CN106478256A - Stalk biochemistry lignin organic slow-release liquid fertilizer and preparation method thereof - Google Patents
Stalk biochemistry lignin organic slow-release liquid fertilizer and preparation method thereof Download PDFInfo
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- CN106478256A CN106478256A CN201610899296.4A CN201610899296A CN106478256A CN 106478256 A CN106478256 A CN 106478256A CN 201610899296 A CN201610899296 A CN 201610899296A CN 106478256 A CN106478256 A CN 106478256A
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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
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
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Abstract
The present invention relates to a kind of stalk biochemistry lignin organic slow-release liquid fertilizer and preparation method thereof, belongs to organic slow-release fertilizer technical field.Described organic slow-release liquid fertilizer is made up of following parts by weight raw material：20～35 parts of high-activity biological matter lignin, 10～20 parts of high molecular polymer, 5～10 parts of cellulose mud cake, 20～30 parts of acid hemicellulose liquid, 20～30 parts of alkaline hemicellulose liquid, 8～13 parts of nitrogenous fertilizer, 10～15 parts of phosphate fertilizer, 12～20 parts of potash fertilizer, 4～10 parts of phytocytomine, 5～10 parts of nitric acid；Preparation method is first to mix alkaline hemicellulose liquid, acid hemicellulose liquid, cellulose mud cake with high-activity biological matter lignin, add the stirring of phytocytomine, high molecular polymer, nitrogen, phosphorus and potash fertilizer, nitre acid for adjusting pH value is eventually adding, obtains stalk biochemistry lignin organic slow-release liquid fertilizer.The present invention disclosure satisfy that the plantation demand of chemical pesticide, had good sustained release effect, low cost, preparation process is simple, environmental protection are not applied in organic plantation.
Description
Technical field
The present invention relates to a kind of stalk biochemistry lignin organic slow-release liquid fertilizer and preparation method thereof, belongs to organic slow-release fertilizer skill
Art field.
Background technology
At present, chemical fertilizer is all generally applied in most of agricultural land, and its subject matter for existing is that the fertilizer efficiency period of chemical fertilizer is short, sharp
With rate is low, single function.Crops need generally 90～120 days fertile phase, and the fertilizer efficiency period of nitrogenous fertilizer is only 28～47 days, its profit
Only have 30～40% with rate, 60～70% being all lost in air and water body in addition, cause great waste and environment is dirty
Dye；The utilization rate of phosphate fertilizer is lower, and this season utilization rate only has 20% or so, and this also directly results in rural area body eutrophication and agriculture
Village's environmental degradation.With the deterioration of farmland pollution problem, environmental protection and saving new-type fertilizer is increasingly taken seriously.
Existing slow release fertilizer has three types：One be coated, coating, coating class；Two be ureaformaldehyde, IBDU,
Oxamides；Three is to add various inhibitor class fertilizer, because of many factors such as cost, technique, the popularization of front two classes slow release fertilizer
Application is less, and 80% is belonging to add the slow release fertilizer of inhibitor.For rural area, crop yield should be ensured, subtracted again
Few environmental pollution, therefore becomes agricultural developing direction at present with resources conservation, environmental protection, nutritious fertilizer.Organic
Slow-release fertilizer can discharge appropriate nutrient in the whole growth course of crops and absorb for crops, promote the life of crops
Long, applying organic slow-release fertilizer not only can increase the utilization rate of nutrient in fertilizer, can also mitigate rural environmental pollution.Organic slow
Release fertilizer and single fertilization can be reached, exempt operation of topdressing, increase production, fertilizer, saving of labor is saved, gradually can improve rural environmental pollution, with
When can also realize increase crop yield target.
As modern agriculture increases to organic slow-release fertilizer demand, fertilizer discharges the material for being remained in soil later not
Degradable, easily soil texture is damaged, apply year after year and soil will be polluted.Therefore it provides a kind of organic slow-release
The fertilizer efficiency good, low cost of fruit, preparation process is simple, the organic slow-release fertilizer of environment-friendly novel have necessity very much.
Content of the invention
It is an object of the invention to provide a kind of stalk biochemistry lignin organic slow-release liquid fertilizer, solves existing organic slow-release
What fertilizer was present destroys soil texture, the problem of pollution environment, with had good sustained release effect, improves soil compaction, is rich in various plants
Nutrient growth element and the feature of trace element, present invention simultaneously provides its preparation method.
Stalk biochemistry lignin organic slow-release liquid fertilizer of the present invention, is made up of the raw material of following parts by weight：
Preferably, it is made up of the raw material of following parts by weight：
Wherein：
The preparation method of described high-activity biological matter lignin is as follows：
(1) using stalk as raw material, first pass through pulverizer carry out cutting off, dedusting, then at steam explosion under 2.0～5.0MPa 2～
6min, adds alkali lye in the solid content that separation of solid and liquid is obtained backward, and boiling at 78～135 DEG C separates 0.5～2h, obtains lignin
Black liquor；
(2) Ca (OH) of 15～90ppm is added in lignin black liquor2Carry out flocculation sediment, through filtering accuracy be 18～
23 μm of filter is filtered, and obtains lignin clear liquid；
(3) lignin clear liquid is sent in tubular ultra-filtration membrane, control ultrafiltration membrane stack pressure is 5.0～8.0MPa, temperature is
30～60 DEG C, flux be 50～90m3, ultrafiltration dope and ultrafiltration clear liquid is obtained, ultrafiltration dope is sent into ultrafiltration single effect evaporation and is separated
In device, control evaporation negative pressure is -0.85～-0.89MPa, temperature is 70～90 DEG C, flux is 10～20m3, obtain ultrafiltration dense black
Liquid, ultrafiltration clear liquid is separated by filtration by rolling NF membrane, and control nanofiltration membrane stack pressure is 15.0～20.0MPa, temperature
It is 10～20m for 30～60 DEG C, flux3, nanofiltration dope and nanofiltration clear liquid is obtained, nanofiltration dope feeding nanofiltration single effect evaporation is divided
From device, control evaporating pressure is -0.85～-0.89MPa, temperature is 70～90 DEG C, 4～10m of flux3, obtain nanofiltration concentrated black liquid；
(4) ultrafiltration concentrated black liquid and nanofiltration concentrated black liquid are sent into spray dryer by conveying device respectively, control dries negative
It is 200～300 DEG C, 90～180 DEG C of leaving air temp to press as -0.21～-0.53MPa, EAT, finally gives granularity for 200
The high-activity biological matter lignin of～230 mesh；
Described high molecular polymer is PLA.
Described cellulose mud cake is that the lignin black liquor produced by paper mill carries out making after press filtration through plate and frame filter press
?.
After described acid hemicellulose liquid is the cut-out of stalk size-reduced machine, 2～6min of steam explosion under 2.0～5.0MPa,
Acid liquid in the solid content that separation of solid and liquid is obtained backward, 0.5～2h of boiling at 78～135 DEG C and the fermented waste fluid that produces.
After described alkaline hemicellulose liquid is the cut-out of stalk size-reduced machine, 2～6min of steam explosion under 2.0～5.0MPa,
In the solid content that separation of solid and liquid is obtained backward plus alkali lye, 0.5～2h of boiling at 78～135 DEG C and the fermented waste fluid that produces.
Described nitrogenous fertilizer is ammonium hydrogen carbonate, sodium nitrate, calcium nitrate, ammonium nitrate, calcium ammonium nitrate, any one in urea.
Described phosphate fertilizer be calcium phosphate, double superhosphate, ammonium phosphate, calcium magnesium phosphate, thomas phosphate, ammoniated superphosphate,
Any one in calcium metaphosphate.
Described potash fertilizer is plant ash or potassium carbonate.
The main component of described phytocytomine is zeatin, ribosylzeatin, benayl aminopurine, kinetin,
Basic element of cell division original powder is pure natural, nuisanceless, many components fermentating metabolism product.
The preparation method of stalk biochemistry lignin organic slow-release liquid fertilizer of the present invention, be first by alkaline hemicellulose
Liquid, acid hemicellulose liquid, cellulose mud cake are mixed with high-activity biological matter lignin, are sequentially added plant cell and are divided
Split element, high molecular polymer, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer to be stirred, it is 8.5～10 to be eventually adding nitre acid for adjusting pH value, obtains
Stalk biochemistry lignin organic slow-release liquid fertilizer.
It is 8.5～10 that the color of the stalk biochemistry lignin organic slow-release liquid fertilizer of the present invention is sepia or black, pH value,
Physicochemical property is as follows：Humus content >=0.4wt%, total nutrient content >=25g/L, water insoluble matter content≤53g/L, organic matter
Content >=1.4mg/L, excrement colibacillus group number≤98/mL, induced worm egg death rate >=96%, total nitrogen >=1050mg/L, total phosphorus >=
12mg/L, total potassium >=5500mg/L, total arsenic (in terms of As)≤0.9mg/L, total cadmium (in terms of Cd)≤0.95mg/L, total lead are (with Pb
Meter)≤3mg/L, total chromium (in terms of Cr)≤0.92mg/L, total mercury (in terms of Hg)≤0.4mg/L.
Beneficial effects of the present invention are as follows：
(1) the stalk biochemistry lignin organic slow-release liquid fertilizer of the chronic administration present invention can improve soil texture, overcome soil
Earth is hardened, reaches activation soil, culture fertility, protects water nutrition not to be lost in, creates the condition of ecological circulation to biological chain, increase
Strong soil fertilizer, water conservation, it is incubated and nutrition leak is prevented, soil quality is improved, improves containing for organic substance in soil
Amount；
(2) disclosure satisfy that the plantation demand of chemical pesticide, had good sustained release effect, low cost, preparation work are not applied in organic plantation
Skill is simple, environmental protection；
(3) the stalk biochemistry lignin organic slow-release liquid fertilizer of the present invention causes crops to need nutrient growth plain and micro unit
The plain extended period is 90～120 days, and the fertilizer efficiency period of nitrogenous fertilizer is extended for 85～118 days, and its utilization rate only has 85%～90%, reduces
Being lost in, protect the water nutrition not to be lost in, the condition of ecological circulation is created to biological chain, it is 90% left side to improve phosphate fertilizer utilization efficiency
The right side, phosphate fertilizer utilization efficiency will not be changed by seasonal effect.
Specific embodiment
With reference to embodiments the present invention is described further.
Embodiment 1
Stalk biochemistry lignin organic slow-release liquid fertilizer, is made up of the raw material of following parts by weight：
Wherein：
The preparation method of high-activity biological matter lignin is as follows：
(1) using stalk as raw material, first pass through pulverizer carry out cutting off, dedusting, then at steam explosion under 2.0～5.0MPa 2～
6min, adds alkali lye in the solid content that separation of solid and liquid is obtained backward, and boiling at 78～135 DEG C separates 0.5～2h, obtains high activity
Living beings lignin black liquor；
(2) Ca (OH) of 15～90ppm is added in high-activity biological matter lignin black liquor2Flocculation sediment is carried out, is passed through
Filter precision is that 20 μm of filter is filtered, and obtains high-activity biological matter lignin clear liquid；
(3) high-activity biological matter lignin clear liquid to be sent in tubular ultra-filtration membrane, control ultrafiltration membrane stack pressure is 5.0～
8.0MPa, temperature are 30～60 DEG C, flux is 50～90m3, ultrafiltration dope and ultrafiltration clear liquid is obtained, ultrafiltration dope is sent into super
Filter single effect evaporation separator in, control evaporation negative pressure be -0.85～-0.89MPa, temperature be 70～90 DEG C, flux be 10～
20m3, ultrafiltration concentrated black liquid being obtained, ultrafiltration clear liquid is separated by filtration by rolling NF membrane, control nanofiltration membrane stack pressure is
15.0～20.0MPa, temperature are 30～60 DEG C, flux is 10～20m3, nanofiltration dope and nanofiltration clear liquid is obtained, by nanofiltration dope
Nanofiltration single effect evaporation separator is sent into, control evaporating pressure is -0.85～-0.89MPa, temperature is 70～90 DEG C, flux 4～
10m3, obtain nanofiltration concentrated black liquid；
(4) ultrafiltration concentrated black liquid and nanofiltration concentrated black liquid are sent into spray dryer by conveying device respectively, control dries negative
It is 200～300 DEG C, 90～180 DEG C of leaving air temp to press as -0.21～-0.53MPa, EAT, finally gives high-activity biological
Matter lignin.
The preparation method of stalk biochemistry lignin organic slow-release liquid fertilizer is as follows：First by the alkaline hemicellulose liquid of proportional quantity,
Acid hemicellulose liquid, cellulose mud cake are mixed with high-activity biological matter lignin, sequentially add plant cell division
Element, PLA, urea, calcium and magnesium phosphorus and potassium carbonate are stirred, and it is 8.5～10 to be eventually adding nitre acid for adjusting pH value, obtains stalk
Biochemical lignin organic slow-release liquid fertilizer.
Application examples 1
Test site：Huainan City of Anhui Province Shou County Yan Liu town new bridge international industry garden Anhui lattice justice circular economy industrial garden has
Limit company.
Planting environment：Intelligent Greenhouse, gross area 5000m2.
Tomato variety 1：Little Tang mountain Millennium tomato (75-571) HK FB cenospecies
Contrast test is done with common fertilizer using the stalk biochemistry lignin organic slow-release liquid fertilizer obtained in embodiment 1,
Total cultivated area 1500m2, it is divided into 3 tomato planting regions at random.Planting area 1 is used as blank test area, planting area 2
Apply stalk biochemistry lignin organic slow-release liquid fertilizer；Planting area 3 applies common fertilizer.Test method is as follows：
Before blooming, weekly to the tomato root soil application stalk biochemistry lignin organic slow-release liquid fertilizer in planting area 2
8mL, foliage spray stalk biochemistry lignin organic slow-release 2～6mL of liquid fertilizer；To the tomato root soil application in planting area 3
Common fertilizer 8mL (concentration 0.2%～0.4%), foliage spray 2～6mL of clear water.
Post flowering is per seven days to the tomato root soil application stalk biochemistry lignin organic slow-release liquid fertilizer in planting area 2
15mL, foliage spray stalk 5～15mL of organic liquor；(dense to the tomato root soil application common fertilizer 20mL in planting area 3
Degree 0.2%～0.4%), foliage spray 5～15mL of clear water.
Tomato growth index is determined as follows：
(1) measure plant height with ruler (cotyledonary node is to growing point)；
(2) with the cotyledonary node rugosity that vernier caliper measurement is parallel with cotyledon expansion direction；
(3) with desktop scanners and image analysis software analysis leaf area；
(4) plant deionized water is rinsed well, blots surface moisture, is cut off in rhizome connecting place and is divided into overground part and ground
Bottom, with ten thousand/electronic balance (producer：Shanghai Jing Hai Instrument Ltd., model：FA2004N) fresh weight is determined, in electricity
Hot constant temperature blast drying oven (producer：Three, Shanghai scientific instrument Co., Ltd, model：DHG-9070 complete at 105 DEG C in)
Cool to after 20min at 70 DEG C and constant weight is dried, dry weight is determined with ten thousand/electronic balance.Seedling vigorous index is counted as follows
Calculate：
Seedling vigorous index=(stem thick/plant height+underground part dry weight/overground part dry weight) × complete stool dry weight.
The experimental data for obtaining is shown in Table 1.
Impact of 1 fertilization type of table to tomato seedling quantitative character
As shown in Table 1：The tomato for applying biochemical lignin organic slow-release liquid fertilizer contrasts other Fertilizer Types, ventilation and penetrating light
Good, leaf area is big, well developed root system；Fruit face good luster, maturity are neat, in good taste；Anti- blossom-end rot ability is strong；Apply biochemical wooden
Machine sustained release liquid fertilizer is have than applying common fertilizer volume increase 28.8%.
In intelligent Greenhouse with same test method to cucumber (kind：Light (22-35) the RZ F1 cenospecies in summer) carry out
Contrast fertilising, show that experimental result is tested with tomato.
Application examples 2
Test site：Huainan City of Anhui Province Shou County Yan Liu town new bridge international industry garden Anhui lattice justice circular economy industrial garden has
Limit company.
Wheat breed：13 original name of wheat is raised for raising 97-65 kind.
Contrast test is done with common fertilizer using the biochemical lignin organic slow-release liquid fertilizer obtained in embodiment 1, total kind
14 mu of area is planted, is uniformly divided into 4 planting areas at random.Planting area 1：Blank；Planting area 2:30wt% biochemistry lignin
Organic slow-release liquid fertilizer is irrigated；Planting area 3:Common fertilizer；Planting area 4：Pure biochemistry lignin organic slow-release liquid fertilizer is irrigated.
Base manure whole field period before the sowing applies, and, in administration in after planting 11 days, jointing fertilizer is in Differentiation of Wheat Ears for fetilizer for tillering
One phase applied (beginning ear period), and ear manuer applies (heading stage) in the Differentiation of Wheat Ears second phase, and granulated fertilizer is in Differentiation of Wheat Ears the 3rd
Phase applies (full heading time).
Observed and recorded seedlings of cereal crops growing state in process of the test, is carried out by region during results and receives full title, and measured with ruler
Plant height (cotyledonary node is to growing point).Experimental result is shown in Table 2.
The each planting area wheat different growing stages plant height of table 2
As shown in Table 2：
(1) different fertilization is larger on Growth of Wheat impact, wherein applies the little of organic slow-release liquid fertilizer formula fertilizer
Wheat is more projected in indexs such as tiller number, plant height, chlorophyll contents.
(2) maturity period different fertilization is had an impact to the yield and quality of wheat, applies the wheat of organic slow-release liquid fertilizer
Number of productive ear, spike length, grain number per spike, setting percentage, mass of 1000 kernel process higher with respect to common chemical fertilizer.
Claims (10)
1. a kind of stalk biochemistry lignin organic slow-release liquid fertilizer, it is characterised in that：It is made up of the raw material of following parts by weight：
Wherein, the preparation method of described high-activity biological matter lignin is as follows：
(1) using stalk as raw material, first pass through pulverizer carry out cutting off, dedusting, then at 2～6min of steam explosion under 2.0～5.0MPa,
Add alkali lye in the solid content that separation of solid and liquid is obtained backward, boiling at 78～135 DEG C separates 0.5～2h, obtains lignin black liquor；
(2) Ca (OH) of 15～90ppm is added in lignin black liquor2Flocculation sediment is carried out, is 18～23 μm through filtering accuracy
Filter is filtered, and obtains lignin clear liquid；
(3) lignin clear liquid is sent in tubular ultra-filtration membrane, control ultrafiltration membrane stack pressure is 5.0～8.0MPa, temperature be 30～
60 DEG C, flux be 50～90m3, ultrafiltration dope and ultrafiltration clear liquid is obtained, ultrafiltration dope is sent into ultrafiltration single effect evaporation separator
In, control evaporation negative pressure is -0.85～-0.89MPa, temperature is 70～90 DEG C, flux is 10～20m3, obtain ultrafiltration dense black
Liquid, ultrafiltration clear liquid is separated by filtration by rolling NF membrane, and control nanofiltration membrane stack pressure is 15.0～20.0MPa, temperature
It is 10～20m for 30～60 DEG C, flux3, nanofiltration dope and nanofiltration clear liquid is obtained, nanofiltration dope feeding nanofiltration single effect evaporation is divided
From device, control evaporating pressure is -0.85～-0.89MPa, temperature is 70～90 DEG C, 4～10m of flux3, obtain nanofiltration concentrated black liquid；
(4) ultrafiltration concentrated black liquid and nanofiltration concentrated black liquid are sent into spray dryer by conveying device respectively, control dry negative pressure for-
0.21～-0.53MPa, EAT are 200～300 DEG C, 90～180 DEG C of leaving air temp, finally give granularity for 200～300
Purpose high-activity biological matter lignin.
2. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：High molecular polymer is
PLA.
3. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：Cellulose mud cake be by
The lignin black liquor that paper mill produces carries out being obtained after press filtration through plate and frame filter press.
4. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：Acid hemicellulose liquid
After the cut-out of stalk size-reduced machine, 2～6min of steam explosion under 2.0～5.0MPa, in the solid content that separation of solid and liquid is obtained backward plus
Acid solution, 0.5～2h of boiling at 78～135 DEG C and the fermented waste fluid that produces.
5. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：Alkaline hemicellulose liquid
After the cut-out of stalk size-reduced machine, 2～6min of steam explosion under 2.0～5.0MPa, in the solid content that separation of solid and liquid is obtained backward plus
Alkali lye, 0.5～2h of boiling at 78～135 DEG C and the fermented waste fluid that produces.
6. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：Nitrogenous fertilizer is bicarbonate
Any one in ammonium, sodium nitrate, calcium nitrate, ammonium nitrate, calcium ammonium nitrate, urea.
7. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：Phosphate fertilizer be calcium phosphate,
Any one in double superhosphate, ammonium phosphate, calcium magnesium phosphate, thomas phosphate, ammoniated superphosphate, calcium metaphosphate.
8. stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 1, it is characterised in that：Potash fertilizer be plant ash or
Potassium carbonate.
9. the preparation method of the arbitrary described stalk biochemistry lignin organic slow-release liquid fertilizer of a kind of claim 1-8, its feature exist
In：First alkaline hemicellulose liquid, acid hemicellulose liquid, cellulose mud cake are mixed with high-activity biological matter lignin,
Sequentially add phytocytomine, high molecular polymer, nitrogenous fertilizer, phosphate fertilizer and potash fertilizer to be stirred, be eventually adding nitric acid tune
Section pH value, obtains stalk biochemistry lignin organic slow-release fertilizer.
10. the preparation method of stalk biochemistry lignin organic slow-release liquid fertilizer according to claim 9, it is characterised in that：Plus
Enter nitre acid for adjusting pH value for 8.5～10.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704886A (en) * | 2019-03-12 | 2019-05-03 | 湖南泰谷生态工程有限公司 | Straw manures and preparation method thereof |
| CN109721434A (en) * | 2019-03-15 | 2019-05-07 | 青岛汇君环境能源工程有限公司 | A kind of preparation process of the Liquid Fertilizer of biogas slurry compounding |
| CN110988270A (en) * | 2019-12-24 | 2020-04-10 | 南通中智检测服务有限公司 | Method for measuring content of quick-acting metal in solid water-insoluble fertilizer |
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| CN102746051A (en) * | 2011-04-19 | 2012-10-24 | 惠州市创之绿生态技术有限公司 | Lignin sustained-release fertilizer |
| CN103483596A (en) * | 2013-08-21 | 2014-01-01 | 安徽格义循环经济产业园有限公司 | Production method of biochemical lignin |
| CN104150998A (en) * | 2014-08-07 | 2014-11-19 | 华中科技大学 | Preparation method for organic/inorganic compound fertilizer |
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| CN1421423A (en) * | 2003-01-08 | 2003-06-04 | 中国科学院生态环境研究中心 | Organic-inorganic composite fertilizer with lignin |
| CN102746051A (en) * | 2011-04-19 | 2012-10-24 | 惠州市创之绿生态技术有限公司 | Lignin sustained-release fertilizer |
| CN103483596A (en) * | 2013-08-21 | 2014-01-01 | 安徽格义循环经济产业园有限公司 | Production method of biochemical lignin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704886A (en) * | 2019-03-12 | 2019-05-03 | 湖南泰谷生态工程有限公司 | Straw manures and preparation method thereof |
| CN109721434A (en) * | 2019-03-15 | 2019-05-07 | 青岛汇君环境能源工程有限公司 | A kind of preparation process of the Liquid Fertilizer of biogas slurry compounding |
| CN110988270A (en) * | 2019-12-24 | 2020-04-10 | 南通中智检测服务有限公司 | Method for measuring content of quick-acting metal in solid water-insoluble fertilizer |
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Application publication date: 20170308 |