CN105859462A - Method for preparing multifunctional slow-release fertilizer by using tobacco wastes - Google Patents
Method for preparing multifunctional slow-release fertilizer by using tobacco wastes Download PDFInfo
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- CN105859462A CN105859462A CN201610197988.4A CN201610197988A CN105859462A CN 105859462 A CN105859462 A CN 105859462A CN 201610197988 A CN201610197988 A CN 201610197988A CN 105859462 A CN105859462 A CN 105859462A
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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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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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
- C05F11/00—Other organic fertilisers
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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
- C05G3/70—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting wettability, e.g. drying agents
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for preparing a multifunctional slow-release fertilizer by using tobacco wastes and belongs to the technical field of fertilizer preparation. According to the technical scheme of the invention, the potato starch and the peach gum are adopted as a water absorbing material, tobacco wastes and grape peel fermentation products are adopted as a fertilizer core. The water absorbing material and the fertilizer core are compounded and then are finally coated by chicken manure humus. Therefore, the multifunctional slow-release fertilizer can be prepared by using tobacco wastes. The method is unique and novel, simple in process and easy to implement. The slow-release fertilizer prepared by using tobacco wastes is multifunctional, obvious in fertilizer efficiency, excellent in sustained-release property, and good in heat-retaining effect and water-absorbing effect. The fertilizer improves the soil structure. In addition, the fertilizer is self-degradable and has great application value.
Description
Technical field
The invention discloses a kind of method utilizing tobacco waste to prepare multifunctional slow-release fertilizer, belong to tobacco waste preparing technical field.
Background technology
Cultivated area and the yield of China Nicotiana tabacum L. all occupy first place in the world, and China's yield of flue-cured tobacco then accounts for more than the 90% of whole tobacco production.During redrying after flue-cured tobacco purchase, produce a large amount of mildew and rot, bad hypo-tobacco leaf and waste tobacco stem.At present, the major way disposing these tobacco leaf rebaking factory tobacco wastes is directly to burn and sanitary landfills.But, directly burn and landfill disposal all bring severe contamination to environment.Therefore, the task that Redrying Factory tobacco waste has become the most urgent is the most rationally disposed.
Containing elements such as abundant organic matter and nitrogen, phosphorus, potassium, magnesium, silicon in tobacco waste, wherein, nitrogen, Determination of Potassium are higher than common crops straw, suitably as the raw material producing fertilizer.Nicotine in Nicotiana tabacum L. is insecticide raw materials for production, and nicotinic insecticide accounts for the 15%～20% of global pesticide total amount.China rural area the most i.e. uses tabacco water or tobacco powder to make " soil pesticide ", with tobacco waste for raw material production fertilizer, has certain insecticidal effect.Compost, compared with other processing methods such as landfill, burning, has the advantages such as construction investment is few, operating cost is low, non-secondary pollution, and after fermenting, product as Term Fertilization farmland, can be suitable for the national conditions of large agricultural country of China.
Owing to Nicotiana tabacum L. containing the nutrients such as substantial amounts of phosphorus, potassium, body eutrophication is easily caused when process, centralized burning brings air pollution, nutrient contained by tobacco waste can not fully be discharged by simple field of returning, and the pathogenic bacteria contained in tobacco waste is propagated when also borrowing go back to field without restraint, cause and follow-up cultivate difficulty.It addition, the multifunctional slow-release fertilizer performance that tradition is prepared by Nicotiana tabacum L. is single, poor water retention property, can not degrade voluntarily.
The seed of certain plants, natural gum and lixiviating solution etc. also have certain water absorption, may also be used for the high water absorbency polymer as water-absorbing-retaining slow release fertilizer, and it also has degradability, it it is the organic fertilizer of high-quality after degraded, it is available for Crop to utilize, growth of pathogenic bacteria and breeding in soil can also be suppressed, the crumb structure of soil can be effectively improved simultaneously.
Summary of the invention
The technical problem that present invention mainly solves: the fertilizer prepared for current tobacco waste, often performance is single, only there is common fertilizer characteristic, and there is poor water retention property and the present situation that can not degrade voluntarily, provide a kind of using potato starch and Resina persicae as absorbent material, tobacco waste and Pericarpium Vitis viniferae fermented product as fertile core, and after absorbent material is compounding, finally it is coated with through the chicken manure thing that becomes thoroughly decomposed, thus is obtained by multifunctional slow-release fertilizer prepared by tobacco waste.The method uniqueness is novel, and simple for process, the tobacco waste multifunctional slow-release fertilizer function prepared is more, not only fertilizer efficiency is obvious, sustained release performance is excellent, and water suction can be incubated, improve Soil structure, the most also can degrade voluntarily, there is huge application value.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
(1) weigh 20～30kg Rhizoma Solani tuber osis, be ground with stone grinder after stripping and slicing, from the distilled water drip washing of stone grinder charging aperture while grinding, collect milky leacheate filtered through gauze and obtain in filtrate loading ceramic cylinder, after staticly settling 2～3 days, remove the supernatant, obtain lower floor's Rhizoma Solani tuber osi starch slurry；
(2) in potato starch obtained above is starched, isopyknic distilled water is added, move in water-bath and be heated to 60～70 DEG C, add 5～10kg Resina persicaes, continue insulated and stirred until Resina persicae dissolve after, pour the mixed liquor obtained into concentration tank, be decompressed to 1000～1200Pa, be condensed into viscous liquid, it is self-control water conservation slurry, standby；
(3) a long 2m is dug out, wide 1m, the compost pond of deep 2m, chicken manure is poured Chi Zhongdui into the 2/3 of pool volume, add calcium phosphate and the activated sludge of 10% sewage treatment plant of chicken manure gross mass 5%, stand after stirring by stirring rod and make compost 30～40 days, wherein every 3～4 days stirrings once, obtain Chicken dung, standby；
(4) tobacco waste that collection 30～40kg tobacco plants are left over dries naturally, tobacco rod is removed in hand picking, place into after jet mill is pulverized and cross 50 mesh standard sieves, tobacco waste powder after sieving reinstalls air blasting tank, explosion 15～20min under conditions of 200～220 DEG C, 1.0～1.2MPa；
(5) after the tobacco waste after explosion and Pericarpium Vitis viniferae being mixed for 10:1 in mass ratio, again by height be 0.5～0.8m, base diameter 0.8～1.0, top diameter be 0.3～0.5m size build up trapezoidal heap body and ferment, turning is carried out when fermentation heap temperature is increased to 60～70 DEG C, afterwards every turning in 2～3 days once, continuing fermentation 50～60 days；
(6) pour Squeezinggranulator into after fermented product and standby water conservation slurry being mixed for 5:1 by volume after fermentation ends and carry out extruder grain, obtain the fertile slug particle that particle diameter is 2～3mm, put into baking oven at 105～110 DEG C, be dried 4～5h, fertile core must be dried；
(7) in above-mentioned standby Chicken dung, its volume 2～3 times deionized water are added, thick cladding slurry is formed after being uniformly mixed, again above-mentioned prepared dry fertile core is poured in cladding slurry, filter with the gauze that aperture is 1mm after stirring, the fertilizer filtered is positioned under airing field daylight and dries, i.e. obtain after packaging and a kind of utilize tobacco waste to prepare multifunctional slow-release fertilizer.
The application process of the present invention is: the tobacco waste multifunctional slow-release fertilizer present invention prepared uniformly applies in farmland, and wherein the amount of sowing is per hectare farmland 80～85kg, plowed soils after sowing.Not only can be incubated water suction voluntarily, and Soil structure can be improved, sustained-release synergistic, advantageously in the absorption of crops, there is bigger promotional value.
The invention has the beneficial effects as follows:
(1) the inventive method uniqueness is novel, utilizes tobacco waste to prepare multifunctional slow-release fertilizer for raw material, not only achieves twice laid, solves waste pollution, and reduce cost；
(2) present invention process is easy, pollution-free in operating process so that the multifunctional slow-release fertilizer effect prepared is more, is possible not only to drought-resistant water-preserving, sustained-release synergistic, and can be incubated water suction, improve Soil structure, can also degrade voluntarily after additionally using；
(3) the tobacco waste multifunctional slow-release fertilizer that the present invention prepares has huge application value, is suitable for large-scale production.
Detailed description of the invention
First weigh 20～30kg Rhizoma Solani tuber osis, be ground with stone grinder after stripping and slicing, from the distilled water drip washing of stone grinder charging aperture while grinding, collect milky leacheate filtered through gauze and obtain in filtrate loading ceramic cylinder, after staticly settling 2～3 days, remove the supernatant, obtain lower floor's Rhizoma Solani tuber osi starch slurry；State then up in the potato starch slurry obtained and add isopyknic distilled water, move in water-bath and be heated to 60～70 DEG C, add 5～10kg Resina persicaes, continue insulated and stirred until Resina persicae dissolve after, pour the mixed liquor obtained into concentration tank, be decompressed to 1000～1200Pa, be condensed into viscous liquid, it is self-control water conservation slurry, standby；Dig out a long 2m subsequently, wide 1m, the compost pond of deep 2m, chicken manure is poured Chi Zhongdui into the 2/3 of pool volume, add calcium phosphate and the activated sludge of 10% sewage treatment plant of chicken manure gross mass 5%, stand after stirring by stirring rod and make compost 30～40 days, wherein every 3～4 days stirrings once, obtain Chicken dung, standby；The tobacco waste that collection 30～40kg tobacco plants are left over afterwards dries naturally, tobacco rod is removed in hand picking, place into after jet mill is pulverized and cross 50 mesh standard sieves, tobacco waste powder after sieving reinstalls air blasting tank, explosion 15～20min under conditions of 200～220 DEG C, 1.0～1.2MPa；Next after the tobacco waste after explosion and Pericarpium Vitis viniferae being mixed for 10:1 in mass ratio, again by height be 0.5～0.8m, base diameter 0.8～1.0, top diameter be 0.3～0.5m size build up trapezoidal heap body and ferment, turning is carried out when fermentation heap temperature is increased to 60～70 DEG C, afterwards every turning in 2～3 days once, continuing fermentation 50～60 days；Pour Squeezinggranulator into after fermented product and standby water conservation slurry being mixed for 5:1 by volume after fermentation ends and carry out extruder grain, obtain the fertile slug particle that particle diameter is 2～3mm, put into baking oven at 105～110 DEG C, be dried 4～5h, fertile core must be dried；Finally in above-mentioned standby Chicken dung, add its volume 2～deionized water of 3 times, thick cladding slurry is formed after being uniformly mixed, again above-mentioned prepared dry fertile core is poured in cladding slurry, filter with the gauze that aperture is 1mm after stirring, the fertilizer filtered is positioned under airing field daylight and dries, i.e. obtain after packaging and a kind of utilize tobacco waste to prepare multifunctional slow-release fertilizer.
Example 1
First weigh 20kg Rhizoma Solani tuber osi, be ground with stone grinder after stripping and slicing, from the distilled water drip washing of stone grinder charging aperture while grinding, collect milky leacheate filtered through gauze and obtain in filtrate loading ceramic cylinder, after staticly settling 2 days, remove the supernatant, obtain lower floor's Rhizoma Solani tuber osi starch slurry；State then up in the potato starch slurry obtained and add isopyknic distilled water, move in water-bath and be heated to 60 DEG C, add 5kg Resina persicae, continue insulated and stirred until Resina persicae dissolve after, pour the mixed liquor obtained into concentration tank, be decompressed to 1000Pa, be condensed into viscous liquid, it is self-control water conservation slurry, standby；Dig out a long 2m subsequently, wide 1m, the compost pond of deep 2m, chicken manure is poured Chi Zhongdui into the 2/3 of pool volume, add calcium phosphate and the activated sludge of 10% sewage treatment plant of chicken manure gross mass 5%, stand after stirring by stirring rod and make compost 30 days, wherein every 3 days stirrings once, obtain Chicken dung, standby；The tobacco waste that collection 30kg tobacco plant is left over afterwards dries naturally, tobacco rod is removed in hand picking, placing into after jet mill is pulverized and cross 50 mesh standard sieves, the tobacco waste powder after sieving reinstalls air blasting tank, in 200 DEG C, explosion 15min under conditions of 1.0MPa；Next after the tobacco waste after explosion and Pericarpium Vitis viniferae being mixed for 10:1 in mass ratio, pressing height again is 0.5m, base diameter 0.8, top diameter is that the size of 0.3m is built up trapezoidal heap body and fermented, turning is carried out when fermentation heap temperature is increased to 60 DEG C, afterwards every turning in 2 days once, continuing fermentation 50 days；Pour Squeezinggranulator into after fermented product and standby water conservation slurry being mixed for 5:1 by volume after fermentation ends and carry out extruder grain, obtain the fertile slug particle that particle diameter is 2mm, put into baking oven at 105 DEG C, be dried 4h, fertile core must be dried；The last deionized water adding its volume 2 times in above-mentioned standby Chicken dung, thick cladding slurry is formed after being uniformly mixed, again above-mentioned prepared dry fertile core is poured in cladding slurry, filter with the gauze that aperture is 1mm after stirring, the fertilizer filtered is positioned under airing field daylight and dries, i.e. obtain after packaging and a kind of utilize tobacco waste to prepare multifunctional slow-release fertilizer.
This example operation is simple, and during use, the tobacco waste multifunctional slow-release fertilizer present invention prepared uniformly applies in farmland, and 80kg during wherein the amount of being sprinkled into is per hectare farmland applies 1 day continuously.Not only can be incubated water suction, drought-resistant water-preserving voluntarily, and Soil structure can be improved, sustained-release synergistic, advantageously in the absorption of crops, there is bigger promotional value.
Example 2
First weigh 25kg Rhizoma Solani tuber osi, be ground with stone grinder after stripping and slicing, from the distilled water drip washing of stone grinder charging aperture while grinding, collect milky leacheate filtered through gauze and obtain in filtrate loading ceramic cylinder, after staticly settling 2.5 days, remove the supernatant, obtain lower floor's Rhizoma Solani tuber osi starch slurry；State then up in the potato starch slurry obtained and add isopyknic distilled water, move in water-bath and be heated to 65 DEG C, add 8kg Resina persicae, continue insulated and stirred until Resina persicae dissolve after, pour the mixed liquor obtained into concentration tank, be decompressed to 1100Pa, be condensed into viscous liquid, it is self-control water conservation slurry, standby；Dig out a long 2m subsequently, wide 1m, the compost pond of deep 2m, chicken manure is poured Chi Zhongdui into the 2/3 of pool volume, add calcium phosphate and the activated sludge of 10% sewage treatment plant of chicken manure gross mass 5%, stand after stirring by stirring rod and make compost 35 days, wherein every 3.5 days stirrings once, obtain Chicken dung, standby；The tobacco waste that collection 35kg tobacco plant is left over afterwards dries naturally, tobacco rod is removed in hand picking, placing into after jet mill is pulverized and cross 50 mesh standard sieves, the tobacco waste powder after sieving reinstalls air blasting tank, in 210 DEG C, explosion 18min under conditions of 1.1MPa；Next after the tobacco waste after explosion and Pericarpium Vitis viniferae being mixed for 10:1 in mass ratio, pressing height again is 0.65m, base diameter 0.9, top diameter is that the size of 0.4m is built up trapezoidal heap body and fermented, turning is carried out when fermentation heap temperature is increased to 65 DEG C, afterwards every turning in 2.5 days once, continuing fermentation 55 days；Pour Squeezinggranulator into after fermented product and standby water conservation slurry being mixed for 5:1 by volume after fermentation ends and carry out extruder grain, obtain the fertile slug particle that particle diameter is 2.5mm, put into baking oven at 108 DEG C, be dried 4.5h, fertile core must be dried；The last deionized water adding its volume 2.5 times in above-mentioned standby Chicken dung, thick cladding slurry is formed after being uniformly mixed, again above-mentioned prepared dry fertile core is poured in cladding slurry, filter with the gauze that aperture is 1mm after stirring, the fertilizer filtered is positioned under airing field daylight and dries, i.e. obtain after packaging and a kind of utilize tobacco waste to prepare multifunctional slow-release fertilizer.
This example operation is simple, and during use, the tobacco waste multifunctional slow-release fertilizer present invention prepared uniformly applies in farmland, and 83kg during wherein the amount of being sprinkled into is per hectare farmland applies 2 days continuously.Not only can be incubated water suction, drought-resistant water-preserving voluntarily, and Soil structure can be improved, sustained-release synergistic, advantageously in the absorption of crops, there is bigger promotional value.
Example 3
First weigh 30kg Rhizoma Solani tuber osi, be ground with stone grinder after stripping and slicing, from the distilled water drip washing of stone grinder charging aperture while grinding, collect milky leacheate filtered through gauze and obtain in filtrate loading ceramic cylinder, after staticly settling 3 days, remove the supernatant, obtain lower floor's Rhizoma Solani tuber osi starch slurry；State then up in the potato starch slurry obtained and add isopyknic distilled water, move in water-bath and be heated to 70 DEG C, add 10kg Resina persicae, continue insulated and stirred until Resina persicae dissolve after, pour the mixed liquor obtained into concentration tank, be decompressed to 1200Pa, be condensed into viscous liquid, it is self-control water conservation slurry, standby；Dig out a long 2m subsequently, wide 1m, the compost pond of deep 2m, chicken manure is poured Chi Zhongdui into the 2/3 of pool volume, add calcium phosphate and the activated sludge of 10% sewage treatment plant of chicken manure gross mass 5%, stand after stirring by stirring rod and make compost 40 days, wherein every 4 days stirrings once, obtain Chicken dung, standby；The tobacco waste that collection 40kg tobacco plant is left over afterwards dries naturally, tobacco rod is removed in hand picking, placing into after jet mill is pulverized and cross 50 mesh standard sieves, the tobacco waste powder after sieving reinstalls air blasting tank, in 220 DEG C, explosion 20min under conditions of 1.2MPa；Next after the tobacco waste after explosion and Pericarpium Vitis viniferae being mixed for 10:1 in mass ratio, pressing height again is 0.8m, base diameter 1.0, top diameter is that the size of 0.5m is built up trapezoidal heap body and fermented, turning is carried out when fermentation heap temperature is increased to 70 DEG C, afterwards every turning in 3 days once, continuing fermentation 60 days；Pour Squeezinggranulator into after fermented product and standby water conservation slurry being mixed for 5:1 by volume after fermentation ends and carry out extruder grain, obtain the fertile slug particle that particle diameter is 3mm, put into baking oven dry 5h at 110 DEG C, fertile core must be dried；The last deionized water adding its volume 3 times in above-mentioned standby Chicken dung, thick cladding slurry is formed after being uniformly mixed, again above-mentioned prepared dry fertile core is poured in cladding slurry, filter with the gauze that aperture is 1mm after stirring, the fertilizer filtered is positioned under airing field daylight and dries, i.e. obtain after packaging and a kind of utilize tobacco waste to prepare multifunctional slow-release fertilizer.
This example operation is simple, and during use, the tobacco waste multifunctional slow-release fertilizer present invention prepared uniformly applies in farmland, and 85kg during wherein the amount of being sprinkled into is per hectare farmland applies 3 days continuously.Not only can be incubated water suction, drought-resistant water-preserving voluntarily, and Soil structure can be improved, sustained-release synergistic, advantageously in the absorption of crops, there is bigger promotional value.
Claims (1)
1. one kind utilizes the method that tobacco waste prepares multifunctional slow-release fertilizer, it is characterised in that concrete preparation process is:
(1) weigh 20～30kg Rhizoma Solani tuber osis, be ground with stone grinder after stripping and slicing, from the distilled water drip washing of stone grinder charging aperture while grinding, collect milky leacheate filtered through gauze and obtain in filtrate loading ceramic cylinder, after staticly settling 2～3 days, remove the supernatant, obtain lower floor's Rhizoma Solani tuber osi starch slurry；
(2) in potato starch obtained above is starched, isopyknic distilled water is added, move in water-bath and be heated to 60～70 DEG C, add 5～10kg Resina persicaes, continue insulated and stirred until Resina persicae dissolve after, pour the mixed liquor obtained into concentration tank, be decompressed to 1000～1200Pa, be condensed into viscous liquid, it is self-control water conservation slurry, standby；
(3) a long 2m is dug out, wide 1m, the compost pond of deep 2m, chicken manure is poured Chi Zhongdui into the 2/3 of pool volume, add calcium phosphate and the activated sludge of 10% sewage treatment plant of chicken manure gross mass 5%, stand after stirring by stirring rod and make compost 30～40 days, wherein every 3～4 days stirrings once, obtain Chicken dung, standby；
(4) tobacco waste that collection 30～40kg tobacco plants are left over dries naturally, tobacco rod is removed in hand picking, place into after jet mill is pulverized and cross 50 mesh standard sieves, tobacco waste powder after sieving reinstalls air blasting tank, explosion 15～20min under conditions of 200～220 DEG C, 1.0～1.2MPa；
(5) after the tobacco waste after explosion and Pericarpium Vitis viniferae being mixed for 10:1 in mass ratio, again by height be 0.5～0.8m, base diameter 0.8～1.0, top diameter be 0.3～0.5m size build up trapezoidal heap body and ferment, turning is carried out when fermentation heap temperature is increased to 60～70 DEG C, afterwards every turning in 2～3 days once, continuing fermentation 50～60 days；
(6) pour Squeezinggranulator into after fermented product and standby water conservation slurry being mixed for 5:1 by volume after fermentation ends and carry out extruder grain, obtain the fertile slug particle that particle diameter is 2～3mm, put into baking oven at 105～110 DEG C, be dried 4～5h, fertile core must be dried；
(7) in above-mentioned standby Chicken dung, its volume 2～3 times deionized water are added, thick cladding slurry is formed after being uniformly mixed, again above-mentioned prepared dry fertile core is poured in cladding slurry, filter with the gauze that aperture is 1mm after stirring, the fertilizer filtered is positioned under airing field daylight and dries, i.e. obtain after packaging and a kind of utilize tobacco waste to prepare multifunctional slow-release fertilizer.
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| CN201610197988.4A CN105859462A (en) | 2016-03-31 | 2016-03-31 | Method for preparing multifunctional slow-release fertilizer by using tobacco wastes |
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| CN201610197988.4A CN105859462A (en) | 2016-03-31 | 2016-03-31 | Method for preparing multifunctional slow-release fertilizer by using tobacco wastes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675566A (en) * | 2016-11-22 | 2017-05-17 | 唐林元 | Method for preparing multifunctional soil conditioning agent through Chinese yam pyrolysis |
| CN106748538A (en) * | 2017-01-24 | 2017-05-31 | 昆明中友丰钰科技有限公司 | A kind of fertile water-maintaining multifunctional new slow release fertilizer of three-dimensional control and preparation method thereof |
| CN115286457A (en) * | 2022-08-26 | 2022-11-04 | 湖北四季丰收肥业股份有限公司 | Formula and preparation method of efficient biological pesticide fertilizer |
-
2016
- 2016-03-31 CN CN201610197988.4A patent/CN105859462A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675566A (en) * | 2016-11-22 | 2017-05-17 | 唐林元 | Method for preparing multifunctional soil conditioning agent through Chinese yam pyrolysis |
| CN106748538A (en) * | 2017-01-24 | 2017-05-31 | 昆明中友丰钰科技有限公司 | A kind of fertile water-maintaining multifunctional new slow release fertilizer of three-dimensional control and preparation method thereof |
| CN115286457A (en) * | 2022-08-26 | 2022-11-04 | 湖北四季丰收肥业股份有限公司 | Formula and preparation method of efficient biological pesticide fertilizer |
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Application publication date: 20160817 |
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