CN102199057A - Controlled-release fertilizer special for Xinjiang grapes as well as preparation and application thereof - Google Patents
Controlled-release fertilizer special for Xinjiang grapes as well as preparation and application thereof Download PDFInfo
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Abstract
The invention relates to a controlled-release fertilizer special for Xinjiang grapes as well as preparation and application thereof. The controlled-release fertilizer special for the Xinjiang grapes is prepared through mixing a water-retention heat-insulation composition, humic-acid-coated urea, urea coated with sulfur and polymer, potassium nitrate coated with epoxy resin modified by urea prime coating, urea, diammonium phosphate, zinc sulfate and boric acid at a ratio, wherein the water-retention heat-insulation composition is prepared through the following the following steps: mixing weathered coal, decomposed chicken manure, bean cake powder, corncob powder and water-absorbent resin, and granulating the mixture. The controlled-release fertilizer special for the Xinjiang grapes is mainly used for planting grapes in Xinjiang and adjoining areas in China, and is once applied after grape harvesting in autumn.
Description
Technical field
The present invention relates to a kind of release and release control fertilizer, particularly a kind of control released fertilizer special and preparation and application that is applicable to that Xinjiang of China area grape is used belongs to the release and release control fertilizer production technical field.
Background technology
Xinjiang is the viny region of China's maximum, and cultivated area was more than 200 ten thousand mu in 2010, accounted for national cultivated area more than 1/3.Grape is dark root system crop, main Root Distribution is in 20～60 cm layer of soil, fertilising needs ditching to carry out, add that the fertilizer of using at present mainly is quick acting fertilizer, in soil, dissolve soon that fertilizer efficiency is short, in year growth cycle of grape, need repeatedly fertilising just can satisfy the demand, repeatedly fertilising not only injures root system, has also increased peasant's labour intensity greatly.Disposable employed controlled release fertilizer, particularly nutrient discharge with the warm mutually special-purpose control-release fertilizer that closes of grape absorption and then can be good at addressing the above problem.
CN100448808C (200710115274.5) discloses a kind of special control-release fertilizer for resin coated grape and preparation method thereof.Component is composite makes with 4% thermoplastic resin membrane wrapping saltpetre, 5% thermoplastic resin membrane wrapping saltpetre, 4% thermoplastic resin membrane wrapping ammonium phosphate, 4% thermoplastic resin membrane wrapping urea, compound potassium sulfate fertilizer etc. for this patent document.The grape special-purpose control-release fertilizer of this invention is once to apply before the grape rudiment in spring, needn't impose, and effect of increasing production is better, improves utilization rate of fertilizer, saving of labor, laborsaving.But it also has weak point to the application of Xinjiang grape.The one, the nutrient proportioning is poor to the specific aim of Xinjiang region viny region soil; The 2nd, because Xinjiang region temperature is lower, the rate of release of nutrient in soil also has certain difference.
Compare with grape main producing regions such as China Henan, Shandong, the Xinjiang region soil moisture is lower, and moisture content is also less relatively, and these two factors obviously influence the release rate of controlled release fertilizer in soil.A large amount of fields grape experiment in recent years shows, in China, the respond well grape special-purpose control-release fertilizer in southern areas, relatively poor in regional effects such as Xinjiang, Liaoning, the different areas soil nutrient content is variant on the one hand, and discharging under lower temperature with controlled release fertilizer simultaneously slowly also has relation.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of Xinjiang grape special-purpose control-release fertilizer.Soil nutrient content situation according to the Xinjiang grape producing region, and according to weather condition (mainly being temperature and rainfall amount) and the different nutrient release conditions of the fertile kind of controlled release in Xinjiang region soil, the soil nutrient status, fertilizer releasing period and the rate of release that provide the nutrient proportioning to be fit to the Xinjiang grape producing region meet the special-purpose control-release fertilizer that Xinjiang grape is inhaled fertile rule, and carried out field experiment, obtained good effect.
The present invention also provides above-mentioned special-purpose control-release fertilizer preparation method and methods for using them.
Technical scheme of the present invention is as follows:
The Xinjiang grape special-purpose control-release fertilizer, raw materials quality part is as follows:
280～380 parts of water conservation insulation compositions,
80～130 parts in humic acid membrane wrapping urea,
Sulphur adds 130～170 parts of high molecular polymer coated carbamides,
130～220 parts in urea undercoat modified epoxy resin integument saltpetre,
30～60 parts in urea,
150～200 parts of diammonium phosphate,
6～12 parts in zinc sulfate,
4～7 parts of boric acid.
Described water conservation insulation composition is by 20～40 parts of weathered coals, 10～30 parts of the chicken manures that become thoroughly decomposed, 10～20 parts of bean cake powders, and 20～40 parts of corn cob meals, 2～4 parts of mixing granulations of water-absorbing resin form.2～4 millimeters of preferable particle size.Be mass parts.
Described weathered coal is meant the expose portion in coal seam through effects such as long oxidation, hydrolysis, and wide variation have taken place for chemical constitution and character, and organic content reaches 40～80%, and wherein major part is the regeneration humic acids.
The described chicken manure that becomes thoroughly decomposed is to make by the prior art heap fermentation.
Described bean cake powder is that a kind of byproduct that obtains behind the soybean extraction soya-bean oil makes through physical pulverization, and particle diameter is less than 60 orders.
Described corn cob meal is that the pulverizing of corn cob direct physical makes, and particle diameter is less than 60 orders.
Described water-absorbing resin is the macromolecular material that a class has strong water-retaining capacity, specifically is selected from polyacrylic acid potassium, polyacrylamide or carboxymethyl cellulose etc.Preferred water-absorbing resin is a carboxymethyl cellulose.
Described humic acid membrane wrapping urea is spray one layer binder outside granular urea, sprays the weathered coal of the air-dry pulverizing of one deck again, solidifies the back and repeats said process, accounts for 1% of granular urea quality until reaching binding agent, and weathered coal accounts for 7% of granular urea quality.Preferably, described binding agent be Resins, epoxy and triethylene tetramine by 1: the mass ratio of 0.10-0.12 is mixed and made into.
Humic acid membrane wrapping urea is the commercially available prod, Shandong Kingenta Bio-engineering Stock Co., Ltd. is on sale, also can be by patent document CN100556866C (200810139610.4) disclosed " a kind of humic acid control-releasing fertilizer and preparation method thereof " preparation, the present invention quotes the full text of this patent document as prior art.The present invention with the preparation method of embodiment 1 as preferred version.
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 20% that inner cladding sulphur film accounts for nuclear core fertilizer quality per-cent, and the mass percent that polymer membrane accounts for nuclear core fertilizer is 3%, and is preferred, high polymer film-coated dose of mixing that is novolac epoxy and triethylene tetramine with 9: 1 mass ratioes.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.Wherein, the preferred granular urea of nuclear core fertilizer urea, 2～3 millimeters of particle diameters.The present invention with the preparation method of embodiment 1 as preferred version.
Sulphur adds the high molecular polymer coated carbamide can be bought in market, and Shandong Kingenta Bio-engineering Stock Co., Ltd. is on sale.
Described urea undercoat modified epoxy resin integument saltpetre is to serve as nuclear core fertilizer with particle saltpetre, and spraying inner cladding urea sprays the agent of surrounding layer modified epoxy resin integument again and makes earlier; Inner cladding urea accounts for the 4-6% of nuclear core fertilizer quality, and the agent of surrounding layer modified epoxy resin integument accounts for 5% of nuclear core fertilizer quality; Wherein, the agent of surrounding layer modified epoxy resin integument is that Resins, epoxy (EP) and urethane (PUR) are mixed and made into modified epoxy with 90: 10 mass ratioes, add the thinner benzyl glycidyl ether of the solidifying agent T-593, the 15-25% that account for modified epoxy quality 10-20% and the wilkinite of 2-4% again, mix.The preparation method is referring to CN 1246264C (200410024049.7) " is the modified epoxy resin integument release and release control fertilizer of undercoat with spraying urea ".The present invention quotes the full text of this patent document as prior art.The present invention with the preparation method of embodiment 1 as preferred version.
Described urea, diammonium phosphate, zinc sulfate, boric acid, the commercially available prod.
According to the present invention, optimized technical scheme is as follows:
The Xinjiang grape special-purpose control-release fertilizer, raw materials quality part is as follows:
280～320 parts of water conservation insulation compositions,
105～115 parts in humic acid membrane wrapping urea,
Sulphur adds 140～150 parts of high molecular polymer coated carbamides,
190～210 parts in urea undercoat modified epoxy resin integument saltpetre,
45～55 parts in urea,
170～190 parts of diammonium phosphate,
9～11 parts in zinc sulfate,
4.5～5.5 parts of boric acid.
The preparation method of Xinjiang grape special-purpose control-release fertilizer of the present invention, step is as follows:
(1) water conservation insulation preparation of compositions:
By proportioning get weathered coal, the chicken manure that becomes thoroughly decomposed, bean cake powder, corn cob meal and water-absorbing resin, mix, by the prior art granulation, 2～4 millimeters of particle diameters.
(2) above-mentioned water conservation insulation composition, humic acid membrane wrapping urea, sulphur are added high molecular polymer coated carbamide, urea undercoat modified epoxy resin integument saltpetre, urea, diammonium phosphate, zinc sulfate, boric acid and put into stirrer together by proportioning and stirred 5～10 minutes, fully mixing promptly.
The application of grape special-purpose control-release fertilizer of the present invention is mainly used in Xinjiang of China autonomous region and adjoining area wine-growing, and this grape special-purpose control-release fertilizer grape is in the fall gathered back disposable employed.Fertilizing method is to dig 30～50 centimetres of dark, 15～25 centimetres of wide ditches in the capable side of grape, puddles with part soil after applying the grape special-purpose control-release fertilizer, and back earthing waters.Use the grape special-purpose control-release fertilizer in 40～60 kilograms in nitrogen, phosphorus, potassium total nutrient for every mu.
Excellent results of the present invention is as follows:
1, the nutrient proportioning is fit to Xinjiang of China viny region soil nutrient status
Compare with China other wine-growing area, because differences such as soil type, fertilising custom make soil nutrient have than big-difference.Xinjiang grape control released fertilizer special of the present invention accurately disposes according to Xinjiang region soil nutrient characteristics just and forms, and can provide more rational nutrient supply for the Xinjiang grape growth.
2, fertilizer nutrient discharges and is fit to Xinjiang grape absorption requirement more
Different with common readily avaiable fertilizer, the fertilizer releasing period of controlled release fertilizer is relevant with residing envrionment temperature with rate of release, and temperature raises, and nutrient releasing speed is accelerated.Compare with China other area, Xinjiang grape producing region temperature is lower, high-temperature time is few, day and night temperature is big, these factors all have certain influence to the release of controlled release fertilizer, Xinjiang grape special-purpose control-release fertilizer of the present invention is the temperature feature according to Xinjiang region, selects for use suitable controlled release fertilizer accurately to dispose as raw material and forms, and makes the nutrient of fertilizer discharge the absorption requirement that more meets Xinjiang grape.
3, alleviate the influence that low temperature or soil moisture deficiency discharge fertilizer nutrient
Xinjiang grape special-purpose control-release fertilizer of the present invention contains water conservation insulation composition, slowly decomposes in soil and discharges heat, can alleviate the influence that Xinjiang region cooling suddenly discharges grape growth and fertilizer nutrient.
Description of drawings
Fig. 1 is 0～20 centimetre of soil nutrient figure of Xinjiang autonomous region wine-growing soil, and X-coordinate is the nutrient kind, and ordinate zou is a nutrient content (unit: mg/kg).
Fig. 2 is that special-purpose control-release fertilizer embodiment 2 nitrogens of the present invention discharge and Xinjiang region grape Nitrogen Absorption graphic representation, thick line is the fertile nitrogen nutrient releasing rule of a controlled release line, fine rule is the nitrogen nutrient absorbing rule curve of grape, X-coordinate is the time after fertilizer of the present invention is used, and ordinate zou is respectively the mass ratio and the grape nitrogen different time accumulation absorbed dose of fertilizer nitrogen different time cumulative release amount and amount of application and the mass ratio (unit: %) that absorbs total amount grape year.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited thereto.Raw material among the embodiment is as follows:
Weathered coal, surface mines coal works, Ningwu County, Shanxi Province produces, organic content 60.2wt%.Bean cake powder is Gaomi City, Shandong Province grease in the new year limited liability company product.Water-absorbing resin, carboxymethyl cellulose, commercially available prod.Clearly do not limit among the embodiment all by prior art, the method that provides as CN100556866C (200810139610.4), CN1246265C (200410024050.X), CN1246264C (200410024049.7).
Embodiment 1:
The Xinjiang grape special-purpose control-release fertilizer, the raw material composition is as follows:
Water conservation insulation composition 300kg,
Humic acid membrane wrapping urea 110kg,
Sulphur adds high molecular polymer coated carbamide 145kg,
Urea undercoat modified epoxy resin integument saltpetre 200kg,
Urea 50kg,
Diammonium phosphate 180kg,
Zinc sulfate 10kg,
Boric acid 5kg.
The preparation method:
(1) water conservation insulation preparation of compositions: get weathered coal 32kg, the chicken manure 20kg that becomes thoroughly decomposed, bean cake powder 15kg, corn cob meal 30kg, water-absorbing resin 3kg, mix disk granulation, 2～4 millimeters of particle diameters.
(2) preparation of humic acid membrane wrapping urea: extracting epoxy resin 1kg, triethylene tetramine 0.1kg, mix, it is standby to be mixed with binding agent.
Get the granular urea 100kg of 2～3 millimeters of particle diameters, in rotary drum, be preheated to 65 ℃～70 ℃, spray above-mentioned binding agent 0.33kg to the fertiliser granulates that rotates, spray the weathered coal of the air-dry pulverizing of 2.33kg again, solidify the back and repeat said process 2 times, get humic acid membrane wrapping urea.
(3) sulphur adds the preparation of high molecular polymer coated carbamide:
Novolac epoxy 9kg is mixed with triethylene tetramine 1kg, be mixed with high polymer film-coated dose.
The granular urea 100kg that takes by weighing 2～3 millimeters of particle diameters is as nuclear core fertilizer, wrap one deck sulphur earlier by prior art, the sulphur mould material accounts for 20% of nuclear fertilizer quality, wrap above-mentioned high polymer film-coated dose of one deck again, high polymer film-coated dose accounts for 3% of nuclear core fertilizer quality, makes sulphur and add the high molecular polymer coated carbamide.
(4) preparation of urea undercoat modified epoxy resin integument saltpetre:
Epoxy resin E-44 is mixed with 90: 10 mass ratioes with polyurethane PU R, be prepared into modified epoxy.Get modified epoxy 5kg, solidifying agent T-593 0.5kg, thinner benzyl glycidyl ether 1.0kg, wilkinite 0.15kg, mix, be mixed with the modified epoxy resin integument agent.
The particle saltpetre 100kg that the cut-off footpath is 2～3 millimeters joins in the rotary drum sulfuration bed as nuclear core fertilizer, under 50 ℃ of temperature, earlier complete fused urea liquid is sprayed on the fertiliser granulates, and urea liquid accounts for 5% of nuclear core fertilizer saltpetre quality.By the modified epoxy resin integument agent of the above-mentioned preparation of prior art bag one deck, the modified epoxy resin integument agent accounts for 5% of saltpetre quality again.
(5) in proportion, the sulphur of getting humic acid membrane wrapping urea, step (3) preparation of water conservation insulation composition, step (2) preparation of step (1) preparation adds the urea undercoat modified epoxy resin integument saltpetre of high molecular polymer coated carbamide, step (4) preparation and urea, diammonium phosphate, zinc sulfate, boric acid, put into stirrer together and stirred 5 minutes, fully mixing promptly.
Embodiment 2: the Xinjiang grape special-purpose control-release fertilizer, and the raw material composition is as follows:
Water conservation insulation composition 340kg,
Humic acid membrane wrapping urea 90kg,
Sulphur adds high molecular polymer coated carbamide 150kg,
Urea undercoat modified epoxy resin integument saltpetre 165kg,
Urea 40kg,
Diammonium phosphate 200kg,
Zinc sulfate 8kg,
Boric acid 7kg.
The preparation method is with embodiment 1.
Embodiment 3: the Xinjiang grape special-purpose control-release fertilizer, and the raw material composition is as follows:
Water conservation insulation composition 380kg,
Humic acid membrane wrapping urea 80kg,
Sulphur adds high molecular polymer coated carbamide 130kg,
Urea undercoat modified epoxy resin integument saltpetre 220kg,
Urea 30kg,
Diammonium phosphate 150kg,
Zinc sulfate 6kg,
Boric acid 4kg.
The preparation method is with embodiment 1.
Embodiment 4: the Xinjiang grape special-purpose control-release fertilizer, and the raw material composition is as follows:
Water conservation insulation composition 280kg,
Humic acid membrane wrapping urea 130kg,
Sulphur adds high molecular polymer coated carbamide 170kg,
Urea undercoat modified epoxy resin integument saltpetre 152kg,
Urea 60kg,
Diammonium phosphate 190kg,
Zinc sulfate 12kg,
Boric acid 6kg.
The preparation method is with embodiment 1.
Comparative Examples: universal grape special-purpose control-release fertilizer, big ecological engineering company limited of Shandong Nintaus produces, model PT20-10-15
Test site: Xinjiang autonomous region Aksu Prefecture Xinhe County.
Test period: year September in September, 2009 to 2010.
For trying grape variety: the yellow sand king.
Embodiment 1-4 and Comparative Examples fertilizer nitrogen, phosphorus, potassium total nutrient consumption are identical, 50 kilograms every mu.Fertilizing method is that 40 centimetres of dark, 20 centimetres of wide ditches are dug in the grape back direct motion of gathering in autumn, disposablely applies in the ditch after fertilizer is mixed with part is native, waters behind the earthing.Effect sees Table 1.
Table 1. is compared the application effect of embodiment 1-4 with Comparative Examples
| Fertilizer of the present invention | Yield-increasing efficiency % | Improve utilization rate of fertilizer % |
| Embodiment 1 | 10.3 | 15.3 |
| Embodiment 2 | 12.6 | 18.4 |
| Embodiment 3 | 9.7 | 15.0 |
| Embodiment 4 | 8.3 | 14.6 |
Claims (5)
1. Xinjiang grape special-purpose control-release fertilizer is characterized in that raw materials quality part is as follows:
280～380 parts of water conservation insulation compositions,
80～130 parts in humic acid membrane wrapping urea,
Sulphur adds 130～170 parts of high molecular polymer coated carbamides,
130～220 parts in urea undercoat modified epoxy resin integument saltpetre,
30～60 parts in urea,
150～200 parts of diammonium phosphate,
6～12 parts in zinc sulfate,
4～7 parts of boric acid;
Described water conservation insulation composition is by 20～40 parts of weathered coals, 10～30 parts of the chicken manures that become thoroughly decomposed, 10～20 parts of bean cake powders, and 20～40 parts of corn cob meals, 2～4 parts of mixing granulations of water-absorbing resin form; Described water-absorbing resin is polyacrylic acid potassium, polyacrylamide or carboxymethyl cellulose; Preferred water-absorbing resin is a carboxymethyl cellulose;
Described humic acid membrane wrapping urea is spray one layer binder outside granular urea, sprays the weathered coal of the air-dry pulverizing of one deck again, solidifies the back and repeats said process, accounts for 1% of granular urea quality until reaching binding agent, and weathered coal accounts for 7% of granular urea quality; Described binding agent be Resins, epoxy and triethylene tetramine by 1: the mass ratio of 0.10-0.12 is mixed and made into;
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 20% that inner cladding sulphur film accounts for nuclear core fertilizer quality per-cent, and the mass percent that polymer membrane accounts for nuclear core fertilizer is 3%; High polymer film-coated dose of mixing that is novolac epoxy and triethylene tetramine with 9: 1 mass ratioes;
Described urea undercoat modified epoxy resin integument saltpetre is to serve as nuclear core fertilizer with particle saltpetre, and spraying inner cladding urea sprays the agent of surrounding layer modified epoxy resin integument again and makes earlier; Inner cladding urea accounts for the 4-6% of nuclear core fertilizer quality, and the agent of surrounding layer modified epoxy resin integument accounts for 5% of nuclear core fertilizer quality; Wherein, the agent of surrounding layer modified epoxy resin integument is that Resins, epoxy (EP) and urethane (PUR) are mixed and made into modified epoxy with 90: 10 mass ratioes, add the solidifying agent T-593 account for modified epoxy quality 10～20%, 15～25% thinner benzyl glycidyl ether and 2～4% wilkinite again, mix.
2. Xinjiang grape special-purpose control-release fertilizer as claimed in claim 1 is characterized in that raw materials quality part is as follows:
280～320 parts of water conservation insulation compositions,
105～115 parts in humic acid membrane wrapping urea,
Sulphur adds 140～150 parts of high molecular polymer coated carbamides,
190～210 parts in urea undercoat modified epoxy resin integument saltpetre,
45～55 parts in urea,
170～190 parts of diammonium phosphate,
9～11 parts in zinc sulfate,
4.5～5.5 parts of boric acid.
3. the preparation method of claim 1 or 2 described Xinjiang grape special-purpose control-release fertilizers, step is as follows:
(1) water conservation insulation preparation of compositions
By proportioning get weathered coal, the chicken manure that becomes thoroughly decomposed, bean cake powder, corn cob meal and water-absorbing resin, mix, by the prior art granulation, 2～4 millimeters of particle diameters;
(2) described water conservation insulation composition, humic acid membrane wrapping urea, sulphur are added high molecular polymer coated carbamide, urea undercoat modified epoxy resin integument saltpetre, urea, diammonium phosphate, zinc sulfate, boric acid and put into stirrer together by proportioning and stirred 5～10 minutes, fully mixing promptly.
4. the application of claim 1 or 2 described grape special-purpose control-release fertilizers is mainly used in Xinjiang of China autonomous region and adjoining area wine-growing, and this grape special-purpose control-release fertilizer grape is in the fall gathered back disposable employed.
5. the application of grape special-purpose control-release fertilizer as claimed in claim 4 is characterized in that fertilizing method is to dig 30～50 centimetres of dark, 15～25 centimetres of wide ditches in the capable side of grape, puddles with part soil after applying the grape special-purpose control-release fertilizer, and earthing waters then.
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| CN102838419A (en) * | 2012-09-26 | 2012-12-26 | 镇江万山红遍农业园 | Special organic-inorganic mixed fertilizer for grapes, and preparation method thereof |
| CN103755475A (en) * | 2014-01-14 | 2014-04-30 | 凤台县珠莹葡萄种植专业合作社 | Humic acid-containing environment-friendly fermented compound fertilizer for red grapes |
| CN103772023A (en) * | 2014-01-14 | 2014-05-07 | 凤台县珠莹葡萄种植专业合作社 | Special EM (Effective Microorganisms) microbial agent fermented compound fertilizer for grape |
| 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 |
| CN103772022A (en) * | 2014-01-14 | 2014-05-07 | 凤台县珠莹葡萄种植专业合作社 | EM bacteria fermented composite fertilizer for high-yield seedless grape |
| CN104058866A (en) * | 2014-07-08 | 2014-09-24 | 江苏天宁农木科技园有限公司 | Fertilizer special for grape as well as preparation method and application thereof |
| CN104177201A (en) * | 2014-07-19 | 2014-12-03 | 叶集试验区富民高新葡萄种植专业合作社 | Special slow-release synergistic high-yield compound fertilizer for grapes |
| CN104744115A (en) * | 2014-05-31 | 2015-07-01 | 龚翻应 | Special organic and inorganic compound fertilizers for grapes |
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| CN102838419A (en) * | 2012-09-26 | 2012-12-26 | 镇江万山红遍农业园 | Special organic-inorganic mixed fertilizer for grapes, and preparation method thereof |
| CN102838419B (en) * | 2012-09-26 | 2014-05-07 | 镇江万山红遍农业园 | Special organic-inorganic mixed fertilizer for grapes, and preparation method thereof |
| CN103755475A (en) * | 2014-01-14 | 2014-04-30 | 凤台县珠莹葡萄种植专业合作社 | Humic acid-containing environment-friendly fermented compound fertilizer for red grapes |
| CN103772023A (en) * | 2014-01-14 | 2014-05-07 | 凤台县珠莹葡萄种植专业合作社 | Special EM (Effective Microorganisms) microbial agent fermented compound fertilizer for grape |
| 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 |
| CN103772022A (en) * | 2014-01-14 | 2014-05-07 | 凤台县珠莹葡萄种植专业合作社 | EM bacteria fermented composite fertilizer for high-yield seedless grape |
| CN104744115A (en) * | 2014-05-31 | 2015-07-01 | 龚翻应 | Special organic and inorganic compound fertilizers for grapes |
| CN104058866A (en) * | 2014-07-08 | 2014-09-24 | 江苏天宁农木科技园有限公司 | Fertilizer special for grape as well as preparation method and application thereof |
| CN104058866B (en) * | 2014-07-08 | 2016-08-24 | 江苏天宁农木科技园有限公司 | A kind of grape special fertilizer material and its preparation method and application |
| CN104177201A (en) * | 2014-07-19 | 2014-12-03 | 叶集试验区富民高新葡萄种植专业合作社 | Special slow-release synergistic high-yield compound fertilizer for grapes |
| CN110981604A (en) * | 2019-12-20 | 2020-04-10 | 上海永通生态工程股份有限公司 | Special nutritional set fertilizer for protected grapes and preparation method thereof |
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| CN102199057B (en) | 2012-04-18 |
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