CN102584437B - Sugarcane controlled-release fertilizer and preparation process thereof - Google Patents
Sugarcane controlled-release fertilizer and preparation process thereof Download PDFInfo
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- CN102584437B CN102584437B CN201210027532.5A CN201210027532A CN102584437B CN 102584437 B CN102584437 B CN 102584437B CN 201210027532 A CN201210027532 A CN 201210027532A CN 102584437 B CN102584437 B CN 102584437B
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- undegraded fat
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 81
- 240000000111 Saccharum officinarum Species 0.000 title claims abstract description 32
- 235000007201 Saccharum officinarum Nutrition 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims description 11
- 238000013270 controlled release Methods 0.000 title abstract description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011701 zinc Substances 0.000 claims abstract description 12
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 12
- 239000008187 granular material Substances 0.000 claims description 16
- 239000004021 humic acid Substances 0.000 claims description 12
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 9
- 239000005696 Diammonium phosphate Substances 0.000 claims description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 7
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 7
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 7
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 7
- XAAHAAMILDNBPS-UHFFFAOYSA-L calcium hydrogenphosphate dihydrate Chemical compound O.O.[Ca+2].OP([O-])([O-])=O XAAHAAMILDNBPS-UHFFFAOYSA-L 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011591 potassium Substances 0.000 abstract description 3
- 229910052700 potassium Inorganic materials 0.000 abstract description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011575 calcium Substances 0.000 abstract description 2
- 229910052791 calcium Inorganic materials 0.000 abstract description 2
- 238000013268 sustained release Methods 0.000 abstract description 2
- 239000012730 sustained-release form Substances 0.000 abstract description 2
- 210000003608 fece Anatomy 0.000 description 11
- 239000010871 livestock manure Substances 0.000 description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 235000010755 mineral Nutrition 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229920005992 thermoplastic resin Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- -1 25 kilograms Chemical compound 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 229910017053 inorganic salt Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 2
- 229940078495 calcium phosphate dibasic Drugs 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000013278 single fertilization Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The invention provides a sugarcane controlled-release fertilizer, namely a controlled-release (sustained-release) fertilizer, which comprises an outer layer package layer and internal fertilizer particles. The weight ratio between the package layer and the internal fertilizer particles is 0.3-3 to 7-12. The fertilizer particles comprise nitrogen, phosphorus, potassium, calcium and zinc. In addition, the invention further provides application and a method for preparing the sugarcane fertilizer.
Description
Technical field
The invention belongs to vegetable fertilizer field, particularly, the present invention relates to the release and release control fertilizer for sugarcane.
Background technology
Sugarcane is important product sugar, and in China, Guangxi province cultivated area is particularly large, and year sucrose yield accounts for 70% left and right of the total output of sugar in the whole nation.But in sugarcane production process, there is the fertile part of large feature of consumption, and single fertilization amount can not be too much, and fertilizer can cause " burning root " phenomenon, therefore conventionally adopts a small amount of fertilizing method repeatedly to apply fertilizer.
Someone sugarcane fertilizer that begins one's study at present.For example, Chinese patent 200710066326 discloses a kind of special compound fertilizer for sugar-cane, comprises base manure and topdresses, and wherein in base manure, the ratio of nitrogen phosphorus potassium and zinc is 10: 10: 8: 0.5, and the ratio of the middle nitrogen phosphorus potassium that topdresses is 18: 6: 4.
But after above Term Fertilization, especially, after southern rain-belt is used, wherein solubility inorganic fertilizer can fast speed dissolve, and has reduced on the one hand the effect of Term Fertilization, causes fertilizer waste, also pollutes in addition periphery water body.For this reason, there is people to prepare slowly-releasing (controlled release) fertilizer by the mode that increases coating on fertilizer surface.For example, Chinese patent 96105688 discloses a kind of coated fertilizer, wherein the composition of soil layer is except 0.1～50 part of gelatin, it is mainly soluble inorganic salt, as 1～180 part of solubilizing agent (its main component is the inorganic salt such as ammonium sulfate, ammonium nitrate) and 0.1～200 part of plant nutrient compound (being mainly the vitriol of iron, zinc), cause like this in the coating of gelatin parcel and have great amount of soluble inorganic salt, after meeting water, rapid dissolving makes fertiliser granulates form vesicular or disintegration, and actual slowly-releasing (controlled release) ability is very limited.
And for example, Chinese patent 200710115643 discloses a kind of sugarcane special-purpose control-release fertilizer, it does not continue above thinking, changes and uses thermoplastic resin, but there will be on the contrary white pollution and slowly-releasing (controlled release) hyperenergia or the problem such as excessively weak to solve.What use now mostly is urethane plastic with thermoplastic resin, and itself hard degradation is even buried in the earth and also cannot degrades decades, will cause white pollution.In addition, if thermoplastic resin consumption is excessive, cannot effectively discharge the fertilizer of internal package; And if consumption is too small, in thermoplastic resin, be mixed with a large amount of soluble inorganic salt and urea etc., rainwater easily dissolves these soluble componentss fast, thereby makes thermoplastic resin coating become even disintegration of porous, and actual slowly-releasing (controlled release) ability is very limited.More seriously, the potash fertilizer of this patent, phosphate fertilizer and trace element do not have coated parcel, and are to be only uniformly mixed with thermoplastic resin membrane wrapping urea, and therefore the slowly-releasing to these several constituents (controlled release) ability does not almost have.
For this reason, the inventor is through long-term and arduous research, picked out rumen-undegraded fat and carry out Wrapped fertilizer from the existing chemical products as vast as the open sea, and the emission levels in the sugarcane controlled-release fertilizer of formation is moderate, and this material can degrade at occurring in nature, can not form white pollution.Rumen-undegraded fat powder is used to wrap up the feed of animal edible in the prior art, and because it has the fusing point that exceeds envrionment temperature (this is lower than the problem in animal body), and nobody uses it in feed parcel, but the inventor finds can discharge with moderate speed in moisture physical environment.More surprisingly, inventor's discovery, this material only has under the condition of mineral manure at parcel, and encapsulation rate is not high, therefore needs more material to wrap up, and causes cost to increase; And in the time wrapping up the fertilizer that contains yellow humic acid, only need less material just effectively to seal, reduce cost.
Summary of the invention
The technical problem to be solved in the present invention is the sugarcane fertilizer that provides new, and it can controlled release (, slowly-releasing) fertilizer.The present invention also provides application and the method etc. of preparation sugarcane fertilizer in addition.
Particularly, in first aspect, the invention provides sugarcane fertilizer, it including outer field integument and fertiliser granulates, it is characterized in that, the weight ratio of integument and fertiliser granulates is 0.3～3: 7～12, wherein
Integument is made up of rumen-undegraded fat; With,
Fertiliser granulates comprises nitrogen, phosphorus, potassium, calcium and zinc.
Preferably, in first aspect present invention, the diameter of fertiliser granulates is about 0.3～1.5mm, is preferably 0.4～0.8mm, most preferably is 5mm.
Preferably, in first aspect present invention, the weight ratio of integument and fertiliser granulates is 0.5～2: 8～9.5.
Preferably, in first aspect present invention, fertiliser granulates comprises urea, diammonium phosphate, Repone K, calcium phosphate dibasic dihydrate and Zinc vitriol.More preferably wherein, the weight ratio of urea, diammonium phosphate, Repone K, calcium phosphate dibasic dihydrate and Zinc vitriol is 25～35: 35～45: 20～30: 1～2: 0.3～1.
Preferably, in first aspect present invention, fertiliser granulates also comprises yellow humic acid.More preferably wherein, the weight ratio of urea, diammonium phosphate, Repone K, calcium phosphate dibasic dihydrate, Zinc vitriol and yellow humic acid is 20～30: 25～38: 15～25: 0.5～1.5: 0.3～0.5: 15～25.
Preferably, in first aspect present invention, rumen-undegraded fat is hundred HTL316 of Canon.
In second aspect, the invention provides the application of rumen-undegraded fat in preparation sugarcane fertilizer.More preferably wherein, sugarcane fertilizer is sugarcane controlled-release fertilizer.
Preferably, in second aspect present invention, sugarcane fertilizer is the sugarcane fertilizer of first aspect present invention.
In the third aspect, the invention provides the preparation method of the sugarcane fertilizer of first aspect present invention, it comprises:
(1) fusing rumen-undegraded fat; With
(2) rumen-undegraded fat of fusing is sprayed on fertiliser granulates surface.
Preferably, in third aspect present invention, the diameter of fertiliser granulates is about 0.3～1.5mm, is preferably 0.4～0.8mm, most preferably is 5mm.
The present invention has following advantages and effect: the elements such as the required nitrogen of sugarcane production, phosphorus, potassium, zinc and magnesium can be provided, improve the output of tealeaves; Controlled release/slow release fertilizer, effectively reduces the turnover rate of fertilizer, improves the utilising efficiency of fertilizer; Controlled release/sustained release rate is moderate and stable, further improves the output of tealeaves; The equal degradable of fertilizer component, can not bring white pollution; While using yellow humic acid, not only can increase nutriment in a fertilizer, and can effectively improve encapsulation rate, reduce the consumption of lapping, save cost.
For the ease of understanding, below will be described in detail the present invention by specific embodiment.It needs to be noted, specific examples is only in order to illustrate, does not form limitation of the scope of the invention.Obviously those of ordinary skill in the art can, according to explanation herein, make various corrections and change to the present invention within the scope of the invention, and these corrections and change are also included in scope of the present invention.In addition, the present invention has quoted open source literature, and these documents are also in order more clearly to describe the present invention, and their full text content is all included the present invention in and carried out reference, just look like they full text in specification sheets of the present invention repeated description excessively the same.
Embodiment
Below will invention be described by specific embodiment herein.As do not specialize part, can implement according to listed method in the familiar agronomy of those skilled in the art and fertilizer science handbook and the reference of quoting herein.In addition, the material and facility using in embodiment all can be bought from the market.
The parcel of embodiment 1 mineral manure
Get 30 kilograms, urea, 40 kilograms of diammonium phosphate, 25 kilograms, Repone K, 1.5 kilograms of calcium phosphate dibasic dihydrates, 0.5 kilogram of Zinc vitriol, after mixing, then add 3 kg of water, after mixing, pulverize and sieve granulation, make the particle that diameter is about 0.5mm, be without Wrapped fertilizer.
Get the HTL316 of 0.5 kilogram of hundred Canon (BergaFat) (can purchased from Nanning converge new peak herding company limited) melts in 60 ℃ of baking ovens, then with fluidized granulation seed-coating machine, it is all evenly sprayed on the surface of particle of 9.5 kilograms of above-mentioned preparations and forms integument, obtain mineral manure 1; Separately get the HTL316 of 2 kilogram of hundred Canon (BergaFat) (can purchased from Nanning converge new peak herding company limited) melts in 60 ℃ of baking ovens, then with fluidized granulation seed-coating machine, it is all evenly sprayed on the surface of particle of 8 kilograms of above-mentioned preparations and forms integument, obtain mineral manure 2.
Embodiment 2 is containing the parcel of the fertilizer of yellow humic acid
Get 24 kilograms, urea, 32 kilograms of diammonium phosphate, 20 kilograms, Repone K, 1.2 kilograms of calcium phosphate dibasic dihydrates, 0.4 kilogram of Zinc vitriol, after mixing, then add 20.4 kilograms of yellow humic acids and 2 kg of water, after mixing, pulverize and sieve granulation, make the particle that diameter is about 0.5mm.
Get the HTL316 of 0.5 kilogram of hundred Canon (BergaFat) (can purchased from Nanning converge new peak herding company limited) melts in 60 ℃ of baking ovens, then with fluidized granulation seed-coating machine, it is all evenly sprayed on the surface of particle of 9.5 kilograms of above-mentioned preparations and forms integument, obtain the fertilizer containing yellow humic acid.
The dissolution rate test of embodiment 3 Wrapped fertilizers
Get mineral manure 1, mineral manure 2 and the fertilizer containing yellow humic acid of embodiment 1 and 2 preparations, and get prepared by embodiment 1 without Wrapped fertilizer and with the fertilizer of urethane resin parcel in contrast, be immersed in clear water, detect fertilizer solubility rate wherein at different time water sampling, result is as shown in the table:
Almost all dissolve at once without Wrapped fertilizer, show to there is slow releasing function; Except there is no the fertiliser granulates of environmental sealing (sealing) in initial dissolving, disengage seldom more thereafter fertilizer with the fertilizer of urethane parcel, dissolution efficiency is too low; The encapsulation rate of mineral manure 1 is very low, causes a large amount of fertilizer just dissolving at first, but can continue thereafter to disengage the fertilizer of sealing; Mineral manure 2 and higher containing the encapsulation rate of the fertilizer of yellow humic acid, the fertilizer that major part is sealed continues to disengage in the back.
Embodiment 4 Sugarcane Fertilization effects
The inventor entrusts Guangxi sugarcane research, the fertilizer containing yellow humic acid of preparing with embodiment 2 carries out manurial experiment to sugarcane, use once as base manure for annual, what prepare take embodiment 1 is contrast without Wrapped fertilizer simultaneously, after plantation, experimental group is than the sugarcane mean yield volume increase 9.5% of control group, and sucrose content increases production 0.17%, and visible fertilizer of the present invention mainly increases the output of sugarcane.
Claims (4)
1. sugarcane fertilizer, it including outer field integument and fertiliser granulates, it is characterized in that, the weight ratio of integument and fertiliser granulates is 0.3 ~ 3:7 ~ 12, wherein
Integument is made up of rumen-undegraded fat, and wherein rumen-undegraded fat is hundred HTL316 of Canon; With,
Fertiliser granulates comprises urea, diammonium phosphate, Repone K, calcium phosphate dibasic dihydrate, Zinc vitriol and yellow humic acid, and wherein the weight ratio of urea, diammonium phosphate, Repone K, calcium phosphate dibasic dihydrate, Zinc vitriol and yellow humic acid is 20 ~ 30:25 ~ 38:15 ~ 25:0.5 ~ 1.5:0.3 ~ 0.5:15 ~ 25.
2. sugarcane fertilizer claimed in claim 1, is characterized in that, the weight ratio of integument and fertiliser granulates is 0.5 ~ 2:8 ~ 9.5.
3. the application of rumen-undegraded fat in preparation sugarcane fertilizer, wherein sugarcane fertilizer is arbitrary described sugarcane fertilizer of claim 1 ~ 2, wherein rumen-undegraded fat is hundred HTL316 of Canon.
4. the preparation method of arbitrary described sugarcane fertilizer of claim 1 ~ 2, it comprises:
(1) fusing rumen-undegraded fat, wherein rumen-undegraded fat is hundred HTL316 of Canon; With
(2) rumen-undegraded fat of fusing is sprayed on fertiliser granulates surface.
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| CN201210027532.5A CN102584437B (en) | 2012-02-08 | 2012-02-08 | Sugarcane controlled-release fertilizer and preparation process thereof |
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| CN201210027532.5A CN102584437B (en) | 2012-02-08 | 2012-02-08 | Sugarcane controlled-release fertilizer and preparation process thereof |
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| CN104045408B (en) * | 2013-03-11 | 2016-08-10 | 叶长东 | Maninot esculenta crantz. Controlled Release Fertilizer and preparation technology thereof |
| CN103570433A (en) * | 2013-11-15 | 2014-02-12 | 康剑光 | Special compound fertilizer for sugarcane |
| CN104291971A (en) * | 2014-09-26 | 2015-01-21 | 安徽禾泉种业有限公司 | Zinc-rich special slow-release fertilizer for rice and preparation method thereof |
| CN105085044A (en) * | 2015-08-17 | 2015-11-25 | 李志山 | Sugar cane controlled-release fertilizer and preparation method thereof |
| CN105085054A (en) * | 2015-08-21 | 2015-11-25 | 李志山 | Lychee release-control fertilizer and preparation method thereof |
| CN105237312A (en) * | 2015-08-21 | 2016-01-13 | 李志山 | Controlled-release fertilizer for sugarcane and preparation method thereof |
| CN105237252A (en) * | 2015-08-28 | 2016-01-13 | 李志山 | Tomato release-controllable fertilizer and preparation method thereof |
| CN105085098A (en) * | 2015-08-28 | 2015-11-25 | 李志山 | Controlled-release fertilizer for pumpkins and preparation method for controlled-release fertilizer |
| CN105130690A (en) * | 2015-08-28 | 2015-12-09 | 李志山 | Chili-controlled release fertilizer and preparation method thereof |
| CN105237138A (en) * | 2015-08-28 | 2016-01-13 | 李志山 | Release-controlled fertilizer for Chinese yam and preparation method thereof |
| CN105237251A (en) * | 2015-08-28 | 2016-01-13 | 李志山 | Release-control fertilizer for brassica juncea and preparation method thereof |
| CN105272531A (en) * | 2015-09-25 | 2016-01-27 | 广西百润源农业有限公司 | Sugarcane controlled release fertilizer and preparation method thereof |
| CN105198588A (en) * | 2015-09-25 | 2015-12-30 | 广西百润源农业有限公司 | Tea tree controlled-release fertilizer and preparation method thereof |
| CN105198603A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Pointed-tail Chinese cabbage controlled-release fertilizer and preparation method thereof |
| CN105198598A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Muskmelon controlled-release fertilizer and preparation method thereof |
| CN105198604A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Fragrant taro controlled-release fertilizer and preparation method thereof |
| CN105367242A (en) * | 2015-11-26 | 2016-03-02 | 南宁市金沙壮畜牧养殖有限责任公司 | Special controlled release fertilizer for sugarcane and preparation method for fertilizer |
| CN105565976A (en) * | 2015-12-21 | 2016-05-11 | 罗永城 | Controlled-release fertilizer for cantaloupes and preparation method thereof |
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| CN1830919A (en) * | 2006-03-17 | 2006-09-13 | 昆明榕风生物技术有限公司 | Environmental protection type synergia and controlled-releasing fertilizer and its prepn. method |
| CN101348398B (en) * | 2008-08-26 | 2013-01-30 | 华南农业大学 | Long-acting coated compound fertilizer and preparation thereof |
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