part that the chemical fertilizer kind goes out is sweet; The big shape of strawberry fruit is good, excellent in taste; Leek is fresh and tender, tanginess, or the like.
3. it is general than using chemical fertilizer about a Zao week to yield positive results, and prolong vegetative period, can continue the several weeks of gathering.
4. the disease resistance ability is strong.With comparing of use chemical fertilizer, cucumber is dyed oidium in the same booth, catches an illness seriously in the chemical fertilizer district, and rotten fertile district diseased plant seldom, and the interior eggplant of another canopy dyes gray mold, catches an illness and account for 70～80% in the chemical fertilizer district, and rotten fertile district has only 20～30%.
5. root system development is good, has obvious drought-resistant ability.Rotten fertile district rice root on average Duo more than 20% than chemical fertilizer district individual plant during rice test, and arid is happened in root length increase by 25～30% then, often cuts off the water supply, and it is influenced littler than chemical fertilizer district to execute rotten fertile plot.
6. the frost resistance ability strengthens.The land for growing field crops Kidney bean test initial stage runs into frost, and chemical fertilizer district bean seedlings blade is all withered, and rotten fertile district is uninfluenced.
Claims (9)
1. activated humic acid composite fertilizer, it is characterized in that: its component and proportioning are by weight percentage: 35～65% active weathering coal dusts, 10～45% urea, 9～25% phosphorus ammoniums, 0～30% Repone K, 0～36% vitriolate of tartar, trace element in 0～10%.
2. according to the described compound fertilizer of claim 1, it is characterized in that: trace element is meant lime carbonate among the Ca, ground phosphate rock or gypsum in described; Magnesite breeze among the Mg; SULPHUR POWDER or vitriol among the S; Si mesosilicic acid sodium or flyash; Zinc sulfate, zinc oxide or smithsonite powder among the Zn; Manganous sulfate, manganese oxide or rhodochrosite powder among the Mn; Borax or boric acid among the B; Ferrous sulfate or sparring breeze among the Fe; Copper sulfate or cupric oxide among the Cu; Ammonium molybdate or Sodium orthomolybdate among the Mo.
3. working method according to the described compound fertilizer of claim 1, it is characterized in that: trace element mixed earlier afterwards to pulverize and promptly gets powder-like product during active weathered coal, urea, phosphorus ammonium, Repone K, vitriolate of tartar were reached, and powder-like product obtains granulated product through extruder grain processing again.
4. the working method of a humic acid material, it is characterized in that: with the humic acids contents on dry basis be 50～75%, water content is 25～37% weathered coal, 50～200 kilograms of 3～20% the NaOH solution that evenly spray into per ton, natural ventilation is stacked dry, through pulverizing 40 mesh sieves, obtain the weathering coal dust; Make solution with the bicarbonate of ammonia of the water dissolution weathered coal weight 12～20% of weathered coal weight 60～100% and the Repone K of weathered coal weight 11～19% or 15～26% saltpetre, and be mixed with the weathering coal dust, under agitation be warming up to 35～100 ℃ of insulation reaction then 1～5 hour, dry below 100 ℃, obtain containing the active weathered coal of potassium humate ammonium.
5. according to the described working method of claim 4, it is characterized in that: 100～150 kilograms of 3～5% the NaOH solution that evenly spray into per ton in the described weathered coal.
6. according to the described working method of claim 4, it is characterized in that: described natural ventilation is stacked dry more than 7 days.
7. according to the described working method of claim 4, it is characterized in that: described 60 mesh sieves of pulverizing obtain the weathering coal dust then.
8. according to the described working method of claim 4, it is characterized in that: describedly under agitation be warming up to 80～90 ℃ of insulation reaction again 1 hour.
9. according to the described working method of claim 4, it is characterized in that: describedly be lower than 24% being dried to water content below 100 ℃, obtain containing the active weathered coal of potassium humate ammonium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133192 CN1239435C (en) | 2002-10-16 | 2002-10-16 | Activated humic acid composite fertilizer and its making method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133192 CN1239435C (en) | 2002-10-16 | 2002-10-16 | Activated humic acid composite fertilizer and its making method |
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| CN1490282A true CN1490282A (en) | 2004-04-21 |
| CN1239435C CN1239435C (en) | 2006-02-01 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376513C (en) * | 2006-04-18 | 2008-03-26 | 郭宗恒 | Water-soluble humic acid paste-form fertilizer and its making process |
| CN102001898A (en) * | 2010-10-22 | 2011-04-06 | 李林 | Potassium humate compound fertilizer and preparation method thereof |
| CN101429072B (en) * | 2008-12-17 | 2011-04-20 | 中国农业科学院农业资源与农业区划研究所 | Humic acid composite slow release fertilizer and producing method thereof |
| CN101618980B (en) * | 2008-07-02 | 2011-08-10 | 中国科学院沈阳应用生态研究所 | Fertilizer special for multi-element tobacco and preparation method thereof |
| CN102249773A (en) * | 2011-04-19 | 2011-11-23 | 祝明福 | High efficiency organic water-manure fertilizer |
| CN101519331B (en) * | 2009-04-09 | 2012-07-04 | 李财 | Slow-release high-yield crop fertilizer |
| CN102674965A (en) * | 2012-05-18 | 2012-09-19 | 中南大学 | Manganese residue compound fertilizer and preparation method thereof |
| CN103183550A (en) * | 2012-11-20 | 2013-07-03 | 陈卫文 | Compound fertilizer applicable to strawberry cultivation in milled/low-fertility area |
| CN103254010A (en) * | 2013-05-22 | 2013-08-21 | 山东华粮生物工程集团股份有限公司 | Multifunctional organic/inorganic compound fertilizer and preparation method thereof |
| CN103274769A (en) * | 2013-05-30 | 2013-09-04 | 防城港盛农磷化有限公司 | Calcium superphosphate spraying granulation method and equipment |
| CN103274797A (en) * | 2013-06-13 | 2013-09-04 | 山东省农业科学院农业资源与环境研究所 | Preparation method and activating reactor for granular potassium-containing humic acid urea |
| CN103319227A (en) * | 2013-06-13 | 2013-09-25 | 山东省农业科学院农业资源与环境研究所 | Continuous production method of granular humic acid urea and activation reactor |
| CN103936520A (en) * | 2014-04-28 | 2014-07-23 | 白银市桔瑞生物科技有限公司 | Ecological slow release fertilizer and preparation method thereof |
| CN104098392A (en) * | 2014-06-25 | 2014-10-15 | 周瑛 | Special chemical fertilizer for fragrant-flowered garlic |
| CN105036983A (en) * | 2015-08-12 | 2015-11-11 | 河南骏化发展股份有限公司 | Production method of multielement efficient humic acid compound fertilizer |
| CN105481591A (en) * | 2016-01-19 | 2016-04-13 | 广西复鑫益生物科技有限公司 | Pollution-free fertilizer |
| CN105884468A (en) * | 2016-07-04 | 2016-08-24 | 戚丹丹 | Production method of garden organic fertilizer |
| CN113860971A (en) * | 2020-06-29 | 2021-12-31 | 红河锦东化工股份有限公司 | Continuous production process of one-step method slurry-melting chelating active humic acid compound fertilizer |
-
2002
- 2002-10-16 CN CN 02133192 patent/CN1239435C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100376513C (en) * | 2006-04-18 | 2008-03-26 | 郭宗恒 | Water-soluble humic acid paste-form fertilizer and its making process |
| CN101618980B (en) * | 2008-07-02 | 2011-08-10 | 中国科学院沈阳应用生态研究所 | Fertilizer special for multi-element tobacco and preparation method thereof |
| CN101429072B (en) * | 2008-12-17 | 2011-04-20 | 中国农业科学院农业资源与农业区划研究所 | Humic acid composite slow release fertilizer and producing method thereof |
| CN101519331B (en) * | 2009-04-09 | 2012-07-04 | 李财 | Slow-release high-yield crop fertilizer |
| CN102001898A (en) * | 2010-10-22 | 2011-04-06 | 李林 | Potassium humate compound fertilizer and preparation method thereof |
| CN102001898B (en) * | 2010-10-22 | 2013-02-13 | 李林 | Potassium humate compound fertilizer and preparation method thereof |
| CN102249773B (en) * | 2011-04-19 | 2013-12-25 | 祝明福 | Organic water-manure fertilizer |
| CN102249773A (en) * | 2011-04-19 | 2011-11-23 | 祝明福 | High efficiency organic water-manure fertilizer |
| CN102674965A (en) * | 2012-05-18 | 2012-09-19 | 中南大学 | Manganese residue compound fertilizer and preparation method thereof |
| CN102674965B (en) * | 2012-05-18 | 2014-01-29 | 中南大学 | Manganese residue compound fertilizer and preparation method thereof |
| CN103183550A (en) * | 2012-11-20 | 2013-07-03 | 陈卫文 | Compound fertilizer applicable to strawberry cultivation in milled/low-fertility area |
| CN103254010A (en) * | 2013-05-22 | 2013-08-21 | 山东华粮生物工程集团股份有限公司 | Multifunctional organic/inorganic compound fertilizer and preparation method thereof |
| CN103274769A (en) * | 2013-05-30 | 2013-09-04 | 防城港盛农磷化有限公司 | Calcium superphosphate spraying granulation method and equipment |
| CN103319227A (en) * | 2013-06-13 | 2013-09-25 | 山东省农业科学院农业资源与环境研究所 | Continuous production method of granular humic acid urea and activation reactor |
| CN103274797A (en) * | 2013-06-13 | 2013-09-04 | 山东省农业科学院农业资源与环境研究所 | Preparation method and activating reactor for granular potassium-containing humic acid urea |
| CN103319227B (en) * | 2013-06-13 | 2015-03-25 | 山东省农业科学院农业资源与环境研究所 | Continuous production method of granular humic acid urea and activation reactor |
| CN103936520A (en) * | 2014-04-28 | 2014-07-23 | 白银市桔瑞生物科技有限公司 | Ecological slow release fertilizer and preparation method thereof |
| CN104098392A (en) * | 2014-06-25 | 2014-10-15 | 周瑛 | Special chemical fertilizer for fragrant-flowered garlic |
| CN105036983A (en) * | 2015-08-12 | 2015-11-11 | 河南骏化发展股份有限公司 | Production method of multielement efficient humic acid compound fertilizer |
| CN105036983B (en) * | 2015-08-12 | 2018-01-16 | 河南骏化发展股份有限公司 | A kind of production method of polynary Remixed humic acid fertilizer |
| CN105481591A (en) * | 2016-01-19 | 2016-04-13 | 广西复鑫益生物科技有限公司 | Pollution-free fertilizer |
| CN105884468A (en) * | 2016-07-04 | 2016-08-24 | 戚丹丹 | Production method of garden organic fertilizer |
| CN113860971A (en) * | 2020-06-29 | 2021-12-31 | 红河锦东化工股份有限公司 | Continuous production process of one-step method slurry-melting chelating active humic acid compound fertilizer |
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