CN104973928A - Biomass charcoal enveloped organic fertilizer and preparation method thereof - Google Patents
Biomass charcoal enveloped organic fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN104973928A CN104973928A CN201510223825.4A CN201510223825A CN104973928A CN 104973928 A CN104973928 A CN 104973928A CN 201510223825 A CN201510223825 A CN 201510223825A CN 104973928 A CN104973928 A CN 104973928A
- Authority
- CN
- China
- Prior art keywords
- parts
- fertilizer
- water
- binding agent
- biomass charcoal
- 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 biomass charcoal enveloped organic fertilizer and a preparation method thereof. The fertilizer is prepared from the raw materials of, by weight, 30-50 parts of rice straw, 10-20 parts of bamboo, 35-60 parts of vegetable and fruit garbage, 20-35 parts of peanut cake, 20-30 parts of dry cow dung, 10-15 parts of clay, 2-3 parts of an EM inoculant, 15-25 parts of ammonium nitrate, 16-24 parts of potassium permanganate, 6-10 parts of EDTA chelated manganese, 20-30 parts of ammonium sulfate, 18-26 parts of potassium monohydrogen phosphate, 6-8 parts of a binding agent, and a proper amount of water. The fertilizer provided by the invention has an excellent controlled release effect, and is an environment-friendly fertilizer. With the fertilizer, the use of inorganic chemical fertilizers is greatly reduced, and energy is saved. The fertilizer is strategically significant to the sustainable development in the future.
Description
Technical field
The invention belongs to the Technology field of fertilizer, be specifically related to organic fertilizer of a kind of biomass charcoal coating and preparation method thereof.
Background technology
Slow release fertilizer can not only improve utilization rate of fertilizer, can also reduce the negative impact of fertilising to environment, cause the extensive concern of scholar in recent years.The research of current coated slow release fertilizer mainly concentrates on the selection of coated fertilizer and researches and develops, and organic high molecular polymer coated slow release fertilizer can slow down nutrients release, improves fertilizer utilization efficiency, has obtained general approval.
But it mostly uses lipid-soluble substance in process of production, use rear easily to environment, the reason such as expensive, limits applying of this kind of fertilizer in addition.Therefore, seek environmental friendliness, mould material that is cheap, had good sustained release effect becomes the study hotspot in this field.Biomass charcoal has the pore texture of height, can increase soil porosity and strengthen retention capacity of soil, reducing soil bulk density, favourable plant root growth; Simultaneously containing the nutritive element needed for a large amount of plant, promote soil nutrient circulation and plant-growth; Also have higher biological stability, the ability of stronger opposing microbial decomposition, can strengthen the carbon solidification effect of soil, reduces the release of carbon to air.If biomass charcoal is prepared coated slow releasing fertilizer as mould material, fertilizer nutrient release rate can not only be slowed down, improve utilization rate of fertilizer, and good ecological environment benefit can be brought.Therefore, carbonization rice husk is utilized to prepare the coated slow releasing fertilizer of 3 kinds of different thickness for main membrane material herein, emphasis has inquired into the thickness of biomass charcoal to the impact of the Nutrient Release of coated slow releasing fertilizer, to providing foundation for the research and development of China's environment-friendly type slow release fertilizer and application.
Summary of the invention
A kind of organic fertilizer of biomass charcoal coating, it is characterized in that, be made up of the raw material of following weight part: rice straw 30 ~ 50, bamboo 10 ~ 20, fruits and vegetables rubbish 35 ~ 60, peanut cake 20 ~ 35, dry cow dung 20 ~ 30, clay 10 ~ 15, EM microbial inoculum 2 ~ 3, ammonium nitrate 15 ~ 25, potassium permanganate 16 ~ 24, EDTA Chelated Manganese 6 ~ 10, ammonium sulfate 20 ~ 30, potassium phosphate,monobasic 18 ~ 26, binding agent 6 ~ 8 and appropriate water;
Described binding agent is made up of the raw material of following weight part: polyvinyl alcohol 10 ~ 15, limestone powder 3 ~ 5, coal tar 4 ~ 7, sodium bicarbonate 1 ~ 2, chitin 2 ~ 4, Sodium dodecylbenzene sulfonate 1 ~ 2.5, tributyl phosphate 0.5 ~ 1, ethanol 6 ~ 10 and water 50; Preparation method is in a kettle., by ethanol and water mixed diluting, then coal tar, Sodium dodecylbenzene sulfonate, sodium bicarbonate and tributyl phosphate is added, be heated to 70 ~ 80 DEG C, constant temperature stirs 30 ~ 40min with 350 ~ 600r/min rotating speed, to leave standstill after 20min to lather collapse under keeping warm mode, be finally blended into polyvinyl alcohol, limestone powder and chitin, under 60 ~ 75 DEG C of conditions, be stirred to uniform emulsion and get final product.
A preparation method for the organic fertilizer of biomass charcoal coating, is characterized in that, comprises following step:
(1) mixing water rice straw and bamboo, first preliminary pulverizing, then add water to liquid level and exceed material 15 ~ 20cm, soak vibration 8 ~ 10h, ball milling 10 ~ 15min becomes homogenate, dries to obtain pulvis, under air-proof condition, put into charring furnace, temperature 600 ~ 700 DEG C carries out heating charing 5 ~ 8h, obtains carbonizing production after being cooled to room temperature;
(2) mix fruits and vegetables rubbish, peanut cake, dry cow dung and clay, spray the EM microbial inoculum of 10 times, use water dilution, fully adjustment water content 60% after mixing, under 36 ~ 42 DEG C of conditions, heap fermentation 18 ~ 25 days, obtains tunning;
(3) mixing ammonium nitrate, potassium permanganate, EDTA Chelated Manganese, ammonium sulfate, potassium phosphate,monobasic and other following remaining component do not related to, be crushed to 40 mesh sieves, add the tunning of (2), add water adjustment water content to 40% in right amount, makes the particle of 3 ~ 4mm particle diameter;
(4) binding agent is added in the carbonizing production of (1), add water and be modulated into water content 70 ~ 80% and stick with paste uniformly, then the particle described in (3) is put into coating machine and be preheating to 80 ~ 90 DEG C, on particle, thickener is sprayed at interval, 2 ~ 3 times repeatedly, finally logical hot-air seasoning.
The peplos composition coated carbamide that the present invention adopts the crude active charcoal components matching binding agent of charring rice husk to make, then probes into the release conditions of coated carbamide in soil.
Supply examination soil to be cinnamon soil, it is 46.2% that urea adopts oarse-grained diameter to be 3.0 ~ 4.0mm nitrogen content, and binding agent is the polyvinyl alcohol water solution of concentration 5.0%.
Encapsulation tool is the agent of rotary drum sugar-coat coating, high-pressure spray-painted rifle.Step is that the granular urea taking 1.0kg uniform particle sizes is poured in transferring shares of rotation, be heated to about 40 DEG C, according to the consumption of every kilogram of fertilizer 50ml binding agent, binding agent is sprayed on granular urea, a certain amount of charring rice husk is joined in rotary drum, sprays binding agent simultaneously, make material rolling granulating, repeatedly several times, until wrap up complete.Finally obtain lapping consumption account for be wrapped weight of fertilizer 10%, 15%, 20% ratio, altogether prepare 3 kinds of coated slow releasing fertilizers, be expressed as SRF10, SRF15, SRF20.
Adopt 200 object plastics filter clothes to internal diameter 4.72cm, high 15.24 pvc pipe back cover make drip washing post, take soil as drip washing medium, fertilizer amount adds in the ratio of N 0.6g/kg wind desiceted soil the coated slow releasing fertilizer developed voluntarily; Contrast (use the urea without parcel, CK represents) and blank totally 5 process are set simultaneously, each process repetition 3 times.The earth pillar having fertilizer to be mixed into first loads when loading the wind desiceted soil that 50g is not mixed into fertilizer, reinstalls in pvc pipe, a little quartz sand in its upper berth after remaining wind desiceted soil and test fertilizer fully mix.
Earth pillar is made rear 100ml distilled water and slowly and is in multiple times dripped earth pillar and make soil fully wetting, but unlikely excessive water oozes out from earth pillar, starts first time drip washing after leaving standstill 24h.When drip washing adds water, the volumetric flask that 100ml distilled water is housed is inverted in soil surface, makes water layer earth pillar being formed thick about 1.0cm, ensure that drip washing head is constant.Receive leacheate with triangular flask, each drip washing terminates rear thorn foraminate plastics film grave mound post mouth, and is placed in 30 DEG C of incubators and cultivates.After 3 days, take out earth pillar, carry out drip washing next time, altogether drip washing 8 times, leacheate azotometer (FOSS Kjeltec TM 8100) measures total nitrogen content.
The nutrients release process of coated slow releasing fertilizer can describe with Logistic curve, and the expression formula of this curve is such as formula (l).Y=k/1+e
a-Rt, y is Nitrogen Accumulation release rate, and k is nitrogen cumulative maximum burst size (generally getting k=l00%), a and R is constant, t be the drip washing time (my god).The Nitrogen Accumulation release rate of coated slow releasing fertilizer and control treatment is that the full nitrogen cumulative release amount of each fertilizer treatment accounts for the per-cent of each fertilizer treatment nitrogen total amount with the difference of the full nitrogen cumulative release amount of non-fertilizer treatment, the results are shown in Figure 1.
As can be seen from Figure 1, CK fertilizer just had the nutrients release of 50% at first 3 days, released the nutrient of about 90% the 10th day time.This accumulation Nitrogen releasing amount in time change procedure can be expressed with following formula: y=ke
b/t(k>0, b<0)
(2), in formula, k is the maximum Nitrogen Accumulation burst size of fertilizer; B is release rate constant.Carrying out numerical fitting result by the accumulation Nitrogen releasing amount of (2) formula to non-coated urea is: y=0.91165e
-0.9633/t, the relation conefficient of this formula is 0.95, reaches P<0.01 significant correlation level.
3 kinds of coated slow releasing fertilizers are compared with CK fertilizer, and Nitrogen Accumulation dispose procedure is relatively milder, and is about 80% in cultivation about the 30th day nutrients accumulation burst size, illustrates that this coated slow releasing fertilizer is applicable to the nutritional needs of shorter crop breeding time.
The rule of coated slow releasing fertilizer Nitrogen releasing can be described well with Logistic curve, for namely the Nitrogen Accumulation burst size fit equation differentiate of 2.2 slow release fertilizer release rate of nitrogen features to coated slow releasing fertilizer shown in Fig. 1 and CK be release rate of nitrogen curve, the results are shown in Figure 2.SRF20 initial stage release rate is significantly less than other two kinds of fertilizer, namely fertilizer integument is thicker, fertilizer is less at the nitrogen release rate of first day, illustrate and can be considered poroid material between integument particle and particle, water molecules is dissipated to fertilizer core by these holes, integument thickness increases, and it is long that moisture enters the fertile heart time, causes SRF20 to discharge nitrogen and causes initial stage nitrogen release rate minimum time lag.SRF10, SRF15, SRF20 nitrogen rate of release every day maximum value is respectively 1.95%, 1.96%, 1.95%, appear at respectively drip washing start after the 8th, 12 and 18 day.3 kinds of fertilizer rate of release maximum value differences are not obvious, but occur that the time of maximum value increases along with integument thickness and obviously extends.
Constant temperature indoor soil-column drip washing analog reslt shows, biomass charcoal (carbonization rice husk) is utilized to be lapping, the coating agent bundled slow-releasing fertilizer that binding agent prepared by the polyvinyl alcohol water solution of 5.0% coordinates biomass charcoal to make is feasible, nutrient releasing speed thickens along with integument and diminishes, and can select suitable Jacket thickness according to the nutrient demand of different crops simultaneously.
Beneficial effect of the present invention: by organic acid, the organic colloid of soil, inorganic salt, inorganic mineral etc. that fruits and vegetables rubbish, peanut cake, dry cow dung etc. are obtained enriching by fermentation, make refuse huge profit with for regenerative ratio, the coated fertilizer that the biomass charcoal simultaneously utilizing straw charring to obtain is made in conjunction with binding agent carries out coating, there is fabulous slow release effect, become a kind of environmentally friendly fertilizer, greatly reduce the use of inorganic chemical fertilizer, save the energy, to the Sustainable development in future, there is important strategic importance.
Accompanying drawing explanation
Fig. 1 is coated slow releasing fertilizer Nitrogen Accumulation release rate (amount) curve over time;
Fig. 2 is the release rate of nitrogen curve over time of coated slow releasing fertilizer;
Embodiment
Embodiment 1:
A kind of organic fertilizer of biomass charcoal coating, it is characterized in that, be made up of the raw material of following weight part (kg): rice straw 40, bamboo 15, fruits and vegetables rubbish 60, peanut cake 30, dry cow dung 20, clay 12, EM microbial inoculum 3, ammonium nitrate 15, potassium permanganate 20, EDTA Chelated Manganese 10, ammonium sulfate 28, potassium phosphate,monobasic 25, binding agent 6 and appropriate water;
Described binding agent is made up of the raw material of following weight part: polyvinyl alcohol 12, limestone powder 3, coal tar 4, sodium bicarbonate 1, chitin 2, Sodium dodecylbenzene sulfonate 1, tributyl phosphate 0.8, ethanol 7 and water 50; Preparation method is in a kettle., by ethanol and water mixed diluting, then coal tar, Sodium dodecylbenzene sulfonate, sodium bicarbonate and tributyl phosphate is added, be heated to 70 ~ 80 DEG C, constant temperature stirs 30 ~ 40min with 350 ~ 600r/min rotating speed, to leave standstill after 20min to lather collapse under keeping warm mode, be finally blended into polyvinyl alcohol, limestone powder and chitin, under 60 ~ 75 DEG C of conditions, be stirred to uniform emulsion and get final product.
A preparation method for the organic fertilizer of biomass charcoal coating, is characterized in that, comprises following step:
(1) mixing water rice straw and bamboo, first preliminary pulverizing, then add water to liquid level and exceed material 15 ~ 20cm, soak vibration 8 ~ 10h, ball milling 10 ~ 15min becomes homogenate, dries to obtain pulvis, under air-proof condition, put into charring furnace, temperature 600 ~ 700 DEG C carries out heating charing 5 ~ 8h, obtains carbonizing production after being cooled to room temperature;
(2) mix fruits and vegetables rubbish, peanut cake, dry cow dung and clay, spray the EM microbial inoculum of 10 times, use water dilution, fully adjustment water content 60% after mixing, under 36 ~ 42 DEG C of conditions, heap fermentation 18 ~ 25 days, obtains tunning;
(3) mixing ammonium nitrate, potassium permanganate, EDTA Chelated Manganese, ammonium sulfate, potassium phosphate,monobasic and other following remaining component do not related to, be crushed to 40 mesh sieves, add the tunning of (2), add water adjustment water content to 40% in right amount, makes the particle of 3 ~ 4mm particle diameter;
(4) binding agent is added in the carbonizing production of (1), add water and be modulated into water content 70 ~ 80% and stick with paste uniformly, then the particle described in (3) is put into coating machine and be preheating to 80 ~ 90 DEG C, on particle, thickener is sprayed at interval, 2 ~ 3 times repeatedly, finally logical hot-air seasoning.
The organic fertilizer of biomass charcoal coating of the present invention is used for plant common agricultural experiment, select 5 mu of planting bases, use fertilizer of the present invention, as experimental group, common fertilizer is executed in 5 mu of bases of control group routinely planting requirement, other condition is identical, experiment proves, when using identical amount fertilizer, the farm crop of experimental group plantation, its stalk and branches and leaves more sturdy, growing way is obviously better than control group, output obviously promotes, save labour simultaneously, protection of the environment, soil organic matter content exceeds control group more than 50% after testing, economy comparatively improves 23.7% former years, and there is permanent strategic development meaning.
Claims (2)
1. the organic fertilizer of a biomass charcoal coating, it is characterized in that, be made up of the raw material of following weight part: rice straw 30 ~ 50, bamboo 10 ~ 20, fruits and vegetables rubbish 35 ~ 60, peanut cake 20 ~ 35, dry cow dung 20 ~ 30, clay 10 ~ 15, EM microbial inoculum 2 ~ 3, ammonium nitrate 15 ~ 25, potassium permanganate 16 ~ 24, EDTA Chelated Manganese 6 ~ 10, ammonium sulfate 20 ~ 30, potassium phosphate,monobasic 18 ~ 26, binding agent 6 ~ 8 and appropriate water;
Described binding agent is made up of the raw material of following weight part: polyvinyl alcohol 10 ~ 15, limestone powder 3 ~ 5, coal tar 4 ~ 7, sodium bicarbonate 1 ~ 2, chitin 2 ~ 4, Sodium dodecylbenzene sulfonate 1 ~ 2.5, tributyl phosphate 0.5 ~ 1, ethanol 6 ~ 10 and water 50; Preparation method is in a kettle., by ethanol and water mixed diluting, then coal tar, Sodium dodecylbenzene sulfonate, sodium bicarbonate and tributyl phosphate is added, be heated to 70 ~ 80 DEG C, constant temperature stirs 30 ~ 40min with 350 ~ 600r/min rotating speed, to leave standstill after 20min to lather collapse under keeping warm mode, be finally blended into polyvinyl alcohol, limestone powder and chitin, under 60 ~ 75 DEG C of conditions, be stirred to uniform emulsion and get final product.
2. the preparation method of a kind of organic fertilizer of biomass charcoal coating according to claim 1, is characterized in that, comprise following step:
(1) mixing water rice straw and bamboo, first preliminary pulverizing, then add water to liquid level and exceed material 15 ~ 20cm, soak vibration 8 ~ 10h, ball milling 10 ~ 15min becomes homogenate, dries to obtain pulvis, under air-proof condition, put into charring furnace, temperature 600 ~ 700 DEG C carries out heating charing 5 ~ 8h, obtains carbonizing production after being cooled to room temperature;
(2) mix fruits and vegetables rubbish, peanut cake, dry cow dung and clay, spray the EM microbial inoculum of 10 times, use water dilution, fully adjustment water content 60% after mixing, under 36 ~ 42 DEG C of conditions, heap fermentation 18 ~ 25 days, obtains tunning;
(3) mixing ammonium nitrate, potassium permanganate, EDTA Chelated Manganese, ammonium sulfate, potassium phosphate,monobasic and other following remaining component do not related to, be crushed to 40 mesh sieves, add the tunning of (2), add water adjustment water content to 40% in right amount, makes the particle of 3 ~ 4mm particle diameter;
(4) binding agent is added in the carbonizing production of (1), add water and be modulated into water content 70 ~ 80% and stick with paste uniformly, then the particle described in (3) is put into coating machine and be preheating to 80 ~ 90 DEG C, on particle, thickener is sprayed at interval, 2 ~ 3 times repeatedly, finally logical hot-air seasoning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223825.4A CN104973928A (en) | 2015-05-05 | 2015-05-05 | Biomass charcoal enveloped organic fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223825.4A CN104973928A (en) | 2015-05-05 | 2015-05-05 | Biomass charcoal enveloped organic fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104973928A true CN104973928A (en) | 2015-10-14 |
Family
ID=54270951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510223825.4A Pending CN104973928A (en) | 2015-05-05 | 2015-05-05 | Biomass charcoal enveloped organic fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104973928A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753593A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | Watermelon fertilizer for promoting growth and preparation method of watermelon fertilizer |
| CN105837341A (en) * | 2016-05-27 | 2016-08-10 | 安徽云锦农业科技发展有限公司 | Root system heat preservation coated fertilizer for nursery plants |
| CN105859426A (en) * | 2016-05-17 | 2016-08-17 | 安徽永冠农业科技有限公司 | Watermelon fertilizer capable of sterilizing and preparation method thereof |
| CN105948945A (en) * | 2016-06-28 | 2016-09-21 | 李建涛 | Bamboo-made biomass organic fertilizer for planting of vegetables |
| CN106045666A (en) * | 2016-05-27 | 2016-10-26 | 安徽云锦农业科技发展有限公司 | Antibacterial coated fertilizer for nursery plants |
| CN108558569A (en) * | 2018-05-07 | 2018-09-21 | 句容宇发农业发展有限公司 | A kind of preparation method of charcoal composite fertilizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772021A (en) * | 2014-01-14 | 2014-05-07 | 凤台县珠莹葡萄种植专业合作社 | Disease and pest preventive EM (Effective Microorganism) fermented compound fertilizer for seedless grape |
| CN104446935A (en) * | 2014-11-20 | 2015-03-25 | 中国水稻研究所 | Production method of biological carbon coated controlled-release fertilizer |
| CN104478536A (en) * | 2014-10-23 | 2015-04-01 | 合肥智上农业开发有限公司 | A microorganism composite ecological fertilizer and a preparing method thereof |
-
2015
- 2015-05-05 CN CN201510223825.4A patent/CN104973928A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772021A (en) * | 2014-01-14 | 2014-05-07 | 凤台县珠莹葡萄种植专业合作社 | Disease and pest preventive EM (Effective Microorganism) fermented compound fertilizer for seedless grape |
| CN104478536A (en) * | 2014-10-23 | 2015-04-01 | 合肥智上农业开发有限公司 | A microorganism composite ecological fertilizer and a preparing method thereof |
| CN104446935A (en) * | 2014-11-20 | 2015-03-25 | 中国水稻研究所 | Production method of biological carbon coated controlled-release fertilizer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753593A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | Watermelon fertilizer for promoting growth and preparation method of watermelon fertilizer |
| CN105859426A (en) * | 2016-05-17 | 2016-08-17 | 安徽永冠农业科技有限公司 | Watermelon fertilizer capable of sterilizing and preparation method thereof |
| CN105837341A (en) * | 2016-05-27 | 2016-08-10 | 安徽云锦农业科技发展有限公司 | Root system heat preservation coated fertilizer for nursery plants |
| CN106045666A (en) * | 2016-05-27 | 2016-10-26 | 安徽云锦农业科技发展有限公司 | Antibacterial coated fertilizer for nursery plants |
| CN105948945A (en) * | 2016-06-28 | 2016-09-21 | 李建涛 | Bamboo-made biomass organic fertilizer for planting of vegetables |
| CN108558569A (en) * | 2018-05-07 | 2018-09-21 | 句容宇发农业发展有限公司 | A kind of preparation method of charcoal composite fertilizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104973929A (en) | Biomass charcoal-enveloped controlled-release fertilizer and preparation method thereof | |
| CN104973931A (en) | Highly-efficient biomass charcoal coated fertilizer and preparation method thereof | |
| CN104973932A (en) | Biomass charcoal coated stress-resistant fertilizer and preparation method thereof | |
| CN104973928A (en) | Biomass charcoal enveloped organic fertilizer and preparation method thereof | |
| CN102424611B (en) | Carbon-based biogas fertilizer and production method thereof | |
| CN102503642B (en) | Preparation method of organic and inorganic compound fertilizer special for tobaccos | |
| CN103922826B (en) | Rice seedling raising ground substance method of cultivation | |
| CN103641638A (en) | Sustained-release composite microbial fertilizer and preparation method thereof | |
| CN104973926A (en) | Biomass-charcoal-enveloped microbial fertilizer and preparation method thereof | |
| CN104909909A (en) | Organic ecological substrate for rice industrialized seedling production and preparation method of organic ecological substrate | |
| CN107759323A (en) | A kind of Queensland nut composite fertilizer and preparation method thereof | |
| CN102887747A (en) | Method for preparing organic fertilizer by mixing cow dung with chicken dung | |
| CN102643130A (en) | Organic-inorganic compound fertilizer | |
| CN108863658A (en) | A kind of charcoal base organic fertilizer and preparation method | |
| CN109400270A (en) | A method of utilizing livestock excrement composting fermenting and producing organic commercial fertilizer | |
| CN102531719A (en) | Method for preparing organic fertilizer with eucalyptus bark and leaves as raw materials | |
| CN104119123B (en) | A kind of preparation method of sugarcane special-purpose fertilizer | |
| CN102180716B (en) | Method for producing organic compound fertilizer by fermenting animal manure | |
| CN107805163A (en) | A kind of Queensland nut special complex fertilizer and preparation method thereof | |
| CN104973927A (en) | Biomass-charcoal-enveloped colloid-rich fertilizer and preparation method thereof | |
| CN105439689A (en) | Plant culture medium produced by using bamboo sawdust | |
| CN106905047A (en) | A kind of ecological organic fertilier and preparation method thereof | |
| CN104557227A (en) | Yield-increase organic fertilizer for improving soil | |
| CN109438135A (en) | Organic fertilizer and preparation method thereof | |
| CN101870625B (en) | Method for wrapping fertilizer in soil granules and compound fertilizer prepared therefrom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |
|
| RJ01 | Rejection of invention patent application after publication |