CN106631181A - Nutritional agent for tobacco planting - Google Patents
Nutritional agent for tobacco planting Download PDFInfo
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- CN106631181A CN106631181A CN201611243848.2A CN201611243848A CN106631181A CN 106631181 A CN106631181 A CN 106631181A CN 201611243848 A CN201611243848 A CN 201611243848A CN 106631181 A CN106631181 A CN 106631181A
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- Prior art keywords
- temperature
- tobacco leaf
- oyster shell
- low
- nutritional agents
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F1/00—Fertilisers made from animal corpses, or parts thereof
- C05F1/005—Fertilisers made from animal corpses, or parts thereof from meat-wastes or from other wastes of animal origin, e.g. skins, hair, hoofs, feathers, blood
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention discloses a nutritional agent for tobacco planting. The nutritional agent for tobacco planting is prepared according to the following preparation method: (1) complete washing: completely washing waste oyster shells with clean water to remove silt and impurities from the surfaces of the oyster shells; (2) drying: drying and crushing the oyster shells obtained in the step (1) to obtain oyster shell coarse powder; (3) crushing at low temperature: performing low-temperature freezing and low-temperature sublimation drying on the oyster shell coarse powder obtained in the step (2) sequentially, and performing low-temperature crushing by an ultralow-temperature crushing machine at -80 to -120 DEG C and by taking liquid nitrogen as a grinding medium; (4) high-pressure microjet superfine pulverization treatment and drying to obtain the nutritional agent for tobacco planting. The nutritional agent for tobacco planting can remarkably increase each quality index of tobacco planting and can meet the planting requirements of high-quality tobaccos.
Description
Technical field
The present invention relates to tobacco leaf planting technical field, more particularly to tobacco leaf planting nutritional agents.
Background technology
China is tobacco planting big country, and planting the tobacco leaf for obtaining can be classified, special according to the quality of tobacco of different parts
Point is different, and the color reaction after the tobacco leaf modulation at same position interior quality, maturity, blade construction according to tobacco leaf, oil
Point, the classification such as colourity, length.After classification, there is substantial amounts of discarded tobacco leaf urgently to process and utilize every year, will otherwise cause environment
Pollution and the wasting of resources.
Chlorogenic acid is that content is most in tobacco, one of most important polyphenol compound, and it is plant in aerobic respiration
During Jing shikimic acid pathways produce a kind of phenylpropanoids, with antibacterial, antiviral, cholagogic, increase white blood cell etc.
Multiple pharmacological effect, is the important source material of the industry such as health products, food, medicine, cosmetics.Nicotine is main in natural baccy
Alkaloid, be important chemical industry and medical material；Highly purified nicotine can be used as give up smoking cream, the original for the treatment of arthralgia class medicine
Material, nicotine is also widely used in ecological agriculture development.As in recent years the rapid of the numerous areas such as medicine, agricultural, chemical industry is sent out
Exhibition, increases on market to natural nicotine, the requirement of chlorogenic acid and day Ju, therefore extraction nicotine, chlorogenic acid tool from Discarded Tobacco
There is very high economic worth, not only can turn waste into wealth, and the added value of tobacco can be improved, realize the comprehensive profit of tobacco
With.
Crassostrea rivularis, also known as big oyster, raw oyster, are one of big famous and precious marine products of Guangxi Qinzhou four, and meat can be eaten raw, also can be processed into
Dried oyster, oyster sauce.Big oyster oyster meat is the aquatic products with very high nutrition and health care of high protein, low fat, delicious flavour, oyster
Meat protein content is nutritious more than 40%, delicious flavour, have the title of " marine milk ", while can also be used as medicine.Big oyster meat
Rich in taurine, human brain development can be promoted.Crassostrea rivularis is nutritious, and it is propagated artificially and is concentrated mainly on Guangdong, Guangxi and good fortune
Build a band.It is precious that Crassostrea rivularis is whole body, and except eating something rare, it may also be used for be processed into oyster sauce, dried oyster, shell can also be fired
Lime or the calcium source as feed.In recent years charcoal burns raw oyster and is seen everywhere in streets and lanes, and sashimi oyster is also constantly sold well dining table, depth
Liked by consumers in general.
Since the 1950's, the amount of application cumulative year after year of Chinese chemical fertilizer, unit area applying quantity of chemical fertilizer also be in by
Year increasing trend.Chemical fertilizer plays increasing effect in agricultural production, but throughout the year excessively single administration chemical fertilizer can cause soil
The bad phenomenons such as earth is acidified and hardened, soil fertility is reduced, content of organic matter decline.And effect of the fertilizer in agricultural production
Oneself more has scholar to think phase it is well known that propose " organic agriculture ", the concept such as " ecological agriculture " successively in recent years based on this
For the chronic administration of chemical fertilizer, the administration of fertilizer is more beneficial for the sustainable development of agricultural.
Oyster shell is to be adjusted to be formed by biomineralization by organic matter, i.e., with a small amount of organic matter macromolecular (protein, sugared egg
White or polysaccharide) it is framework, molecule manipulation, the multiple microlayer structures of the high-sequential of composition are carried out in units of calcium carbonate.Oyster
The material composition of shell is divided into inanimate matter and organic matter two parts.Inanimate matter part accounts for oyster shell quality 90% based on calcium carbonate
More than, wherein calcium constituent accounts for (39.78 ± 0.23) %, additionally containing the various trace elements of copper, iron, zinc, manganese, strontium etc. 20.It is male
The organic principle of oyster shell accounts for the 3-5% of oyster shell quality, containing 17 kinds of amino acid such as glycine, cystine, methionine.Shell
Organic matter fractions be divided into SOM and insoluble organic matter again, its content with shell species it is different with growth period and
It is different, the 0.01-10% of shell dry mass is typically constituted from, wherein SOM content is less, accounts for 0.03-5%.
Resource circulation utilization and eco-energy environmental protection are the targets of China's Long-and Medium-term Development most important thing.It has been investigated that male
Oyster shell can switch to organic nutrient aganic nutrient agent Jing after appropriate PROCESS FOR TREATMENT, return plantation tobacco leaf, obtain good effect.
The content of the invention
The invention provides tobacco leaf planting nutritional agents, can significantly improve the content of active component in tobacco leaf, as tobacco leaf
Raw material is extracted, added value is increased.
The present invention is achieved through the following technical solutions：
Tobacco leaf planting nutritional agents, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain oyster shell meal；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, after cryogenic freezing and low-temperature distillation drying are carried out successively
With liquid nitrogen as abrasive media, low-temperature grinding is carried out with super-low temperature pulverizator at -80--120 DEG C；
4. high pressure microjet ultramicro grinding is processed：The material that 3. step is obtained adds pure water to be well mixed, with a high speed
Emulsification pretreatment machine process, is then processed with high pressure microjet Ultra-Micro Grinding Equipment, obtains paste serous material, is dried to obtain tobacco leaf
The nutritional agents of plantation.
The 2. described crushing of step of the present invention, is preferably crushed to granularity in 80-100 mesh with ball mill；
The 3. described cryogenic freezing of step, preferable temperature 0--18 DEG C, more preferably -10--18 DEG C；
The 4. described addition pure water of step, is preferably added to the pure water of 5-6 times of weight；The 4. described high pressure of step is micro- to be penetrated
Stream ultramicro grinding is processed, and the material for preferably 3. obtaining step adds 5-6 times of weight pure water to be well mixed, with high speed shear breast
Change machine processes 5-10min, is then processed in 25 DEG C with high pressure microjet Ultra-Micro Grinding Equipment, and processing pressure is 60-
80MPa, number of processes is 2-3 time, obtains paste serous material；Described drying, preferred moisture is 10% and less.
The nutritional agents of tobacco leaf planting of the present invention, when in use, nutritional agents is managed in the field of tobacco leaf planting
In the reason stage, apply as base fertilizer.
Compared with prior art, advantages of the present invention：
1st, freeze grinding technology, because the price of refrigerant is higher, is restricted, the now in actual industrial production
Succeeded using useless cold liquid nitrogen of producing during natural gas gasifying, liquid nitrogen prices, freeze grinding technology is just developed, but
The technology application aquaculture has not been reported.Ultralow temperature crushing technology is present invention employs, oyster shell is carried out successively low temperature
With liquid nitrogen as abrasive media after freezing, low-temperature distillation drying, low temperature powder is carried out with super-low temperature pulverizator at -80-120 DEG C
It is broken, using low temperature brittleness characteristic, the material for being difficult to crush in thermal sensitivity or normal temperature can be crushed, prevent rotten when crushing.
2nd, the present invention processes the oyster husk as raw material for obtaining using high pressure microjet ultramicro grinding, not using adventitious solvent,
Material can be directly crushed to the powerful shearing force and impulsive force produced by the process of high pressure microjet ultramicro grinding cellular level,
The inanimate matter contained in oyster shell and organic matter are crushed, small of the solvable or insoluble trace element of formation and amino acid etc.
Grain, the chitin for particularly wherein containing etc., as nutritional agents, beneficial to the absorption of plant.
3rd, the nutritional agents that the present invention is obtained, from the discarded object of oyster, both can solve to be produced in marine organisms process
Raw residue contamination problem, also solves the security hidden trouble of applying pesticides chemical fertilizer and heavy-metal residual, energy-conservation from source
It is environmentally friendly, pollution-free, no added, it is cheap, it is truly realized " green manure ".This ecological circulation utilizes technology, fundamentally solves
Soil of having determined is bad because excessively applying the soil acidification and hardened, soil fertility reduction that chemical fertilizer causes, content of organic matter decline etc.
Phenomenon.
Specific embodiment
Below with embodiment, the invention will be further described, but the invention is not limited in these embodiments.
Embodiment 1：
Tobacco leaf planting nutritional agents, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain 80 mesh oyster shell meal with ball mill；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, carries out successively 0 DEG C of cryogenic freezing and low-temperature distillation is dried
Afterwards with liquid nitrogen as abrasive media, low-temperature grinding is carried out with super-low temperature pulverizator at -80 DEG C；
4. high pressure microjet ultramicro grinding is processed, and the material that 3. step is obtained adds 5 times of weight pure water to be well mixed,
10min is processed with high-speed shearing emulsion machine, is then processed in 25 DEG C with high pressure microjet Ultra-Micro Grinding Equipment, processing pressure
For 60MPa, number of processes is 2 times, obtains paste serous material, is dried to obtain tobacco leaf planting nutritional agents.
Embodiment 2：
Tobacco leaf planting nutritional agents, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain 100 mesh oyster shell meal with ball mill；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, carries out successively -10 DEG C of cryogenic freezings and low-temperature distillation is dry
With liquid nitrogen as abrasive media after dry, low-temperature grinding is carried out with super-low temperature pulverizator at -100 DEG C；
4. high pressure microjet ultramicro grinding is processed, and the material that 3. step is obtained adds 6 times of weight pure water to be well mixed,
5min is processed with high-speed shearing emulsion machine, is then processed in 25 DEG C with high pressure microjet Ultra-Micro Grinding Equipment, processing pressure
For 70MPa, number of processes is 3 times, obtains paste serous material, is dried to obtain tobacco leaf planting nutritional agents.
Embodiment 3：
Tobacco leaf planting nutritional agents, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain 100 mesh oyster shell meal with ball mill；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, carries out successively -18 DEG C of cryogenic freezings and low-temperature distillation is dry
With liquid nitrogen as abrasive media after dry, low-temperature grinding is carried out with super-low temperature pulverizator at -120 DEG C；
4. high pressure microjet ultramicro grinding is processed, and the material that 3. step is obtained adds 5 times of weight pure water to be well mixed,
10min is processed with high-speed shearing emulsion machine, is then processed in 25 DEG C with high pressure microjet Ultra-Micro Grinding Equipment, processing pressure
For 80MPa, number of processes is 2 times, obtains paste serous material, is dried to obtain tobacco leaf planting nutritional agents.
Comparative example 1：
The nutritional agents of embodiment and comparative example 2-4 is not used.
Comparative example 2：
The nutritional agents of tobacco leaf planting, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain 100 mesh oyster shell meal with ball mill；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, carries out successively -18 DEG C of cryogenic freezings and low-temperature distillation is dry
With liquid nitrogen as abrasive media after dry, low-temperature grinding is carried out with super-low temperature pulverizator at -120 DEG C；
4. heating extraction：The material that 3. step is obtained adds the pure water of 5 times of weight to be well mixed, and heating extraction, carries
Liquid centrifugation is taken, 10000r/min, 5min, the slag for obtaining adds the pure water of 5 times of weight heating extraction, extract centrifugation,
10000r/min, 5min, merge supernatant, are dried to obtain tobacco leaf planting nutritional agents.
Comparative example 3：
The nutritional agents of tobacco leaf planting, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain 100 mesh oyster shell meal with ball mill；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, carries out successively -18 DEG C of cryogenic freezings and low-temperature distillation is dry
With liquid nitrogen as abrasive media after dry, low-temperature grinding is carried out with super-low temperature pulverizator at -120 DEG C, obtain tobacco leaf planting battalion
Foster agent.
Comparative example 4：
The nutritional agents of tobacco leaf planting, is obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain 100 mesh oyster shell meal with ball mill；
3. high pressure microjet ultramicro grinding is processed, and the material that 3. step is obtained adds 5 times of weight pure water to be well mixed,
10min is processed with high-speed shearing emulsion machine, is then processed in 25 DEG C with high pressure microjet Ultra-Micro Grinding Equipment, processing pressure
For 80MPa, number of processes is 2 times, obtains paste serous material, is dried to obtain tobacco leaf planting nutritional agents.
Experimental example：
The nutritional agents of tobacco leaf planting establishes GAP base in Field information company in Qinzhou Prefecture, by making
The nutritional agents of the tobacco leaf planting that technique is obtained, in base contrast test has been carried out, main to investigate Different Nutrition agent to tobacco leaf kind
Plant and the impact of quality.In base, design experiment field, every piece of experimental plot area is 5 mu, and comparative example and embodiment 3 are applied respectively
The nutritional agents for obtaining, comparative example 1 as blank example, comparative example 2-4 and embodiment 3 on the basis of comparative example, by nutritional agents
300kg is applied in the field management stage of tobacco leaf planting as base fertilizer.
Tobacco leaf picking, after classification, by the waste/hypo-tobacco leaf for obtaining, as raw material chlorogenic acid extracting, nicotine, calculates content.
Extracting method：Using ultrasonic wave added Enzymatic Extraction waste/hypo-tobacco leaf Content of Chlorogenic Acid, the technique of nicotine, green original in tobacco leaf
Acid, nicotine are while the process conditions extracted are：To be dried waste/hypo-tobacco leaf as raw material after crushing, 1 is added:10 (solid-liquid ratio, w/w)
Water, add cellulase, constant temperature enzymolysis, enzyme dosage 1% (in terms of quality of tobacco), enzymolysis time 1.5h, hydrolysis temperature 50
DEG C, the tobacco leaf after ferment treatment extracts 30min under ul-trasonic irradiation, calculates chlorogenic acid, the content of nicotine.
Analysis method：Chlorogenic acid adopt high performance liquid chromatography quantitative analysis chromatographic condition for：Chromatographic column HypersiIBD-
C18(250mmX4.6mm i.d)；The acetic acid of 25% second eyeball of mobile phase+0.5%；Flow velocity 1mL/min；30 DEG C of injector temperature；Sample size
10μL；Detection wavelength 280nm.
Nicotine is determined：Chromatographic condition is：Alitima-C18(150mmx4.6mm i.d)；Methyl alcohol-phosphate buffer (8：
2)；Detection wavelength 262nm；Flow velocity 1mL/min；25 DEG C of column temperature.
The mean value of 3 samples in test plot.
Conclusion：The sample result of embodiment 3 is better than comparative example.
Claims (5)
1. tobacco leaf planting nutritional agents, it is characterised in that obtained using following preparation method：
1. washing：Discarded oyster shell is cleaned with clear water, the silt and impurity on oyster shell surface is removed；
2. it is dried：The oyster shell that 1. step is obtained is dried, crushes to obtain oyster shell meal；
3. low-temperature grinding：The oyster shell meal that 2. step is obtained, is carried out successively after cryogenic freezing and low-temperature distillation drying with liquid
Nitrogen is abrasive media, and low-temperature grinding is carried out with super-low temperature pulverizator at -80--120 DEG C；
4. high pressure microjet ultramicro grinding is processed：The material that 3. step is obtained adds pure water to be well mixed, and uses high speed shear
Mulser process, is then processed with high pressure microjet Ultra-Micro Grinding Equipment, obtains paste serous material, is dried to obtain tobacco leaf planting
Nutritional agents.
2. tobacco leaf planting nutritional agents according to claim 1, it is characterised in that：The 2. described crushing of step, is with ball
Grinding machine is crushed to granularity in 80-100 mesh.
3. tobacco leaf planting nutritional agents according to claim 1, it is characterised in that：The 3. described cryogenic freezing of step, temperature
Spend for 0--18 DEG C.
4. tobacco leaf planting nutritional agents according to claim 1, it is characterised in that：The 4. described addition pure water of step,
It is the pure water for adding 5-6 times of weight.
5. tobacco leaf planting nutritional agents according to claim 1, it is characterised in that：The 4. described high pressure microjet of step surpasses
Crushing of Ultrafine process, is that the material for 3. obtaining step adds 5-6 times of weight pure water to be well mixed, and is used at high-speed shearing emulsion machine
Reason 5-10min, is then processed with high pressure microjet Ultra-Micro Grinding Equipment in 25 DEG C, and processing pressure is 60-80MPa, is processed
Number of times is 2-3 time, obtains paste serous material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243848.2A CN106631181A (en) | 2016-12-29 | 2016-12-29 | Nutritional agent for tobacco planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243848.2A CN106631181A (en) | 2016-12-29 | 2016-12-29 | Nutritional agent for tobacco planting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106631181A true CN106631181A (en) | 2017-05-10 |
Family
ID=58835649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611243848.2A Pending CN106631181A (en) | 2016-12-29 | 2016-12-29 | Nutritional agent for tobacco planting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184066A (en) * | 2018-12-13 | 2019-08-30 | 青岛农特生物科技有限责任公司 | A kind of soil conditioner and preparation method thereof for tobacco field acid soil |
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| CN1437888A (en) * | 2003-02-10 | 2003-08-27 | 浙江省中药研究所 | Method for preparing purple mussel powder |
| CN102515892A (en) * | 2011-10-26 | 2012-06-27 | 周玉涛 | Biomass organic fertilizer and its processing method |
| CN104117418A (en) * | 2014-07-16 | 2014-10-29 | 华南农业大学 | Chitin crushing method |
| CN104770562A (en) * | 2015-03-23 | 2015-07-15 | 嵊泗县绿贻贝壳生态开发有限公司 | Shell utilization method |
| CN104876651A (en) * | 2015-05-18 | 2015-09-02 | 张家港市鸿嘉数字科技有限公司 | Organic fertilizer and preparation method thereof |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437888A (en) * | 2003-02-10 | 2003-08-27 | 浙江省中药研究所 | Method for preparing purple mussel powder |
| CN102515892A (en) * | 2011-10-26 | 2012-06-27 | 周玉涛 | Biomass organic fertilizer and its processing method |
| CN104117418A (en) * | 2014-07-16 | 2014-10-29 | 华南农业大学 | Chitin crushing method |
| CN104770562A (en) * | 2015-03-23 | 2015-07-15 | 嵊泗县绿贻贝壳生态开发有限公司 | Shell utilization method |
| CN104876651A (en) * | 2015-05-18 | 2015-09-02 | 张家港市鸿嘉数字科技有限公司 | Organic fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184066A (en) * | 2018-12-13 | 2019-08-30 | 青岛农特生物科技有限责任公司 | A kind of soil conditioner and preparation method thereof for tobacco field acid soil |
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Application publication date: 20170510 |