CN1063675A - Special chemical fertilizer for beet - Google Patents
Special chemical fertilizer for beet Download PDFInfo
- Publication number
- CN1063675A CN1063675A CN92101717A CN92101717A CN1063675A CN 1063675 A CN1063675 A CN 1063675A CN 92101717 A CN92101717 A CN 92101717A CN 92101717 A CN92101717 A CN 92101717A CN 1063675 A CN1063675 A CN 1063675A
- Authority
- CN
- China
- Prior art keywords
- beet
- kilograms
- fertilizer
- sugar
- diammonium phosphate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000016068 Berberis vulgaris Nutrition 0.000 title claims abstract description 35
- 241000335053 Beta vulgaris Species 0.000 title claims abstract description 35
- 239000003337 fertilizer Substances 0.000 title claims abstract description 21
- 239000000126 substance Substances 0.000 title claims description 11
- 239000011573 trace mineral Substances 0.000 claims abstract description 16
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 16
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003077 lignite Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002426 superphosphate Substances 0.000 claims abstract description 7
- 150000002240 furans Chemical class 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 229910021538 borax Inorganic materials 0.000 claims description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 2
- 239000004328 sodium tetraborate Substances 0.000 claims description 2
- 239000005696 Diammonium phosphate Substances 0.000 abstract description 14
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 abstract description 14
- 229910000388 diammonium phosphate Inorganic materials 0.000 abstract description 14
- 235000019838 diammonium phosphate Nutrition 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 239000010941 cobalt Substances 0.000 abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002917 insecticide Substances 0.000 abstract description 3
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910052796 boron Inorganic materials 0.000 abstract description 2
- DUEPRVBVGDRKAG-UHFFFAOYSA-N carbofuran Chemical compound CNC(=O)OC1=CC=CC2=C1OC(C)(C)C2 DUEPRVBVGDRKAG-UHFFFAOYSA-N 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 229910052748 manganese Inorganic materials 0.000 abstract description 2
- 239000011572 manganese Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000035764 nutrition Effects 0.000 abstract description 2
- 239000011701 zinc Substances 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 238000005469 granulation Methods 0.000 description 7
- 230000003179 granulation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 210000003608 fece Anatomy 0.000 description 5
- 230000012010 growth Effects 0.000 description 5
- 239000010871 livestock manure Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 241000238631 Hexapoda Species 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000004021 humic acid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000021537 Beetroot Nutrition 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical group O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000002147 killing effect Effects 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 241001136249 Agriotes lineatus Species 0.000 description 1
- 241000219310 Beta vulgaris subsp. vulgaris Species 0.000 description 1
- 241000255789 Bombyx mori Species 0.000 description 1
- 241000289763 Dasygaster padockina Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001582888 Lobus Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- CZMRCDWAGMRECN-UHFFFAOYSA-N Rohrzucker Natural products OCC1OC(CO)(OC2OC(CO)C(O)C(O)C2O)C(O)C1O CZMRCDWAGMRECN-UHFFFAOYSA-N 0.000 description 1
- 235000021536 Sugar beet Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UUVBYOGFRMMMQL-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca].OP(O)(O)=O UUVBYOGFRMMMQL-UHFFFAOYSA-N 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000008446 instant noodles Nutrition 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000002156 mixing Methods 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
- 235000015097 nutrients Nutrition 0.000 description 1
- 208000015380 nutritional deficiency disease Diseases 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 125000005461 organic phosphorous group Chemical group 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The special fertilizer for beet is a special seed fertilizer for beet, which is prepared by using heavy superphosphate, common superphosphate, brown coal powder and ammonium nitrate as main raw materials and adding four trace elements of boron, zinc, manganese and cobalt and an insecticide carbofuran. The compound fertilizer is prepared according to the nutrition and cultivation characteristics of the beet. Compared with diammonium phosphate used in the prior production, the yield is kept flat, the sugar content is improved by 0.3-1.7 degrees, the benefit to sugar farmers and sugar industry is obvious due to low cost, and various adverse effects of diammonium phosphate on burnt beet sprouts and the like can be solved.
Description
What the present invention relates to is a kind of beet compound fertilizer special.
The used seed manure of present domestic beet substantially all is the diammonium phosphate by external import, and this also is the seed manure that agricultural goes up widespread usage.Its main component is Vanadium Pentoxide in FLAKES (P
2O
5) 46%, nitrogen (N) 18%.Because different crops is to the nutrient absorption law difference, susceptibility is different, so diammonium phosphate has been used many problems on beet, for example nitrogen content is than higher in the diammonium phosphate, and beet kind bud is more weak, and ammonia (NH often takes place in soil
3) kind of the bud phenomenon of burning, the lighter's disconnected ridge of being short of seedling, weight person's big area is not emerged.
Growth has promoter action to the nitrogen content height to beet seedling stage in the diammonium phosphate, particularly nitrogen metabolism vigorous growth center continues part on the ground, this situation is unfavorable for that the beet young root stretches to underground, and root deformation is short, the root head increases the beet sugar-containing rate and descends so the beet growth has occurred.Sugar beet is to utilize beet root, and above-mentioned phenomenon directly influences sugar refinery economic benefit.
Mainly concentrate on northeast, North China, the Northwest in China beet producing region at present, these areas all are calcareous soils, because calcium and water-soluble phosphorus have fixed action in the calcareous soil, validity phosphoric acid-calcium is transformed embarrass the octocalcium phosphate of being utilized by beet.Therefore, the phosphorus in the diammonium phosphate is fixed by the calcium in the soil in a large number, and utilization ratio is very low to be generally 10～20%.Therefore although content is very high in the diammonium phosphate, its effect is unsatisfactory, and enriches diammonium phosphate can occur again the burning danger of kind of bud.Through the test of diammonium phosphate rate of fertilizer application for many years, enrich diammonium phosphate and do not increase production, increase sugared effect, otherwise along with the diammonium phosphate consumption increases, sugar content falls progressively.
Find in the test that beet is very sensitive to many trace elements, for example in the Gramineae wheat boron-containing quantity be 3～4ppm(butt, down with) and in the beet up to 40～50ppm; Many cereal crops are insensitive to cobalt element, and beet is very sensitive to cobalt element, and enriching cobalt fertilizer has obvious Yield-increasing and sugar-increasing effect.Elements such as kindred circumstances zinc, manganese also all have good effect to the growing of beet, output, sugar content, and these trace elements are in the nutritional metabolic process of beet, all play a part mutual assistance again, particularly under the general situation of northern semiarid zone soil salt content height, spring chilling injury, often take place to do harm to because of the venereal disease of bringing out that lacks trace element, again because the critical period of nutrition of above-mentioned trace element is general all in fertility in earlier stage, therefore, in case bringing out property nutritional deficiency disease is difficult to retrieve the loss that is caused.Recurrent in beet is produced at present: seedling stage lobus cardiacus black withered, the piece root is hollow, rot in piece root bottom, output and sugar content decline is often with to lack some trace element relevant.
It is very high that the brown coal powder that adds in chemical fertilizer specially contains the humic acids amount, and seedling is had the growth of promotion effect.The macromole organic structure has certain mitigation to the problem that is fixed of available phosphorus in the fertilizer in the humic acids.
For the insect pest of control beet seedling stage adds an amount of insecticide carbofuran, silk worm first, cutworm, Cao Qi, wireworm etc. all there is good killing action.Dress seed with organic phosphorous insecticide with present insect protected method, perhaps beet goes out post-emergence spary and compares, and chemical fertilizer specially can accomplish that fertilising, desinsection once finish, and saves the labor force insect pest is eliminated at juvenile stage, and the fertilising certain depth of soil is arranged, remarkable to killing the subterranean pest-insect effect.
The research special chemical fertilizer for beet must be understood macroelement, trace element status and the water and nutrient characteristics of motion in Chinese northern edaphic condition, the soil, beet be absorbed the rule and the obstruction factor of various nutritive elements.Study beet growth and development rule and each growth phase dietetic alimentation metabolic condition, photosynthesis and sugared synthesis mechanism.To beet main diseases insect pest generation harming rule and prevent and treat method, more comprehensive understanding be arranged.Therefore this invention relates to soil science, beet physiology and trophology, agrochemistry, fertilizer chemical industry, plant protection and part meteorology.Need the skilled agriculture field biology test technical ability of carrying out in addition.
Major technique feature of the present invention is: will (330～390 kilograms of/ton double superhosphate, 200～300 kilograms of/ton normal superphosphates, 90～180 kilograms of/ton brown coal powders, 230～260 kilograms of/ton ammonium nitrate, 10～30 kilograms of/ton trace elements (mixture of borax, zinc sulfate, manganous sulfate, Xiao Suangu, by weight 6～15 kilograms: 0.5～1.0 kilogram of/ton proportioning) and 1 kilogram of/ton red sterilant of furans 2.5～12 kilograms: 1.0～2.0 kilograms:, drop into agitator and mix granulation, drying, cooling, screening.
Four kinds of micro-ratios are adjusted according to edaphic condition region-by-region difference.
Embodiment (one)
With 350 kilograms of/ton double superhosphate, 250 kilograms of/ton normal superphosphates, 260 kilograms of/ton ammonium nitrate, 109 kilograms of/ton brown coal powders, 30 kilograms of trace elements (wherein: 15 kilograms of boraxs, 12 kilograms in zinc sulfate, 1.8 kilograms of manganous sulfates, 1.2 kilograms of Xiao Suangus) and 1 kilogram of/ton furans be red to be dropped in the agitator, stir, be delivered to and add the water granulation in the granulation dish, amount of water is looked the raw material moisture situation, be as the criterion being shaped, send into drying cylinder oven dry, cooling, screening.Can be made into one ton of special chemical fertilizer for beet, 5～10 kilograms of process loss.
Technical indicator: 1 kilogram/of 2～4 millimeters of grade, moisture 6 ± 2%, intensity, PH4～6, grey black particle.
Embodiment (two)
Get 390 kilograms of double superhosphate, 200 kilograms of normal superphosphates, 230 kilograms in ammonium nitrate, trace element 20 kilograms of (wherein 10 kilograms of boraxs, 7 kilograms in zinc sulfate, 2.0 kilograms of manganous sulfates, 1.0 kilograms of Xiao Suangus), the red 1 kilogram of back granulation that stir of furans, in granulation process, add 159 kilograms of brown coal powders slowly, after finishing, granulation enters the dram oven dry, cooling, screening.Can be made into one ton of special chemical fertilizer for beet, its process loss, the same embodiment of product specification ().
Embodiment (three)
Get 280 kilograms of normal superphosphates, 370 kilograms of double superhosphate, 240 kilograms in ammonium nitrate, 99 kilograms of brown coal powders, spraying adds the red 1 kilogram of mixing of furans.10 kilograms of trace elements (6 kilograms of boraxs, 2.5 kilograms in zinc sulfate, 1.0 kilograms of manganous sulfates, 0.5 kilogram of Xiao Suangu) are dissolved in 50 kg of water, again this trace element solution is evenly sprayed in the above-mentioned raw materials mixture, stir, granulation, oven dry, cooling, screening, the same embodiment of technical indicator ().
Double superhosphate, normal superphosphate, ammonium nitrate, brown coal powder, trace element all need be Powdered in the above example, are as the criterion by 80 mesh sieves.
More than three made special chemical fertilizer for beet of example contain available phosphorus 20 ± 1%, nitrogenous 8 ± 1%, contain four kinds of trace element mixtures 1～3% and a small amount of humic acids, sterilant.This fertilizer is cooked the beet seed manure, uses 10～20 kilograms for every mu.Using 15 kilograms with every mu is example: output with use the equivalent diammonium phosphate and maintain an equal level, and do not apply fertilizer 300～600 kilograms of more every mu of volume increase beet roots, with diammonium phosphate relatively, improve root sugar content: 0.3～1.7 degree.Above-mentioned Yield-increasing and sugar-increasing effect is a macroelement in the special chemical fertilizer for beet, trace element, humic acids, agrochemical net effect, through east Inner Mongolia, West Inner Mongolia, Liaoning, Hebei, some areas, Ningxia for many years, the multiple spot test confirms.
In the present invention sterilant is added in the seed manure and once applies, can reduce the dispenser amount of labour used, utilize the fertilization depth of seed manure that agricultural chemicals is also applied certain depth, effective to the control subterranean pest-insect.With present international, domestic this kind example that still do not have of data consultation, after the practice of the Inner Mongol, the beet of being known as applies fertilizer, " instant noodles ", " medicated toothpaste " of dispenser according to the retrieval.By interim test and large-scale demonstration, be subjected to the welcome in sugared farming and sugar refinery.
Claims (1)
- A kind of special chemical fertilizer for beet, it is characterized in that it be by:The red sterilant of 33～39% double superhosphate, 20～30% normal superphosphates, 9～18% brown coal powders, 23～26% ammonium nitrate, 1～3% trace element (wherein borax, zinc sulfate, manganous sulfate, Xiao Suangu weight ratio are 6～15: 2.5～12: 1.0～2.0: 0.5～1.0 kilogram/ton) and 0.1% (1 kilogram per ton) furans is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92101717A CN1063675A (en) | 1992-03-19 | 1992-03-19 | Special chemical fertilizer for beet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92101717A CN1063675A (en) | 1992-03-19 | 1992-03-19 | Special chemical fertilizer for beet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1063675A true CN1063675A (en) | 1992-08-19 |
Family
ID=4939276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92101717A Pending CN1063675A (en) | 1992-03-19 | 1992-03-19 | Special chemical fertilizer for beet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1063675A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063164C (en) * | 1997-10-28 | 2001-03-14 | 郑军武 | Foliage fertilizer special for beet |
| CN105330411A (en) * | 2015-11-03 | 2016-02-17 | 内蒙古自治区农牧业科学院 | Efficient compound fertilizer special for beet |
| CN105474971A (en) * | 2015-12-23 | 2016-04-13 | 广西绿希望农业发展有限公司 | Planting method for improving sugar content of passion fruits |
| CN105494012A (en) * | 2015-12-23 | 2016-04-20 | 广西绿希望农业发展有限公司 | Planting method capable of increasing sugar content of Hylocereus undulatus Britt |
| CN106386051A (en) * | 2016-08-30 | 2017-02-15 | 铜陵翔宇商贸有限公司 | High-yield planting method for nutritional beets |
-
1992
- 1992-03-19 CN CN92101717A patent/CN1063675A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063164C (en) * | 1997-10-28 | 2001-03-14 | 郑军武 | Foliage fertilizer special for beet |
| CN105330411A (en) * | 2015-11-03 | 2016-02-17 | 内蒙古自治区农牧业科学院 | Efficient compound fertilizer special for beet |
| CN105474971A (en) * | 2015-12-23 | 2016-04-13 | 广西绿希望农业发展有限公司 | Planting method for improving sugar content of passion fruits |
| CN105494012A (en) * | 2015-12-23 | 2016-04-20 | 广西绿希望农业发展有限公司 | Planting method capable of increasing sugar content of Hylocereus undulatus Britt |
| CN105474971B (en) * | 2015-12-23 | 2018-06-08 | 广西绿希望农业发展有限公司 | Improve the implantation methods of passion fruit sugar |
| CN105494012B (en) * | 2015-12-23 | 2018-08-10 | 广西绿希望农业发展有限公司 | A kind of implantation methods improving dragon fruit sugar content |
| CN106386051A (en) * | 2016-08-30 | 2017-02-15 | 铜陵翔宇商贸有限公司 | High-yield planting method for nutritional beets |
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