CN101928189B - Sustained-release fertilizer for nursery stocks in landscaping and preparation and application - Google Patents
Sustained-release fertilizer for nursery stocks in landscaping and preparation and application Download PDFInfo
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- CN101928189B CN101928189B CN2010102643892A CN201010264389A CN101928189B CN 101928189 B CN101928189 B CN 101928189B CN 2010102643892 A CN2010102643892 A CN 2010102643892A CN 201010264389 A CN201010264389 A CN 201010264389A CN 101928189 B CN101928189 B CN 101928189B
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Abstract
The invention relates to a sustained-release fertilizer for nursery stocks in landscaping and preparation and application. Raw materials are selected from different types of controlled release fertilizers: sulfur macromolecular polymer coated urea, 8 percent thermoplastic and thermosetting double-layer coated urea, 10 percent recycled thermoplastic resin coated urea, urea priming coat 5 percent modified epoxy resin coated diammonium phosphate, urea priming coat 5 percent modified epoxy resin coated potassium nitrate and diammonium phosphate. The sustained-release fertilizer for the afforesting nursery stocks is prepared through the formulation of various coated fertilizer raw materials according to nutrient release regularities of the raw materials in soil. The sustained-release fertilizer can be applied to a planting hole at one time in the transplanting process, and the sustained-release fertilizer has the advantages of no harm to a root system, 2 to 3-year useful life, high utilization rate and labor saving.
Description
Technical field
The present invention relates to a kind of controlled availability fertilizer, particularly a kind of sustained-release fertilizer for nursery stocks in landscaping material that does not injure root system, fertilizer efficiency time length and preparation method thereof and application belong to the fertilizer production technology field.
Background technology
Along with the development in city and day by day industrialization and modernization, particularly industrial and mining enterprises " three wastes " pollute, havoc the human settlement, the physical and mental health that is threatening the resident.Forest is introduced the city, allows forest bring into play its ecological functions, with improve the city day by day serious environmental to pollute be to improve urban residential environment, improve the importance of people's living condition.Yet the development of China's city trees and shrubs and the people's needs have gap, show that according to data information there is a big difference for China's Tree in Urban Garden Construction aggregate level and developed country, and urban green coverage rate is 1/4th of a Germany, is Muscovite 1/3rd.For this reason, the nineties in last century, China begins to accelerate urban afforestation speed, and formulated target, be defined as 2010, the city percentage of forest cover in the whole nation 70% reaches 30%, and city planning Builtup areas ratio of green space reaches more than 35%, afforestation coverage rate reaches more than 40%, and the public lawn area reaches 10m per capita
2Along with the urbanization construction of a new round, afforestation will start climax again at present.
Greening seedling mainly comprises perennial seeds such as cdear, Chinese ilex, Chinese littleleaf box, and these nursery stocks need provide sufficient nutrient to quicken root system development, to improve the speed of growth at the transplanting initial stage especially, reach afforestation effect as early as possible.According to the study, at the initial 2-4 that transplants, its seedling height that whether applies fertilizer can differ one times.But owing to lack suitable fertilizer variety, aspect the greening seedling fertilising, there are three subject matters, the one,, the fertilizer of using at present is based on readily avaiable fertilizer, because the readily avaiable fertilizer fertilizer efficiency time is short, need constantly use, frequent shoveling fertilising can injure root system; Secondly, repeatedly fertilising, labour intensity is big, cost is high; Moreover the fertilising of often cutting the earth also can influence landscape effect.
CN101265137A (CN200810015689.X) provide a kind of multifunctional fertilizer dedicated for nursery stock, and component is: the A component: plant ash, root-inducing powder, Malathion, B component: nitrogenous fertilizer, phosphate fertilizer and potash fertilizer; C component: acidity regulator.CN100999424A (CN200610161312.6) discloses a kind of fertilizer dedicated for nursery stock, the fertile proportioning raw materials of this special use is: ammonium sulfate 40～58%, monoammonium phosphate 8～15%, calcium superphosphate 12～28%, vitriolate of tartar 15～25%, sulphur 4～10%, ferrous sulfate 2～4%, Malathion 0.02～0.04%.Though these patent fertilizer have the effect that promotes seedling root growth, control root system disease and pest, as fertilizer sources provides nutrition also to have deficiency, and the raw material that mainly is this fertilizer is based on quick-acting fertilizer, and the fertilizer efficiency time is short.
A kind of special-purpose control-release fertilizer for ornamental plant cedar of CN101239861A (CN200810014485.4) and preparation method thereof.Composite and get with the components such as thermoplastic resin membrane wrapping urea, thermoplastic resin membrane wrapping composite fertilizer and Repone K composite fertilizer of sulfur coating urea, different coating quantities.This invention fertilizer material is based on thermoplastic resin membrane wrapping fertilizer, and this coated fertilizer is good to the controlled release properties of nutrient, but poor to variation of temperature susceptibility, and when nursery stock was accelerated rapidly along with the rising speed of growth of temperature, the speed that fertilizer discharges nutrient may lag behind; Secondly, though this fertilizer fertilizer efficiency period prolongs than readily avaiable fertilizer, also need use once every year.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of sustained-release fertilizer for nursery stocks in landscaping.
The present invention also provides preparation method's and methods for using them of sustained-release fertilizer for nursery stocks in landscaping.
Summary of the invention
The present invention selects the fertile raw material of 4 types controlled release for use, add the high molecular polymer coated carbamide, reclaim waste thermoplastic resin and the double-deck coated carbamide of thermosetting resin, thermoplastic resin membrane wrapping urea and the nutrient element releasing rule of urea undercoat modified epoxy resin integument fertilizer in soil according to sulphur, utilize multiple coat fertilizer raw material to carry out composite, the sustained-release fertilizer for nursery stocks in landscaping that makes, can be when transplanting the disposable planting hole that applies, root system there is not injury, fertilizer efficiency period can reach 2-3, the utilization rate of fertilizer height saves labor.
Detailed Description Of The Invention
Technical scheme of the present invention is as follows:
A kind of sustained-release fertilizer for nursery stocks in landscaping, the material component mass parts is as follows:
Sulphur adds 50～100 parts of high molecular polymer coated carbamides,
150～200 parts of the double-deck coated carbamides of 8% thermoplastic and thermosetting,
10% reclaims 280～320 parts in thermoplastic resin membrane wrapping urea,
150～200 parts of urea undercoat 5% modified epoxy resin integument diammonium phosphate,
150～190 parts in urea undercoat 5% modified epoxy resin integument saltpetre,
80～120 parts of diammonium phosphate.
It is to be nuclear core fertilizer with the granular urea that described sulphur adds the high molecular polymer coated carbamide, and spraying inner cladding sulphur film sprays the surrounding layer polymer membrane again and makes earlier.Wherein, it is 18%～22% that the sulphur mould material accounts for nuclear core fertilizer quality per-cent, and the mass percent that polymer membrane accounts for nuclear core fertilizer is 1.5%～2.5%.The preparation method is referring to CN1246265C (200410024050.X) " is the preparation method of the high polymer film-coated controlled release fertilizer of undercoat with sulphur ", and the present invention quotes the full text of this patent document as prior art.The preferred granular urea of urea, 2～3 millimeters of particle diameters.Preferably, high polymer film-coated dose of mixing that is novolac epoxy and triethylene tetramine with 9: 1 mass ratioes.
The double-deck coated carbamide of described 8% thermoplastic and thermosetting is to be nuclear core fertilizer with the granular urea, and first coating quality per-cent is 4% inner cladding thermoplastic resin film, and coating quality per-cent is that 4% surrounding layer thermosetting resin film makes again.The preparation method " reclaims the production method of thermoplastic resin and thermosetting resin multi-layer composite coated controlled-release fertilizer " referring to CN100567222C (200710114124.2), and the present invention quotes the full text of this patent document as prior art.Percentage ratio in the material name accounts for the per-cent of nuclear core fertilizer quality for the duplicature total amount of material.
Described 10% to reclaim thermoplastic resin membrane wrapping urea be that spraying accounts for a kind of control release urea that the recovery waste thermoplastic resin coating agent of examining core fertilizer quality 10% makes granular urea outside.The preparation method is referring to CN 1257136C (200410035783.3) " is the production method of the film-coated controlled release fertilizer of degradable membrane to reclaim thermoplastic resin ".Wherein, reclaim the technical scheme of thermoplastic resin membrane wrapping agent preferred embodiment 1 step (3).
Described urea undercoat 5% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre are to spray inner cladding urea earlier respectively outside nuclear core fertiliser granulates diammonium phosphate, particle saltpetre, spray a kind of controlled-release diammonium phosphate and controlled release saltpetre that the agent of surrounding layer modified epoxy resin integument makes again.Inner cladding urea accounts for the 4-6% of nuclear core fertilizer quality, and the surrounding layer modified epoxy accounts for 5% of nuclear core fertilizer quality.The preparation method referring to CN 1246264C (200410024049.7) " with the spraying urea is the modified epoxy resin integument release and release control fertilizer of undercoat ", wherein, the technical scheme of modified epoxy resin integument agent preferred embodiment 1 step (4).
More than the fertile raw material of various controlled releases Shandong Kingenta Bio-engineering Stock Co., Ltd. all have to produce and sell, carry out composite after can directly buying.
Above-described urea, diammonium phosphate, saltpetre are the commercially available prod, particle diameter 2-3 millimeter.
Above-mentioned sustained-release fertilizer for nursery stocks in landscaping, further preferred prescription, the material component mass parts is as follows:
Sulphur adds 88～92 parts of high molecular polymer coated carbamides,
165～175 parts of the double-deck coated carbamides of 8% thermoplastic and thermosetting,
10% reclaims 295～305 parts in thermoplastic resin membrane wrapping urea,
155～165 parts of urea undercoat 5% modified epoxy resin integument diammonium phosphate,
175～185 parts in urea undercoat 5% modified epoxy resin integument saltpetre,
98～102 parts of diammonium phosphate.
The preparation method of sustained-release fertilizer for nursery stocks in landscaping of the present invention gets sulphur by prescription and adds the double-deck coated carbamide of high molecular polymer coated carbamide, 8% thermoplastic and thermosetting, 10% recovery thermoplastic resin membrane wrapping urea, urea undercoat 5% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, diammonium phosphate.All raw materials are put into the stirrer stirring and evenly mixing, metering, packing.
Raw material in the sustained-release fertilizer for nursery stocks in landscaping prescription of the present invention all can be prepared by prior art, the present invention with the method for preparing raw material among the embodiment as preferred scheme.
The application of sustained-release fertilizer for nursery stocks in landscaping of the present invention, method is as follows:
I. fertilizing method: when Nursery Stock is transplanted fertilizer is imposed in the planting hole nursery stock of planting in the above.
Note the planting hole size when digging the cave than conventional big by about 1/3, can will evenly be placed on the middle and lower part in cave after fertilizer and an amount of mixing with soil.Applying fertilizer does not need to refertilize in one time 3 years.Later on per 3 years dressing fertilizers once, fertilizing method is, digs annular ditch along the tree crown outer, applies behind the fertilizer and the native mixing of part, earthing is poured water.
Ii. rate of fertilizer application: every seedling 100g～200g when just planting; Every adult seedling 1000g～2000g.Applying fertilizer does not need to refertilize in one time 3 years.Later on per 3 years dressing fertilizers once, each rate of fertilizer application is previous 1.2～1.8 times.
Excellent results of the present invention is as follows:
1. make the seedling growth stalwartness
Sustained-release fertilizer for nursery stocks in landscaping of the present invention is made up of the fertile raw material of controlled release of 4 class coated fertilizers, these coated fertilizers are non-water soluble substance, good toughness, be difficult for sending out breaking suddenly into putamina, can not change the nutrient release performance because of the variation of soil moisture, nutrient discharges stable, has avoided readily avaiable fertilizer nutrient supply state fluctuated, and then makes seedling growth stable, healthy and strong.
2. fertilizer efficiency is long
Fertilizer of the present invention by sulphur add high molecular polymer coated carbamide, thermoplastic and the double-deck coated carbamide of thermosetting, reclaim thermoplastic resin membrane wrapping urea, urea undercoat modified epoxy resin integument fertilizer cooperatively interacts and forms, the nutrient controlled release phase is long, on the south China the Changjiang river, used once in 2 years, used once in 3 years to the north of the Changjiang river.
3. accelerate seedling growth speed
The controlled release phase of the raw material recovery thermoplastic resin membrane wrapping urea of fertilizer of the present invention and thermoplastic and the double-deck coated carbamide of thermosetting is long, nutrient discharges stable, it is more obvious that the fertile and sulphur of urea undercoat modified epoxy resin integument adds the nutrient release rate temperature influence of high molecular polymer coat fertilizer, the temperature height, nutrient discharges to be accelerated, just in time meet the temperature variant trend of seedling growth, add the fertilising of frequently to dig pit, reduced infringement root system.Therefore, seedling growth speed is fast.
4. use conveniently, save labor
Directly in conjunction with digging the cave single fertilization, fertilizer efficiency can reach 2-3 to this sustained-release fertilizer for nursery stocks in landscaping, has reduced fertilizer application frequency, has reduced labour intensity, has saved cost, has improved economic benefit when nursery stock transplanting.
Description of drawings
Fig. 1 be embodiment 1 sustained-release fertilizer for nursery stocks in landscaping of the present invention in Shandong Province's Heze City " big ecological engineering company limited of Heze Nintaus " test farm soil the nitrogen releasing rule and the over-ground part dry-matter accumulation graphic representation of Chinese ilex, thick line is a sustained-release fertilizer for nursery stocks in landscaping nitrogen period release profiles of the present invention, fine rule is the over-ground part dry-matter accumulation curve of Chinese ilex, X-coordinate is (moon time behind the incorporation of fertilizerin the soil of the present invention, be manured into soil in March, 2007), ordinate zou is respectively the over-ground part dry-matter (g/10) of fertilizer nitrogen period burst size (nitrogen g/1000g fertilizer) and Chinese ilex.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited thereto.Per-cent among the embodiment is mass percent.Clearly do not limit among the embodiment all by prior art, the method that provides as CN1246265C (200410024050.X), CN100567222C (200710114124.2), CN 1257136C (200410035783.3) and CN 1246264C (200410024049.7).The 4 kinds of fertile raw material of controlled release Shandong Kingenta Bio-engineering Stock Co., Ltd. all have product to sell among the embodiment, carry out composite after can directly buying.
Embodiment 1:
Sustained-release fertilizer for nursery stocks in landscaping, the material component mass parts is as follows:
Sulphur adds high molecular polymer coated carbamide 90kg,
The double-deck coated carbamide 170kg of 8% thermoplastic and thermosetting,
10% reclaims thermoplastic resin membrane wrapping urea 300kg,
Urea undercoat 5% modified epoxy resin integument diammonium phosphate 160kg,
Urea undercoat 5% modified epoxy resin integument saltpetre 180kg,
Diammonium phosphate 100kg.
The preparation method:
(1) sulphur adds the preparation of high molecular polymer coated carbamide:
Novolac epoxy 2kg and triethylene tetramine 0.22kg are mixed, be mixed with high polymer film-coated dose.
Take by weighing the granular urea 100kg of 2～3 millimeters of particle diameters, wrap one deck sulphur earlier by prior art, the sulphur mould material accounts for 20% of nuclear fertilizer quality, wraps above-mentioned high polymer film-coated dose of one deck again, and the coating agent accounts for 2% of nuclear fertilizer quality.Make sulphur and add the high molecular polymer coated carbamide.
The preparation of the double-deck coated carbamide of (2) 8% thermoplastics and thermosetting:
It is miscible in 100kg n-butyl acetate and pentyl acetate mass ratio are 5: 1 mixed solvents that i reclaims polyvinyl resin, 0.24kg light calcium carbonate, 0.56kg yam starch, 0.16kg rubber powder with 8kg, is mixed with the agent of thermoplastic resin inner layer film coating.
5), triethylene tetramine 1.6kg mixes with tributyl phosphate 2.0kg, is mixed with the agent of thermosetting resin outer membrane coating ii is with the mixed solution 8kg of epoxy resin E-44 and polyurethane PU R (mass ratio E-44: PUR=95 wherein:.
Iii takes by weighing the granular urea 200kg of 2～3 millimeters of diameters, wraps the inner layer film coating agent that the above-mentioned i of one deck makes respectively earlier by prior art, and the per-cent that the inner layer film material accounts for nuclear core fertilizer quality is 4%.Wrap the outer membrane coating agent that the above-mentioned ii of one deck makes again, the per-cent that the outer membrane material accounts for nuclear core fertilizer quality is 4%.Get the double-deck coated carbamide of 8% thermoplastic and thermosetting, standby.
(3) 10% reclaim the preparation of thermoplastic resin membrane wrapping urea:
15kg is reclaimed vinyon and 15kg, and to reclaim polystyrene foam miscible in the mixed solvent of 250kg methylene dichloride and 1: 1 mass ratio of zellon, add diatomite, Semen Maydis powder, rubber powder with 1: 1: 1 quality than mixture 2.4kg, be prepared into and reclaim the thermoplastic resin membrane wrapping agent.
The granular urea 300kg that the cut-off footpath is 2～3 millimeters joins in the rotary drum sulfuration bed, wraps up the agent of above-mentioned recovery thermoplastic resin membrane wrapping by prior art.Make 10% and reclaim thermoplastic resin membrane wrapping urea.
(4) preparation of urea undercoat modified epoxy resin integument diammonium phosphate and urea undercoat modified epoxy resin integument saltpetre:
Epoxy resin E-44 is mixed with 9: 1 mass ratioes with polyurethane PU R, be prepared into modified epoxy.Get modified epoxy 20kg, solidifying agent T-5932kg, thinner benzyl glycidyl ether 4.0kg, wilkinite 0.6kg, mix, be mixed with the modified epoxy resin integument agent.
The particle diammonium phosphate that the cut-off footpath is 2～3 millimeters and each 200kg of saltpetre join respectively in the rotary drum sulfuration bed, under 50 ℃ of temperature, earlier complete fused urea liquid are sprayed on the fertiliser granulates, and the mass parts that urea liquid accounts for nuclear core fertilizer is 5%.Press the modified epoxy resin integument agent of the above-mentioned preparation of prior art bag one deck again.Make urea undercoat 5% modified epoxy resin integument diammonium phosphate and urea undercoat 5% modified epoxy resin integument saltpetre respectively.
(5) get sulphur by prescription and add the double-deck coated carbamide of high molecular polymer coated carbamide, 8% thermoplastic and thermosetting, 10% recovery thermoplastic resin membrane wrapping urea, urea undercoat 5% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, diammonium phosphate, all raw materials are put into the stirrer stirring and evenly mixing, with the fertilizer that mixes send into metering, wrapping machine measures, packs.
Embodiment 2: sustained-release fertilizer for nursery stocks in landscaping, and the material component mass parts is as follows:
Sulphur adds high molecular polymer coated carbamide 80kg,
The double-deck coated carbamide 160kg of 8% thermoplastic and thermosetting,
10% reclaims thermoplastic resin membrane wrapping urea 320kg,
Urea undercoat 5% modified epoxy resin integument diammonium phosphate 200kg,
Urea undercoat 5% modified epoxy resin integument saltpetre 160kg,
Diammonium phosphate 80kg.
Method for preparing raw material is with embodiment 1.
Embodiment 3: sustained-release fertilizer for nursery stocks in landscaping, and the material component mass parts is as follows:
Sulphur adds high molecular polymer coated carbamide 70kg,
The double-deck coated carbamide 180kg of 8% thermoplastic and thermosetting,
10% reclaims thermoplastic resin membrane wrapping urea 310kg,
Urea undercoat 5% modified epoxy resin integument diammonium phosphate 180kg,
Urea undercoat 5% modified epoxy resin integument saltpetre 170kg,
Diammonium phosphate 90kg.
Method for preparing raw material is with embodiment 1.
Embodiment 4: sustained-release fertilizer for nursery stocks in landscaping, and the material component mass parts is as follows:
Sulphur adds high molecular polymer coated carbamide 60kg,
The double-deck coated carbamide 190kg of 8% thermoplastic and thermosetting,
10% reclaims thermoplastic resin membrane wrapping urea 290kg,
Urea undercoat 5% modified epoxy resin integument diammonium phosphate 190kg,
Urea undercoat 5% modified epoxy resin integument saltpetre 150kg,
Diammonium phosphate 120kg.
Method for preparing raw material is with embodiment 1.
Comparative Examples:
Common composite fertilizer, wherein nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 15wt%, 15wt%, 15wt%,
Urea, nitrogen content 46wt%.
The effect of above embodiment 1～4 and Comparative Examples is as follows:
Test site: Shandong Province's Heze City, big ecological engineering company limited of Heze Nintaus test farm.
Test period: year March in March, 2007 to 2010, totally three years.
For trying Nursery Stock: Chinese ilex and cdear.
Embodiment is identical with the Comparative Examples fertilizer amount, every nursery stock consumption 120g.Embodiment fertilizer is disposablely when Chinese ilex and cdear are transplanted all to use, and all applies in the planting pit during nursery stock transplanting.Comparative Examples fertilizer is to use 1/4 consumption in March, 2007 when Chinese ilex and cdear are transplanted, and applies in the planting pit when nursery stock transplanting; Surplus fertilizer is divided into 2 parts, respectively uses once in March, 2008 and in March, 2009 respectively; Twice fertilising of the later stage of Comparative Examples is to use about 20 centimetres of fertilization depths digging annular ditch from nursery stock stem 20 centimeters.Effect sees Table 1.
Table 1. is compared the effect of embodiment 1-4 with Comparative Examples
Claims (5)
1. sustained-release fertilizer for nursery stocks in landscaping is characterized in that the material component mass parts is as follows:
Sulphur adds 50～100 parts of high molecular polymer coated carbamides,
150～200 parts of the double-deck coated carbamides of 8% thermoplastic and thermosetting,
10% reclaims 280～320 parts in thermoplastic resin membrane wrapping urea,
150～200 parts of urea undercoat 5% modified epoxy resin integument diammonium phosphate,
150～190 parts in urea undercoat 5% modified epoxy resin integument saltpetre,
80～120 parts of diammonium phosphate;
It is to be nuclear core fertilizer with the granular urea that described sulphur adds the high molecular polymer coated carbamide, and spraying inner cladding sulphur film sprays the surrounding layer polymer membrane again and makes earlier; Wherein, it is 18%～22% that the sulphur mould material accounts for nuclear core fertilizer quality per-cent, and the mass percent that polymer membrane accounts for nuclear core fertilizer is 1.5%～2.5%; Described polymer membrane material is the mixing with 9: 1 mass ratioes of novolac epoxy and triethylene tetramine;
The double-deck coated carbamide of described 8% thermoplastic and thermosetting is to be nuclear core fertilizer with the granular urea, and first coating quality per-cent is 4% inner cladding thermoplastic resin film, and coating quality per-cent is that 4% surrounding layer thermosetting resin film makes again;
Described 10% to reclaim thermoplastic resin membrane wrapping urea be that spraying accounts for a kind of control release urea that the recovery waste thermoplastic resin coating agent of examining core fertilizer quality 10% makes granular urea outside;
Described urea undercoat 5% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre are to spray inner cladding urea earlier respectively outside nuclear core fertiliser granulates diammonium phosphate, particle saltpetre, spray a kind of controlled-release diammonium phosphate and controlled release saltpetre that the agent of surrounding layer modified epoxy resin integument makes again; Inner cladding urea accounts for the 4-6% of nuclear core fertilizer quality, and the surrounding layer modified epoxy accounts for 5% of nuclear core fertilizer quality.
2. sustained-release fertilizer for nursery stocks in landscaping as claimed in claim 1 is characterized in that the material component mass parts is as follows:
Sulphur adds 88～92 parts of high molecular polymer coated carbamides,
165～175 parts of the double-deck coated carbamides of 8% thermoplastic and thermosetting,
10% reclaims 295～305 parts in thermoplastic resin membrane wrapping urea,
155～165 parts of urea undercoat 5% modified epoxy resin integument diammonium phosphate,
175～185 parts in urea undercoat 5% modified epoxy resin integument saltpetre,
98～102 parts of diammonium phosphate.
3. the preparation method of claim 1 or 2 described sustained-release fertilizer for nursery stocks in landscaping, get sulphur by prescription and add the double-deck coated carbamide of high molecular polymer coated carbamide, 8% thermoplastic and thermosetting, 10% recovery thermoplastic resin membrane wrapping urea, urea undercoat 5% modified epoxy resin integument diammonium phosphate, urea undercoat 5% modified epoxy resin integument saltpetre, diammonium phosphate, all raw materials are put into the stirrer stirring and evenly mixing, metering, packing.
4. the application of claim 1 or 2 described sustained-release fertilizer for nursery stocks in landscaping is characterized in that fertilizing method is: when Nursery Stock is transplanted fertilizer is imposed in the planting hole nursery stock of planting in the above.
5. the application of sustained-release fertilizer for nursery stocks in landscaping as claimed in claim 1 is characterized in that rate of fertilizer application is every seedling 100g～200g; Every adult seedling 1000g～2000g.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102249819B (en) * | 2011-05-16 | 2012-08-29 | 菏泽金正大生态工程有限公司 | Organic-inorganic controlled-release fertilizer special for medlar and preparation method thereof |
| CN102285846B (en) * | 2011-06-09 | 2012-09-26 | 山东金正大生态工程股份有限公司 | Special controlled-release fertilizer for platycodon root Chinese herbal medicine and preparation and use thereof |
| CN102391057B (en) * | 2011-08-03 | 2013-05-08 | 广州普邦园林股份有限公司 | Inorganic-organic slow-acting fertilizer suitable for landscaping nursery stocks and preparation method and application thereof |
| CN102417426B (en) * | 2011-08-15 | 2013-07-31 | 山东金山化肥有限公司 | Production method of spraying sulfoacid resin type sustained and controlled-release fertilizer |
| CN104072228A (en) * | 2014-05-30 | 2014-10-01 | 明光和中工业工程安装有限公司 | Organic-inorganic compound fertilizer for landscape greening plants and preparation method thereof |
| CN107473864A (en) * | 2017-09-28 | 2017-12-15 | 昭平县全盛农业科技发展有限责任公司 | A kind of Nursery Stock long-acting special fertilizer |
| CN107673823A (en) * | 2017-09-28 | 2018-02-09 | 昭平县全盛农业科技发展有限责任公司 | A kind of greening seedling depot fertilizer and preparation method thereof |
| CN107805127A (en) * | 2017-11-23 | 2018-03-16 | 昭平县全盛农业科技发展有限责任公司 | A kind of fertilizer dedicated for nursery stock |
| CN108901534A (en) * | 2018-06-27 | 2018-11-30 | 天长市天兴园林绿化工程有限公司 | A kind of implantation methods of Nursery Stock |
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| CN101200397A (en) * | 2007-12-19 | 2008-06-18 | 山东金正大生态工程股份有限公司 | Special controlled-release fertilizer for resin film coated cherry and preparation method thereof |
| CN101792356A (en) * | 2010-03-31 | 2010-08-04 | 山东金正大生态工程股份有限公司 | Synchronous nutrient wheat special controlled release fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200397A (en) * | 2007-12-19 | 2008-06-18 | 山东金正大生态工程股份有限公司 | Special controlled-release fertilizer for resin film coated cherry and preparation method thereof |
| CN101792356A (en) * | 2010-03-31 | 2010-08-04 | 山东金正大生态工程股份有限公司 | Synchronous nutrient wheat special controlled release fertilizer and preparation method thereof |
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