CN101468929B - Special inorganic composite topdressing fertilizer for sweet sorghum in alkaline land and preparation method thereof - Google Patents
Special inorganic composite topdressing fertilizer for sweet sorghum in alkaline land and preparation method thereof Download PDFInfo
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- CN101468929B CN101468929B CN200810118838A CN200810118838A CN101468929B CN 101468929 B CN101468929 B CN 101468929B CN 200810118838 A CN200810118838 A CN 200810118838A CN 200810118838 A CN200810118838 A CN 200810118838A CN 101468929 B CN101468929 B CN 101468929B
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- 244000138286 Sorghum saccharatum Species 0.000 title claims abstract description 51
- 239000003337 fertilizer Substances 0.000 title claims abstract description 51
- 235000011684 Sorghum saccharatum Nutrition 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000002131 composite material Substances 0.000 title description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004202 carbamide Substances 0.000 claims abstract description 19
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 16
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 16
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 16
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 16
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 15
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 15
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 15
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000009938 salting Methods 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 235000013339 cereals Nutrition 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 14
- 230000003179 granulation Effects 0.000 claims description 14
- 239000001120 potassium sulphate Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 230000012010 growth Effects 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 150000002484 inorganic compounds Chemical class 0.000 abstract 2
- 229910010272 inorganic material Inorganic materials 0.000 abstract 2
- 230000037208 balanced nutrition Effects 0.000 abstract 1
- 235000019046 balanced nutrition Nutrition 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 39
- 241000196324 Embryophyta Species 0.000 description 14
- 238000013329 compounding Methods 0.000 description 13
- 235000009508 confectionery Nutrition 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 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 3
- 229930006000 Sucrose Natural products 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000002508 compound effect Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 235000021049 nutrient content Nutrition 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000000618 nitrogen fertilizer Substances 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000015505 Sorghum bicolor subsp. bicolor Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 208000006278 hypochromic anemia Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008636 plant growth process Effects 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
- 230000005070 ripening Effects 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The invention relates to a sweet-sorghum special inorganic compound additional fertilizer applicable to saline-alkaline land, and a preparation method thereof. The inorganic compound additional fertilizer is prepared from 54.3 to 65.2 percent (by weight) of urea, 26 to 34 percent (by weight) of potassium sulfate fertilizer, 1.5 to 3 percent (by weight) of ferrous sulfate fertilizer and 5.8 to 12.2 percent (by weight) of bentonite through the steps of grinding, mixing, granulating, drying, cooling and the like. The additional fertilizer has the characteristics of special application, balanced nutrition, high efficiency and excellent environmental protection, and can remarkably promote the growth of sweet sorghum in the environment of saline-alkaline land.
Description
Technical field
The present invention relates to a kind of fertilizer and preparation method thereof, particularly a kind of sweet sorghum special inorganic that is suitable for using in the saltings is compound to topdress and preparation method thereof.
Background technology
The development of agricultural modernization is had higher requirement to the chemical fertilizer product.Composite fertilizer can provide multiple nutritional components such as the N, P, K of rational proportion, and can produce certain synergy; And special-purpose fertilizer can be according to the special property of soil and plant, and property provides nutrition more targetedly, and good effect is also arranged.In recent years, China composite fertilizer is all fast-developing with special-purpose fertile research and application, some composite special fertilizer material occurred, but kind does not also remain further to be enriched.
The saline and alkaline land area of China is bigger, because saltiness is higher, it is unfavorable for the growth of crop.And sweet sorghum sowing generally is at the beginning of by the end of April to 5 months, and rainfall generally is rare, and soil evaporativeness is big, and the saline and alkaline of upper soll layer also was to go in the highest in 1 year.Crop often need be appended applying fertilizer once more at a large amount of fertilizer of necessary for growth in the process of plant-growth, promptly topdress.
Do not see that at present the sweet sorghum special use that is applicable to the saltings topdresses.
Summary of the invention
The object of the invention provides a kind of sweet sorghum specific complex in saline and alkaline soil that is applicable to topdress and preparation method thereof.This topdressing is suitable for appending use in the process of growth sweet sorghum on the ground at barren saline-alkali soil.
Compound the topdressing of sweet sorghum special inorganic that is suitable for the saltings use among the present invention, wherein effectively fertile (N+K
2O+Fe) amount is more than or equal to 42 weight %; Its activeconstituents N: K
2O ≈ 2: 1.Can be processed by urea, potassium sulphate fertilizer, ferrous sulfate fertilizer and wilkinite, its weight percent is respectively: urea 54.3%-65.2%, potassium sulphate fertilizer 26%-34%, the fertile 1.5%-3% of ferrous sulfate, wilkinite 5.8%-12.2%.
Be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings among the present invention, wherein in the urea part by weight of nitrogen more than or equal to 46%; K in the potassium sulphate fertilizer
2The part by weight of O is more than or equal to 50%; Iron in the ferrous sulfate fertilizer is more than or equal to 20%; Do not contain potassium in the wilkinite.
The compound preparing method's who topdresses of sweet sorghum special inorganic that being suitable for described in the present invention used in the saltings step is following:
1) raw material pulverizing: urea, potassium sulphate fertilizer and ferrous sulfate nutriment in a fertilizer are not crushed to median size reach about 2mm;
2) blending: will pulverize the fertile and wilkinite proportional mixing of urea, potassium sulphate fertilizer and ferrous sulfate, and add an amount of water again, and mix through stirrer;
3) granulation: the material that mixes is carried out granulation with rotary drum granulator under 55-65 ℃ temperature, particle diameter is 1.5-3.5mm;
4) oven dry: the grain that will make is dried with dryer, and the dryer air inlet temperature is 150-200 ℃, and the air outlet is 50-60 ℃, dries to the particulate water cut to be less than or equal to 2 weight %;
5) cooling: the fertiliser granulates after will drying advances cooling tank and is cooled to normal temperature;
6) warehouse-in: warehouse-in is preserved sieve out the granule packaging that meets the product cut size requirement with sizing screen after.
In the aforesaid method, also can add the screening step between step 4) and the step 5), it is specially: particle diameter carries out granulation again after requiring size particles to pulverize; Particle diameter is less than requiring directly granulation again of size particles.
Urea is this area nitrogenous fertilizer commonly used, and the weight percentage of preferably selecting nitrogen in the present invention for use is more than or equal to 46% urea; K in the preferably sulfuric acid potash fertilizer
2The part by weight of O is more than or equal to 50%; Iron in the ferrous fertilizer of preferably sulfuric acid is more than or equal to 20%; And also contain nitrogen and P in the wilkinite
2O
5, preferably wherein do not contain potassium, like K
2The wilkinite of O.
Compound the topdressing of sweet sorghum special inorganic that is suitable for using in the saltings among the present invention is shaped as spheroidal or elliposoidal, and particle diameter is 1.5-3.5mm, and water cut is less than or equal to 2.0 weight %, wherein effectively fertile (N+K
2O+Fe) amount is more than or equal to 42.4 weight %.
When using compound the topdressing of sweet sorghum special inorganic that being suitable among the present invention use in the saltings, can answer input amount to deduct the base fertilizer input amount according to expected volume following breeding time of total nutrient and obtain final topdressing amount with reference to following table.：
Years of researches are found; Sweet sorghum is bigger to the demand of trace elements iron; Because available state ferrous ion deficiency usually causes the plant leaf chlorosis in the soil, jointing is later on that various nutrient elements absorb animated period, therefore in the prescription that topdresses, has suitably added ferrous sulfate.Compound the topdressing of the special-purpose high density of saltings sweet sorghum used in the jointing stage, combined ridging or ditched fertilizer is imbedded in the ranks in the soil.
Compound the topdressing of sweet sorghum special inorganic that is suitable for using in the saltings among the present invention has following beneficial effect:
1) specificity: it is to develop according to the soil nutrient characteristics of beach saline land and the characteristics of sweet sorghum nutrition absorption that the inorganic compounding among the present invention is topdressed, and is applicable to the sweet sorghum kind of ripe a plurality of types of morning, noon and afternoon;
2) balanced nutrients property: when using inorganic compounding among the present invention and topdressing, can satisfy one of crop growth season needed whole phosphorus plain, potassium is plain and the nitrogen nutrition demand;
3) high efficiency: the inorganic compounding among the present invention is topdressed with strong points, and utilization rate of fertilizer is far above conventional fertilizers;
4) the high-quality feature of environmental protection: the inorganic compounding among the present invention is topdressed and can be promoted sweet sorghum growth and sugar part accumulation, improves the sweet sorghum quality, simultaneously because nutritive equilibrium and higher utilization rate of fertilizer can not cause the water body eutrophication.
Topdressing among the present invention can be made with same applicant, and denomination of invention is used for the base fertilizer in " a kind of be suitable for the compound base fertilizer of sweet sorghum special inorganic that use in the saltings ".
Embodiment
For further specifying the present invention, specifically set forth in conjunction with following examples:
Embodiment 1
1, production inorganic compounding is topdressed:
Be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings among production the present invention as follows:
1) material is pulverized: with the urea (weight percent of N>=46%) of 61 weight %, the potassium sulphate fertilizer (K of 28 weight %
2O>=50%) and fertile (Fe>=20%) pulverize separately to the median size of the ferrous sulfate of 2 weight % reach 2mm;
2) blending: will pulverize that urea, potassium sulphate fertilizer, ferrous sulfate are fertile to be mixed with the wilkinite of 15.35 weight %, and add an amount of water again, and mix through stirrer;
3) granulation: the material that mixes is carried out granulation with rotary drum granulator under 55 ℃ temperature, particle diameter is 1.5mm;
4) oven dry: will make the grain dry with dryer, the dryer air inlet temperature is 150 ℃, the air outlet is 50 ℃, dry to the particulate water cut be 2 weight %;
5) cooling: the fertiliser granulates after will drying advances cooling tank and is cooled to normal temperature;
6) warehouse-in: warehouse-in is preserved sieve out the granule packaging that meets the product cut size requirement with sizing screen after.
Promptly obtain being suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings.
Nutrient content during inorganic compounding is topdressed is: N>=28%; K
2O>=14%; Fe>=0.4%; N+K
2O+Fe>=42.4%.
2, be suitable for the compound effect test of topdressing of sweet sorghum special inorganic of saltings use:
Carried out being suitable for the compound sweet sorghum fertilizer test of topdressing on the saltings of sweet sorghum special inorganic that use in the saltings in the Haixing County, Hebei province.Experimental field belong to the moderate saltings, 10 mu of test area, it is " meaning Dary " that the sweet sorghum kind is used in test.Test group blooms sweet sorghum-and the jointing stage imposes the inorganic compounding that obtains in 25 kilograms of present embodiments and topdresses, and control group blooms sweet sorghum-and the jointing stage imposes 40 kilograms of urea, and other rich water quality managements are identical.Late growth stage is to sweet sorghum plant height, stem stalk sugar degree (hammer degree), grain yield and the determination of yield of stem stalk.
Test-results shows, test group plant height 210cm, and control group plant height 162cm, test group improves 29.6% than control group plant height; Test group grain yield 1749kg/hm
2, control group grain yield 1584kg/hm
2, test group improves 10.4% than control group grain yield; Test group stem stalk sugar degree (hammer degree brix) 17.74, control group stem stalk sugar degree (hammer degree brix) 16.4, test group improves 8.2% than control group stem stalk sugar degree (hammer degree brix); Test group stem stalk output 71946kg/hm
2, control group stem stalk output 58489kg/hm
2, test group improves 23% than control group stem stalk output.
Embodiment 2
1, production inorganic compounding is topdressed:
Be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings among production the present invention as follows:
1) material is pulverized: with the urea (weight percent of N>=46%) of 65.2 weight %, the potassium sulphate fertilizer (K of 26 weight %
2O>=50%) and fertile (Fe>=20%) pulverize separately to the median size of the ferrous sulfate of 1.5 weight % reach 2mm;
2) blending: the urea that will pulverize, potassium sulphate fertilizer, ferrous sulfate fertilizer mix with the wilkinite of 7.3 weight %, add an amount of water again, mix through stirrer;
3) granulation: the material that mixes is carried out granulation with rotary drum granulator under 65 ℃ temperature, particle diameter is 3.5mm;
4) oven dry: will make the grain dry with dryer, the dryer air inlet temperature is 200 ℃, the air outlet is 60 ℃, dry to the particulate water cut be 1.5 weight %;
5) cooling: the fertiliser granulates after will drying advances cooling tank and is cooled to normal temperature;
6) warehouse-in: warehouse-in is preserved sieve out the granule packaging that meets the product cut size requirement with sizing screen after.
Promptly obtain being suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings.
Nutrient content during inorganic compounding is topdressed is: N>=30%; K
2O>=13%; Fe>=0.3%; N+K
2O+Fe>=43.3%.
2, be suitable for the compound effect test of topdressing of sweet sorghum special inorganic of saltings use:
Carried out being suitable for the compound sweet sorghum fertilizer test of topdressing on the saltings of sweet sorghum special inorganic that use in the saltings in the Haixing County, Hebei province.Experimental field belong to the moderate saltings, 10 mu of test area, it is " meaning Dary " that the sweet sorghum kind is used in test.Test group blooms sweet sorghum-and the jointing stage imposes the inorganic compounding that obtains in 25 kilograms of present embodiments and topdresses, and control group blooms sweet sorghum-and the jointing stage imposes 40 kilograms of urea, and other rich water quality managements are identical.Late growth stage is to sweet sorghum plant height, stem stalk sugar degree (hammer degree), grain yield and the determination of yield of stem stalk.
Test-results shows, test group plant height 211cm, and control group plant height 162cm, test group improves 30.2% than control group plant height; Test group grain yield 1620kg/hm
2, control group grain yield 1584kg/hm
2, test group improves 2.3% than control group grain yield; Test group stem stalk sugar degree (hammer degree brix) 17.05, control group stem stalk sugar degree (hammer degree brix) 16.4, test group improves 4.0% than control group stem stalk sugar degree (hammer degree brix); Test group stem stalk output 68181kg/hm
2, control group stem stalk output 58489kg/hm
2, test group improves 16.6% than control group stem stalk output.
Embodiment 3
1, production inorganic compounding is topdressed:
Be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings among production the present invention as follows:
1) material is pulverized: with the urea (weight percent of N>=46%) of 54.3 weight %, the potassium sulphate fertilizer (K of 34 weight %
2O>=50%) and fertile (Fe>=20%) pulverize separately to the median size of the ferrous sulfate of 3 weight % reach 2mm;
2) blending: will pulverize urea and ammonium phosphate and mix, and add an amount of water again, and mix through stirrer with the wilkinite of 8.7 weight %;
3) granulation: the material that mixes is carried out granulation with rotary drum granulator under 60 ℃ temperature, particle diameter is 2.5mm;
4) oven dry: will make the grain dry with dryer, the dryer air inlet temperature is 180 ℃, the air outlet is 55 ℃, dry to the particulate water cut be 1 weight %;
5) cooling: the fertiliser granulates after will drying advances cooling tank and is cooled to normal temperature;
6) screening: the particle to after the oven dry sieves, and particle diameter carries out granulation again after requiring size particles to pulverize; Particle diameter is less than requiring directly granulation again of size particles;
7) warehouse-in: warehouse-in is preserved sieve out the granule packaging that meets the product cut size requirement with sizing screen after.
Promptly obtain being suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings.
Nutrient content during inorganic compounding is topdressed is: N>=25%; K
2O>=17%; Fe>=0.6%; N+K
2O+Fe>=42.6%.
2, be suitable for the compound effect test of topdressing of sweet sorghum special inorganic of saltings use:
Carried out being suitable for the compound sweet sorghum fertilizer test of topdressing on the saltings of sweet sorghum special inorganic that use in the saltings in the Haixing County, Hebei province.Experimental field belong to the moderate saltings, 10 mu of test area, it is " meaning Dary " that the sweet sorghum kind is used in test.Test group blooms sweet sorghum-and the jointing stage imposes the inorganic compounding that obtains in 25 kilograms of present embodiments and topdresses, and control group blooms sweet sorghum-and the jointing stage imposes 40 kilograms of urea, and other rich water quality managements are identical.Late growth stage is to sweet sorghum plant height, stem stalk sugar degree (hammer degree), grain yield and the determination of yield of stem stalk.
Test-results shows, test group plant height 205cm, and control group plant height 162cm, test group improves 26.5% than control group plant height; Test group grain yield 1623kg/hm
2, control group grain yield 1584kg/hm
2, test group improves 2.5% than control group grain yield; Test group stem stalk sugar degree (hammer degree brix) 17.38, control group stem stalk sugar degree (hammer degree brix) 16.4, test group improves 6.0% than control group stem stalk sugar degree (hammer degree brix); Test group stem stalk output 69380kg/hm
2, control group stem stalk output 58489kg/hm
2, test group improves 18.6% than control group stem stalk output.
In sum, sweet sorghum blooms-jointing stage, and seed ripening process and sweet broomcorn straw Icing Sugar cumulative process are transferred in the fertility center; Grain yield and cane sucrose accumulation are carried out basically synchronously; Heading back plant takes off fertile phenomenon as if having, and the measure of should topdressing is to promote maturation and sucrose accumulation.Middle and later periods of planting sweet sorghum should not too much apply nitrogenous fertilizer, in order to avoid remaining green when it is due to become yellow and ripe excessive growth, influences the normal mature of sucrose accumulation and seed in the cane, and this is the key of fertilising.Each nutritive substance proportioning of topdressing has promoter action preferably to growing of sweet sorghum, can increase plant height, increases grain yield and the stem stalk output of plant, can also effectively improve sorgo juice liquid hammer degree.
The % that relates among the present invention all refers to weight percent as outside the no specified otherwise.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (5)
1. one kind is suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings; It is characterized in that: fertile 1.5%-3% of urea 54.3%-65.2%, potassium sulphate fertilizer 26%-34%, ferrous sulfate and wilkinite 5.8%-12.2% that this is compound to topdress by weight percent process, and preparation process is following:
1) raw material pulverizing: urea, potassium sulphate fertilizer and ferrous sulfate nutriment in a fertilizer are not crushed to median size reach 2mm;
2) blending: will pulverize the fertile and wilkinite proportional mixing of urea, potassium sulphate fertilizer and ferrous sulfate, and add an amount of water again, and mix through stirrer;
3) granulation: the material that mixes is carried out granulation with rotary drum granulator under 55-65 ℃ temperature, particle diameter is 1.5-3.5mm;
4) oven dry: the grain that will make is dried with dryer, and the dryer air inlet temperature is 150-200 ℃, and the air outlet is 50-60 ℃, dries to the particulate water cut to be less than or equal to 2 weight %;
5) cooling: the fertiliser granulates after will drying advances cooling tank and is cooled to normal temperature;
6) warehouse-in: sieve out the particle metering back that meets the product cut size requirement with sizing screen and pack warehouse-in storage then;
Effective fertile N, K in compound the topdressing that obtains at last
2The total amount of O and Fe is more than or equal to 42 weight %; Its activeconstituents N: K
2O ≈ 2: 1.
2. as claimed in claim 1ly be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings, wherein in the urea part by weight of nitrogen more than or equal to 46%.
According to claim 1 or claim 2 be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings, wherein K in the potassium sulphate fertilizer
2The part by weight of O is more than or equal to 50%.
According to claim 1 or claim 2 be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings, wherein the iron in the ferrous sulfate fertilizer is more than or equal to 20%.
According to claim 1 or claim 2 be suitable for compound the topdressing of sweet sorghum special inorganic that use in the saltings, wherein do not contain potassium in the wilkinite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118838A CN101468929B (en) | 2008-08-25 | 2008-08-25 | Special inorganic composite topdressing fertilizer for sweet sorghum in alkaline land and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118838A CN101468929B (en) | 2008-08-25 | 2008-08-25 | Special inorganic composite topdressing fertilizer for sweet sorghum in alkaline land and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101468929A CN101468929A (en) | 2009-07-01 |
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| CN105613406B (en) * | 2014-11-19 | 2019-01-04 | 衢州蘑菇网络科技有限公司 | A kind of fertilizer apparatus of water nutrition special efficacy fertilizer |
| CN105272718A (en) * | 2015-09-21 | 2016-01-27 | 潍坊友容实业有限公司 | Saline land dedicated improvement sprinkle fertilizer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250042A (en) * | 1999-10-23 | 2000-04-12 | 石少锋 | Mixed fertilizer compounding method |
| CN1303841A (en) * | 1999-11-26 | 2001-07-18 | 胡新寿 | Complex fertilizer with drought-resisting and water-resisting function |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250042A (en) * | 1999-10-23 | 2000-04-12 | 石少锋 | Mixed fertilizer compounding method |
| CN1303841A (en) * | 1999-11-26 | 2001-07-18 | 胡新寿 | Complex fertilizer with drought-resisting and water-resisting function |
Non-Patent Citations (2)
| Title |
|---|
| 王新国.甜高粱高产优质栽培技术.《科学种养》.2007,(第9期),17-18. * |
| 秦晓玲.甜高粱丰产栽培技术.《内蒙古农业科技》.2002,(第S1期),73-74. * |
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Denomination of invention: Special inorganic composite topdressing fertilizer for sweet sorghum in alkaline land and preparation thereof Effective date of registration: 20150303 Granted publication date: 20120905 Pledgee: XinDa Investment Limited Pledgor: Beijing Jiabowen Bioscience Co., Ltd. Registration number: 2015990000164 |
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Denomination of invention: Special inorganic composite topdressing fertilizer for sweet sorghum in alkaline land and preparation thereof Effective date of registration: 20170322 Granted publication date: 20120905 Pledgee: Shenzhen Jia Cheng Cheng Cheng equity investment fund (limited partnership) Pledgor: Beijing Jiabowen Bioscience Co., Ltd. Registration number: 2017990000226 |
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