CN100429184C - Special controlled-release fertilizer for sulfur, resin film coated ginger, garlic and manufacturing method therefor - Google Patents
Special controlled-release fertilizer for sulfur, resin film coated ginger, garlic and manufacturing method therefor Download PDFInfo
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- CN100429184C CN100429184C CNB2007101140057A CN200710114005A CN100429184C CN 100429184 C CN100429184 C CN 100429184C CN B2007101140057 A CNB2007101140057 A CN B2007101140057A CN 200710114005 A CN200710114005 A CN 200710114005A CN 100429184 C CN100429184 C CN 100429184C
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 100
- 240000002234 Allium sativum Species 0.000 title claims abstract description 43
- 235000004611 garlic Nutrition 0.000 title claims abstract description 43
- 235000006886 Zingiber officinale Nutrition 0.000 title claims abstract description 23
- 235000008397 ginger Nutrition 0.000 title claims abstract description 23
- 238000013270 controlled release Methods 0.000 title claims abstract description 22
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 11
- 239000011593 sulfur Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title description 7
- 229920005989 resin Polymers 0.000 title description 2
- 239000011347 resin Substances 0.000 title description 2
- 244000273928 Zingiber officinale Species 0.000 title 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004202 carbamide Substances 0.000 claims abstract description 31
- 241000234314 Zingiber Species 0.000 claims abstract description 22
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 21
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 13
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 13
- 239000005696 Diammonium phosphate Substances 0.000 claims abstract description 8
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims abstract description 8
- 235000019838 diammonium phosphate Nutrition 0.000 claims abstract description 8
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 7
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- -1 compound potassium sulfate Chemical class 0.000 claims description 11
- 208000006558 Dental Calculus Diseases 0.000 claims description 8
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 8
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000004069 differentiation Effects 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 abstract description 21
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 235000016709 nutrition Nutrition 0.000 abstract description 4
- 230000035764 nutrition Effects 0.000 abstract description 4
- 230000004720 fertilization Effects 0.000 abstract 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 2
- 238000013268 sustained release Methods 0.000 abstract 1
- 239000012730 sustained-release form Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 230000000050 nutritive effect Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 244000223760 Cinnamomum zeylanicum Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 208000000509 infertility Diseases 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 231100000535 infertility Toxicity 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 235000006180 nutrition needs Nutrition 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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- Fertilizers (AREA)
Abstract
The invention relates to a special controlled release fertilizer for ginger and garlic and a preparation method thereof and belongs to the technical field of sustained release fertilizer and controlled release fertilizer. According to the rule of the fertilizer requirement of the ginger and garlic, the invention is prepared by exactly remixing 5 percent and 6 percent thermoplastic resin coated urea, sulfur coated urea, potassium sulfate complex fertilizer, the potassium sulfate, diammonium phosphate and zinc sulfate according to certain proportion. The nutrient release rule of the controlled release fertilizer is in accordance with the nutrition absorption rule of the ginger and garlic, which can reduce the loss of the fertilizer, improves the fertilizer utilization rate and reduces the cost of the controlled release fertilizer, and no more fertilization is required after one time of the fertilization of the controlled release fertilizer, which reduces the labor intensity of the farmer and the labor cost.
Description
Technical field
The present invention relates to a kind of method of utilizing coating sulphur, coating thermoplastic resin to produce the crop special-purpose control-release fertilizer, relate in particular to a kind of ginger, garlic special-purpose control-release fertilizer and manufacture method thereof, belong to slow/controlled release fertilizer technology field.
Background technology
China is major country of production and the export State of world Da Jiang, garlic.China's planting garlic area is about 260,000 hectares at present, accounts for 1/2 of world's garlic area, and 2,000,000 tons of annual production are the important export agricultural-food; In recent years, China Da Jiang produced and exported and also was the trend of rising appreciably.
Da Jiang, garlic all be with results subterraneous stem be the crop of main products.They belong to the shallow root plant, and root system is undeveloped, and a little less than the fertilizer sucting ability, therefore, the general crop of the rate of fertilizer application of Da Jiang, garlic is many.Da Jiang, garlic are applied fertilizer based on the quick-acting chemical fertilizer at present, because quick-acting chemical fertilizer solvability is strong, run off with rainfall or irrigation easily after being manured into soil, and cause utilization rate of fertilizer low.According to the study, 1/2 of not enough other field crops of the utilization rate of nitrogen fertilizer of Da Jiang, garlic.Develop as early as possible that nutrient reasonable ratio, fertilizer efficiency are lasting, to absorb the new-type fertilizer kind that matches with Da Jiang, garlic nutrient be to promote Da Jiang, the garlic rational application of fertilizer in nutrient release, reduces fertilizer loss, one of important measures of raising utilization rate of fertilizer.The development of special-purpose control-release fertilizer is the good approach that addresses these problems.The fertile research of the controlled release of China in recent years obtains very fast progress, fertile coated fertilizer of the slow/controlled release with independent intellectual property right and technology have been developed in succession, produced the release and release control fertilizer of any controlled release time, and China has many years ago been improved with regard to sophisticated sulfur coating urea technique.But these slow/controlled release fertilizer directly apply to Da Jiang, garlic produces and also has two subject matters, the one, and on the high side, the peasant is difficult to accept; The 2nd, nutritive element proportioning and nutrient element releasing rule specific aim are poor.For this reason, we utilize different slow/controlled release fertilizer nutrient release characteristics, and the while is according to the law of nutritive absorption of Da Jiang, garlic, the various controlled release fertilizer and the part quick-acting fertilizer that difference are discharged the period carry out composite, form Da Jiang, garlic special-purpose control-release fertilizer, and carried out field experiment, obtained good effect.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of different slow/controlled release fertilizer nutrient release characteristics that utilize sulphur, thermoplastic resin membrane wrapping fertilizer, the law of nutritive absorption according to Da Jiang, garlic carries out the composite ginger that makes, garlic special-purpose control-release fertilizer and preparation method thereof simultaneously.
Ginger of the present invention, garlic special-purpose control-release fertilizer, feed composition is as follows, is weight part:
30～40 parts in 5% thermoplastic resin membrane wrapping urea,
15～30 parts in 6% thermoplastic resin membrane wrapping urea
250～400 parts in sulfur coating urea
300～400 parts of compound potassium sulfate fertilizers
150～300 parts of vitriolate of tartar
30～50 parts of diammonium phosphate
0～10 part in zinc sulfate.
Above-mentioned raw materials is the commercially available prod, wherein:
5% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 5% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP03 (43-0-0);
6% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 6% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP04 (43-0-0);
Sulfur coating urea Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KWS03 (35-0-0);
In the compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 11%～13%, 17%～19%, 14%～16%, and further preferred nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 12%, 18%, 15%, are mass percent.
The content 48-51% of potassium oxide in the vitriolate of tartar, mass percent;
Nitrogen, phosphorus pentoxide content are respectively 18%, 46% in the diammonium phosphate, mass percent.
The particle diameter of above-mentioned all raw materials is good in 2～4 millimeters scopes all.
Further preferred, ginger, garlic special-purpose control-release fertilizer, feed composition is as follows, is weight part:
35～40 parts in 5% thermoplastic resin membrane wrapping urea
15～20 parts in 6% thermoplastic resin membrane wrapping urea
350～370 parts in sulfur coating urea
340～360 parts of compound potassium sulfate fertilizers
180～190 parts of vitriolate of tartar
35～40 parts of diammonium phosphate
5～8 parts in zinc sulfate.
The preparation method of ginger of the present invention, garlic special-purpose control-release fertilizer puts into stirrer together with above-mentioned each raw material and stirred 5～10 minutes, and fully mixing promptly.Then the fertilizer that mixes is sent into metering, wrapping machine measures, packs.
The application of ginger of the present invention, garlic special-purpose control-release fertilizer is at Da Jiang three bursts of fork phases or garlic bud, bulbil differentiation phase applied once, no longer imposes.
Excellent results of the present invention is as follows:
1. nutrient proportioning and nutrient discharge the absorption meet Da Jiang, garlic and require studies show that the ratio of garlic absorbed nitrogen, phosphorus, potassium is approximately 1: 0.3: 0.9.1000 kilograms of fresh ginger products of every production need 6.34 kilograms of absorbed nitrogens, 0.57 kilogram in phosphorus, 9.27 kilograms in potassium approximately.According to the soil nutrient situation of these results of study and China, special-purpose control-release fertilizer has designed nitrogen, phosphorus, potassium ratio prescription.Da Jiang, garlic absorb nutrient seedling stage seldom in life, generally based on kind of a ginger, plant the nutrition that garlic provides, Da Jiang absorb nutrient be maximum periods three bursts of fork phases to expanding stage, garlic to the absorption peak period of nitrogen, phosphorus, potassium in bud, bulbil differentiation phase.The nutrient of special-purpose control-release fertilizer discharges to satisfy Da Jiang, garlic nutrition absorption peak period, to take into account simultaneously and prevents that the later stage from taking off fertilizer, and the nutritional needs in the time of infertility is provided.
2. reduction fertilizer cost, so-called controlled release fertilizer easy to utilize are meant that the nutrient of fertilizer discharges and can control, and rate of release matches with the crop absorption.The price of external controlled release fertilizer is several times to tens times of common fertilizer approximately.Although scientists is tried every possible means when the development controlled release is fertile and is reduced cost at home, by prior art, produce the controlled release fertilizer of the compound Da Jiang of nutrient element releasing rule, garlic nutrient absorbing rule, its price also is 1～2 times of common fertilizer.The Da Jiang, the garlic special-purpose control-release fertilizer that utilize present method to produce, its price is higher by about 30% than common fertilizer, adds production-increasing function and the labour cost that reduces the fertilizer application frequency saving preferably, therefore has broad application prospects.
3. minimizing fertilizer amount, the present Da Jiang that preserves the ecological environment, garlic are applied fertilizer based on chemical fertilizer, because these two kinds of crop fertilizer application amounts are big, use the quick-acting chemical fertilizer and very easily cause the shallow ground water nitrate content to exceed standard, and river, lake eutrophication cause environmental pollution.For common chemical fertilizer, then may cause the underproduction if reduce consumption.Use special-purpose control-release fertilizer and reduce because of its fertilizer loss, utilization ratio improves, and relatively can reduce by 1/3rd consumptions with common chemical fertilizer and be unlikely to the underproduction, and this just for reducing fertilizer amount, protects environment to bring hope better.
4. effect of increasing production is good, saves labor to compare with common fertilizer, and ginger, garlic special-purpose control-release fertilizer can significantly improve output.Under the identical situation of rate of fertilizer application, stimulation ratio is 15%～30%.Reduce under 1/3rd consumption situations than common fertilizer at controlled release fertilizer, output increases by 5%～10%.The fertile applied once of this controlled release has reduced fertilizer application frequency simultaneously, has saved the recruitment cost, has improved economic benefit.
Description of drawings
Fig. 1 is the nutrient absorption law graphic representation of embodiment 1 ginger, garlic special-purpose control-release fertilizer nutrient element releasing rule and ginger, thick line is the fertile nitrogen nutrient releasing rule of a controlled release line, fine rule is the nitrogen nutrition absorbing rule curve of ginger, and X-coordinate is the time after Da Jiang is emerged, and ordinate zou is a nitrogen nutrient quantity.
Embodiment
Below in conjunction with embodiment the present invention is described in further details, but is not limited thereto.The raw materials used commercially available prod that is among the embodiment, wherein 5% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 5% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP03 (43-0-0); 6% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 6% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP04 (43-0-0); Sulfur coating urea Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KWS03 (35-0-0); In the compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 12%, 18%, 15%, mass percent, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces.Content 50% mass percent of potassium oxide in the vitriolate of tartar raw material; The particle diameter of all raw materials is all in 2～4 millimeters scopes.
Embodiment 1:
Ginger, garlic special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 20%, 8%, 14%, are mass percent.Feed composition is as follows:
5% thermoplastic resin membrane wrapping urea 40kg
6% thermoplastic resin membrane wrapping urea 20kg
Sulfur coating urea 360kg
Compound potassium sulfate fertilizer 350kg
Vitriolate of tartar 185kg
Diammonium phosphate 40kg
Zinc sulfate 5kg.
The preparation method: above-mentioned each raw material is put into stirrer together stirred 8 minutes, fully mixing promptly.Then the fertilizer that mixes is sent into metering, wrapping machine measures, packs.
Embodiment 2:
Ginger, garlic special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 17%, 8%, 18%, mass percent.Feed composition is as follows:
5% thermoplastic resin membrane wrapping urea 30kg
6% thermoplastic resin membrane wrapping urea 30kg
Sulfur coating urea 275kg
Compound potassium sulfate fertilizer 350kg
Vitriolate of tartar 270kg
Diammonium phosphate 40kg
Zinc sulfate 5kg.
The preparation method is with embodiment 1.
Comparative Examples:
Common urea (nutrient content 46%)
Compound potassium sulfate fertilizer (total nutrient content 45%)
The effect of above embodiment 1～2 and Comparative Examples is as follows:
For examination Da Jiang kind is Laiwu Da Jiang, soil is the loamy texture cinnamon soil, special-purpose control-release fertilizer is once to apply in three bursts of fork phases of Da Jiang, in the Comparative Examples fertilizer use by the peasant apply fertilizer the custom gradation use, specific practice is, by the fertilizer amount of 600 kilograms of compound potassium sulfate fertilizers of per hectare and 300 kilograms of urea, both begin branch by peasant habit in three bursts of fork phases of Da Jiang and use for 3 times after mixing in the Comparative Examples.Each embodiment of special-purpose control-release fertilizer establishes two fertilizer amounts, and one is identical with the Comparative Examples fertilizer amount, and another is to reduce fertilizer amount 30% than Comparative Examples.All special-purpose control-release fertilizers are all at three strands of forks of Da Jiang phase applied once.Fertilizing method is to use at Jiang Long both sides trench digging.Effect such as following table are listed:
Claims (4)
1, ginger, garlic special-purpose control-release fertilizer is characterized in that feed composition is as follows, are weight part:
30～40 parts in 5% thermoplastic resin membrane wrapping urea
15～30 parts in 6% thermoplastic resin membrane wrapping urea
250～400 parts in sulfur coating urea
300～400 parts of compound potassium sulfate fertilizers
150～300 parts of vitriolate of tartar
30～50 parts of diammonium phosphate
0～10 part in zinc sulfate;
Described 5% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 5% of a total mass, and described 6% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 6% of a total mass;
In the described compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 11%～13%, 17%～19%, 14%～16%, are mass percent.
2, ginger as claimed in claim 1, garlic special-purpose control-release fertilizer is characterized in that feed composition is as follows, are weight part:
35～40 parts in 5% thermoplastic resin membrane wrapping urea
15～20 parts in 6% thermoplastic resin membrane wrapping urea
350～370 parts in sulfur coating urea
340～360 parts of compound potassium sulfate fertilizers
180～190 parts of vitriolate of tartar
35～40 parts of diammonium phosphate
5～8 parts in zinc sulfate.
3, the preparation method of the described ginger of a kind of claim 1, garlic special-purpose control-release fertilizer puts into stirrer together with each raw material and stirred 5～10 minutes, and fully mixing promptly.
4, the application of the described ginger of a kind of claim 1, garlic special-purpose control-release fertilizer is characterized in that this controlled release fertilizer at Da Jiang three bursts of fork phases or garlic bud, bulbil differentiation phase applied once, no longer imposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101140057A CN100429184C (en) | 2007-10-31 | 2007-10-31 | Special controlled-release fertilizer for sulfur, resin film coated ginger, garlic and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101140057A CN100429184C (en) | 2007-10-31 | 2007-10-31 | Special controlled-release fertilizer for sulfur, resin film coated ginger, garlic and manufacturing method therefor |
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| CN101182259A CN101182259A (en) | 2008-05-21 |
| CN100429184C true CN100429184C (en) | 2008-10-29 |
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| CNB2007101140057A Expired - Fee Related CN100429184C (en) | 2007-10-31 | 2007-10-31 | Special controlled-release fertilizer for sulfur, resin film coated ginger, garlic and manufacturing method therefor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617253A (en) * | 2012-02-29 | 2012-08-01 | 山东农大肥业科技有限公司 | Special sulphur plus resin double-membrane humic acid controlled release fertilizer applicable to tunnel cultivation of endive |
| CN102598943A (en) * | 2012-03-13 | 2012-07-25 | 山东省农业科学院农业资源与环境研究所 | Fertilizing method of postponing application of ginger slow/controlled release fertilizer |
| CN102795945A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur-resin double-membrane humic-acid controlled release fertilizer suitable for culturing garlic with mulching film |
| CN102795929A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Polymer-sulfur double coated humic acid sustained and controlled-release fertilizer dedicated for wheat |
| CN102795926A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur and resin double-coated humic acid controlled-release fertilizer suitable for corn |
| CN103232306B (en) * | 2013-05-23 | 2014-08-20 | 史丹利化肥股份有限公司 | Method for preparing special fertilizer containing sulfur element for efficiently controlled release garlic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188754A (en) * | 1997-01-24 | 1998-07-29 | 边云卿 | Compound mixed fertilizer and preparation method thereof |
| CN1603288A (en) * | 2004-09-29 | 2005-04-06 | 山东农业大学 | Coated controlled release fertilizer of degradable film prepared by reclaiming thermoplastic resin |
| CN1730446A (en) * | 2005-07-11 | 2006-02-08 | 陕西师范大学 | Special-purpose fertilizer for turmeric |
-
2007
- 2007-10-31 CN CNB2007101140057A patent/CN100429184C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188754A (en) * | 1997-01-24 | 1998-07-29 | 边云卿 | Compound mixed fertilizer and preparation method thereof |
| CN1603288A (en) * | 2004-09-29 | 2005-04-06 | 山东农业大学 | Coated controlled release fertilizer of degradable film prepared by reclaiming thermoplastic resin |
| CN1730446A (en) * | 2005-07-11 | 2006-02-08 | 陕西师范大学 | Special-purpose fertilizer for turmeric |
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Address after: 276700 No. 19, Da Xing Dong Street, Linshu County, Shandong Province Patentee after: KINGENTA ECOLOGICAL ENGINEERING GROUP Co.,Ltd. Address before: 276700 No. 19, Da Xing Dong Street, Linshu County, Shandong Province Patentee before: SHANDONG KINGENTA ECOLOGICAL ENGINEERING Co.,Ltd. |
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