CN107646277A - It is a kind of effectively to reduce vega N2The fertilizing method of O discharges - Google Patents
It is a kind of effectively to reduce vega N2The fertilizing method of O discharges Download PDFInfo
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- CN107646277A CN107646277A CN201711150784.6A CN201711150784A CN107646277A CN 107646277 A CN107646277 A CN 107646277A CN 201711150784 A CN201711150784 A CN 201711150784A CN 107646277 A CN107646277 A CN 107646277A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000003337 fertilizer Substances 0.000 claims abstract description 102
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 88
- 241000208125 Nicotiana Species 0.000 claims abstract description 87
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 36
- 210000003608 fece Anatomy 0.000 claims abstract description 20
- 239000010871 livestock manure Substances 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims description 28
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 26
- 239000000126 substance Substances 0.000 claims description 21
- 239000002689 soil Substances 0.000 claims description 17
- 235000010333 potassium nitrate Nutrition 0.000 claims description 13
- 239000004323 potassium nitrate Substances 0.000 claims description 13
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 claims 1
- 235000011151 potassium sulphates Nutrition 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 239000002028 Biomass Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 235000015097 nutrients Nutrition 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 42
- 150000001875 compounds Chemical class 0.000 description 13
- 238000012545 processing Methods 0.000 description 12
- 230000004720 fertilization Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 241000272525 Anas platyrhynchos Species 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000000618 nitrogen fertilizer Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000000509 infertility Diseases 0.000 description 2
- 230000036512 infertility Effects 0.000 description 2
- 231100000535 infertility Toxicity 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Transplanting Machines (AREA)
- Fertilizing (AREA)
- Fertilizers (AREA)
Abstract
Vega N is effectively reduced the invention discloses a kind of2The fertilizing method of O discharges, described fertilizing method include：（1）Deep layer ring basal dressing；（2）Apply and carry seed manure；（3）Ring spraying fertilizer；（4）Apply balance fertilizer.The present invention can effectively improve nitrogen of flue-cured tobacco utilization rate, substantially reduce vega N2O discharge capacitys, promote absorption of the flue-cured tobacco to nutrient, increase cigarette strain biomass, be advantageous to improve yield of tobacco and quality, improve tobacco leaf economic benefit, can also reduce environmental risk caused by nutrient residual.
Description
Technical field
The invention belongs to flue-cured tobacco cultivation technology and ecological environmental protection field, and in particular to a kind of effectively to reduce vega N2O
The fertilizing method of discharge.
Background technology
Nitrous oxide（N2O）It is to be only second to CO2And CH4Important greenhouse gases, the increase of its concentration not only exacerbates
Global Greenhouse Effect, and cause the destruction of ozone layer and ground ultraviolet radiation to strengthen.Agricultural is air N2O is most important
Emission source, discharge capacity account for the 80% of anthropogenic discharge's total amount.Agriculture N2O discharges mostly come from soil, and a large amount of of nitrogenous fertilizer apply then
It is that agricultural land soil turns into air N2The main reason for the first big artificial sources of O.According to investigations, global range internal cause applies chemical nitrogen fertilizer
（Urea, nitrate fertilizer etc.）Caused agricultural soil directly discharges N2O is up to 36%.
To reduce the above-mentioned agricultural land soil N caused by fertilising2O is largely discharged, and related scholar is in terms of fertilizer practice optimization
A series of researchs are carried out, by optimizing fertilizer amount, changing fertilizer type and adjusting the fertilizer practices such as fertilizer application mode
Optimize and revise, farmland N can be reduced to a certain extent2O is discharged.In actual agricultural production, the fertilizer amount and fertilizer of crop
Expect that species is often set.Therefore, adjusting and optimizing fertilizer application mode is farmland N2O emission reductions relatively feasible approach and hand
Section.
According to statistics, Yunnan in 2017 possesses 6,090,000 mu of vega, for the maximum tobacco leaf producing region in the whole nation.In recent years, Yunnan Tobacco Planting Area
Fertile amount of application is 105kgN/hm2Left and right, part cigarette district are up to 135kgN/hm2.Long-term substantial amounts of chemical fertilizer input causes nitrogenous fertilizer to use
Amount exceedes Tobacco Absorbing amount, not only causes vega N2O a large amount of discharges, while also result in the hardened acidifying of tobacco-growing soil, C/N
Reduced than reduction, the microbial activities energy, finally have impact on yield of tobacco and quality.Therefore, in tobacco agriculture production, optimization
Fertilization mode is adjusted, to improve utilization rate of fertilizer and reduce N2O discharges are imperative.
The content of the invention
Vega N is effectively reduced it is an object of the invention to provide a kind of2The fertilizing method of O discharges, this method can be effective
Reduce vega N2O discharge capacitys, and the yield and quality of tobacco leaf is not influenceed.
The object of the present invention is achieved like this, comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, on the day of tobacco seedlings transplanting, before tobacco seedlings transplanting, by 50% ~ 70% composite fertilizer
And/or Chemical Mixed Fertilizer makees base manure, the point on the basis of Yan Tang centers, using 10 ~ 15cm as radius, fertilising groove, 4 ~ 6cm of groove depth, base are excavated
Fertilizer applies rear earthing；
（2）Apply and carry seed manure：7 ~ 10 days after transplanting tobacco seedlings, by 1 ~ 3kg/667m of potassium nitrate2It is watered 200 ~ 600kg/ 667m2 Pour and apply；
（3）Ring spraying fertilizer：30~35 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by 25% ~ 40% composite fertilizer and/or
Chemical Mixed Fertilizer, using 10 ~ 15cm as radius, uniformly it is spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：40~45 days after tobacco seedlings transplanting, a hole is made a call in ridge face at from 15 ~ 20cm of cigarette strain, by remaining 5% ~
10% composite fertilizer and/or Chemical Mixed Fertilizer, apply hole in simultaneously blinding.
Compared with prior art, the invention has the advantages that：
1st, the input of method of application, effectively reduction chemical fertilizer that the present invention passes through adjusting and optimizing fertilizer, while can also be by flue-cured tobacco nitrogen
Plain utilization rate improves 50% or so, significantly reduces vega N2O is discharged.
2nd, fertilizing method of the invention effectively enters absorption of the flue-cured tobacco to nutrient, increases cigarette strain biomass, is advantageous to improve cigarette
Leaf-making quantity and quality, tobacco leaf economic benefit is improved, can also reduce environmental risk caused by nutrient residual.
3rd, 50% ~ 70% fertilizer of base manure of the invention（Compound/Hefei）, applied in a manner of deep layer ring is applied, top dressing is with 25%
~ 40% fertilizer（Compound/Hefei）, applied in a manner of ring is applied, 5% ~ 10% fertilizer of balance fertilizer（Compound/Hefei）, in a manner of spreading manuer in holes
Apply, base manure deep layer ring, which is applied to apply with top dressing ring, to be advantageous to cigarette strain root system and equably grow, be advantageous to cigarette strain to fertilizer
Fully absorb and utilize and reduce the nitrogen residue in soil, and then promote the accumulation of cigarette strain dry and reduce because soil nitrogen is residual
N caused by staying2O is largely discharged.Balance fertilizer, which is spreaded manuer in holes, further to promote cigarette strain to fill fertilizer while balanced tobacco plant nutrition
Divide and absorb.
4th, the present invention effectively reduces vega N2O discharge, while avoid the hardened acidifying of tobacco-growing soil, C/N than reducing,
The problem of microbial activities energy reduces, effectively improves yield of tobacco and quality.
Embodiment
With reference to embodiment, the present invention is further illustrated, but the present invention is not any limitation as in any way,
Based on present invention teach that any conversion or replacement made, belong to protection scope of the present invention.
It is of the present invention effectively to reduce vega N2The fertilizing method of O discharges, comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, on the day of tobacco seedlings transplanting, before tobacco seedlings transplanting, by 50% ~ 70% composite fertilizer
And/or Chemical Mixed Fertilizer makees base manure, the point on the basis of Yan Tang centers, using 10 ~ 15cm as radius, fertilising groove, 4 ~ 6cm of groove depth, base are excavated
Fertilizer applies rear earthing；
（2）Apply and carry seed manure：7 ~ 10 days after transplanting tobacco seedlings, by 1 ~ 3kg/667m of potassium nitrate2It is watered 200 ~ 600kg/ 667m2 Pour and apply；
（3）Ring spraying fertilizer：30~35 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by 25% ~ 40% composite fertilizer and/or
Chemical Mixed Fertilizer, using 10 ~ 15cm as radius, uniformly it is spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：40~45 days after tobacco seedlings transplanting, a hole is made a call in ridge face at from 15 ~ 20cm of cigarette strain, by remaining 5% ~
10% composite fertilizer and/or Chemical Mixed Fertilizer, apply hole in simultaneously blinding.
Described composite fertilizer and/or the dose of Chemical Mixed Fertilizer are 60~105 kg N/hm2。
The N of described composite fertilizer:P2O5:K2O=14:14:17。
The N of described composite fertilizer:P2O5:K2O=8:12:24。
Step（1）Described in the groove depth of fertilising groove be 5cm.
Step（2）Described in by potassium nitrate 3kg/667m2It is watered 400kg/ 667m2 Pour and apply.
The K of described potassium sulfate2O content >=50%.
Irrigated after described deep layer ring basal dressing so that 30cm depth soil moisture contents reach 50% ~ 65%WFPS.
Embodiment 1
It is a kind of effectively to reduce vega N2The fertilizing method of O discharges, comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, the same day before cigarette strain transplanting, by 50% composite fertilizer（N:P2O5:K2O=14:14:
17）Make base manure, the point on the basis of Yan Tang centers, using 10cm as radius, excavate fertilising groove, groove depth about 5cm, base manure covers after applying
Soil；
（2）Apply and carry seed manure：7 days after transplanting tobacco seedlings, by potassium nitrate 1kg/667m2It is watered 200kg/ 667m2 Pour and apply；
（3）Ring spraying fertilizer：30 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by remaining 40% composite fertilizer（N:P2O5:K2O=
14:14:17）, using 10cm as radius, uniformly it is spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：40 days after tobacco seedlings transplanting, a duck eye is made a call in ridge face at from cigarette strain 15cm, by remaining 5% composite fertilizer（N:
P2O5:K2O=14:14:17）, apply hole in simultaneously blinding.
Embodiment 2
It is a kind of effectively to reduce vega N2The fertilizing method of O discharges, comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, on the day of tobacco seedlings transplanting, before tobacco seedlings transplanting, 70% Chemical Mixed Fertilizer is made into base
Fertilizer, the point on the basis of Yan Tang centers, using 15cm as radius, fertilising groove, groove depth 6cm are excavated, base manure applies rear earthing；Then carry out
Irrigate so that 30cm depth soil moisture contents reach 50%WFPS；
（2）Apply and carry seed manure：10 days after transplanting tobacco seedlings, by potassium nitrate（K2O content >=50%）3kg/667m2It is watered 600kg/ 667m2
Pour and apply；
（3）Ring spraying fertilizer：35 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by 25% Chemical Mixed Fertilizer, using 15cm as radius,
Uniformly it is spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：45 days after tobacco seedlings transplanting, a hole is made a call in ridge face at from cigarette strain 20cm, by remaining 5% Chemical Mixed Fertilizer,
Apply hole in simultaneously blinding.
The dose of described Chemical Mixed Fertilizer is 60 kg N/hm2。
Embodiment 3
It is a kind of effectively to reduce vega N2The fertilizing method of O discharges, comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, on the day of tobacco seedlings transplanting, before tobacco seedlings transplanting, 60% composite fertilizer is made into base
Fertilizer, the point on the basis of Yan Tang centers, using 12cm as radius, fertilising groove, groove depth 5cm are excavated, base manure applies rear earthing；Then carry out
Irrigate so that 30cm depth soil moisture contents reach 65%WFPS；
（2）Apply and carry seed manure：8 days after transplanting tobacco seedlings, by potassium nitrate（K2O content >=50%）2kg/667m2It is watered 400kg/ 667m2
Pour and apply；
（3）Ring spraying fertilizer：32 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by 30% composite fertilizer and/or Chemical Mixed Fertilizer, with
10 ~ 15cm is radius, is uniformly spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：42 days after tobacco seedlings transplanting, a hole is made a call in ridge face at from cigarette strain 16cm, by remaining 10% composite fertilizer
And/or Chemical Mixed Fertilizer, apply hole in simultaneously blinding.
The dose of described composite fertilizer is 105 kg N/hm2.The N of described composite fertilizer:P2O5:K2O=8:12:24。
Embodiment 4
It is a kind of effectively to reduce vega N2The fertilizing method of O discharges, comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, on the day of tobacco seedlings transplanting, before tobacco seedlings transplanting, 65% composite fertilizer is made into base
Fertilizer, the point on the basis of Yan Tang centers, using 14cm as radius, fertilising groove, groove depth 5.5cm are excavated, base manure applies rear earthing；Then enter
Row is irrigated so that 30cm depth soil moisture contents reach 60%WFPS；
（2）Apply and carry seed manure：9 days after transplanting tobacco seedlings, by potassium nitrate（K2O content >=50%）2.5kg/667m2It is watered 400kg/
667m2 Pour and apply；
（3）Ring spraying fertilizer：34 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by 27% composite fertilizer, using 10 ~ 15cm for partly
Footpath, uniformly it is spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：44 days after tobacco seedlings transplanting, a hole is made a call in ridge face at from cigarette strain 18cm, by remaining 8% composite fertilizer,
Apply hole in simultaneously blinding.
Described composite fertilizer and/or the dose of Chemical Mixed Fertilizer are 80 kg N/hm2.The N of described composite fertilizer:P2O5:K2O=
14:14:17。
Embodiment 5
Yunnan Yuxi mountain region vega N2The fertilizing method effect test of O emission reductions：Test site is located at Yunnan Province Yuxi Yan He towns,
Flue-cured tobacco cultivars are K326, set 3 processing altogether, each handle 3 repetitions, plot area 90m2, random alignment：
Processing（1）：Do not apply fertilizer, as control：Fertilizer is not applied in the cigarette strain time of infertility, other cultivation steps routinely enter
OK；
Processing（2）：Tobacco grower's habits fertilization mode：After vega ridging, the same day before cigarette strain transplanting, by Special compound fertilizer for tobacco
25kg/667m2（N:P2O5:K2O=14:14:17）It is placed in the middle part of the cigarette pool and is fully mixed thoroughly with pool soil, then plants cigarette；7 after transplanting tobacco seedlings
My god, by potassium nitrate 3kg/667m2It is watered 400kg/ 667m2 Pour and apply；35 days after tobacco seedlings transplanting, ridge face is beaten at from cigarette strain 20cm
One duck eye, by Special compound fertilizer for tobacco 10.8kg/667m2（N:P2O5:K2O=14:14:17）Apply hole in simultaneously blinding.
Processing（3）：The fertilization mode of the present invention：After vega ridging, the same day before cigarette strain transplanting, by Special compound fertilizer for tobacco
25kg/667m2（N:P2O5:K2O=14:14:17）, the point on the basis of Yan Tang centers, using 15cm as radius, excavate fertilising groove, groove
Deep about 5cm, base manure apply rear earthing；7 days after transplanting tobacco seedlings, by potassium nitrate 3kg/667m2It is watered 400kg/ 667m2 Pour and apply；Cigarette
35 days after transplantation of seedlings, the point on the basis of Yan Tang centers, by Special compound fertilizer for tobacco 9kg/667m2（N:P2O5:K2O=14:14:
17）, using 15cm as radius, uniformly it is spread on native face ring and applies rear earthing；45 days after tobacco seedlings transplanting, ridge face is beaten at from cigarette strain 20cm
One duck eye, by Special compound fertilizer for tobacco 1.8kg/667m2（N:P2O5:K2O=14:14:17）, apply hole in simultaneously blinding.
The N of each cell soil2O discharge capacitys are determined using closed chamber method, and static chamber is cylindrical, basal diameter 0.3m,
The high 0.5m of case.Each basin alms bowl upper strata is connected to sampling box base, adds water injection base to seal during sampling.3d adopts a sample, during sampling
Between be the morning 9：00~11：00.Each sampled point adopts 4 samples every time, and 15 min of interval adopt 1 sample.Temperature is determined while sampling
And box temperature.With the gas-chromatography with ECD detectors（Shimadzu GC-12B）Determination sample N2O concentration, 65 DEG C of column temperature, detector temperature
For 300 DEG C.According to N2O concentration calculates N with time curve2O emission fluxs.The whole strain sampling of flue-cured tobacco maturity period, determines biomass
With cigarette strain N element utilization rates.Different disposal is to vega N2The influence of O discharges, cigarette strain biomass and N element utilization rates is shown in Table 1.
The present embodiment of table 1 respectively handles flue-cured tobacco season vega N2O discharges, flue-cured tobacco biomass and N element utilization rates
As can be seen from Table 1, with tobacco grower's habits fertilization mode（Processing 2）Compare, fertilization mode of the invention（Processing 3）Flue-cured tobacco season
Vega N2O average emissions flux and total emission volumn reduce by 51.0% and 51.6% respectively, and cigarette strain biomass and N element utilization rates carry respectively
High 35.7% and 45.9%.It can be seen that fertilization mode of the invention effectively increases nitrogen of flue-cured tobacco utilization rate, vega is significantly reduced
N2O is discharged.Be advantageous to raising and the increase tobacco leaf economic benefit of yield of tobacco simultaneously.
Embodiment 6
Yunnan E Shanxian vegas N2The fertilizing method effect test of O emission reductions：Test site is located at Yunnan Province E Shanxian side streets town, bakes
Tobacco kind is cloud and mist 87, sets 3 processing altogether, each handles 3 repetitions, plot area 110m2, random alignment：
Processing（1）：Do not apply fertilizer, as control：Fertilizer is not applied in the cigarette strain time of infertility, other cultivation steps routinely enter
OK；
Processing（2）：Tobacco grower's habits fertilization mode：After vega ridging, the same day before cigarette strain transplanting, by tobacco compound fertilizer special
40kg/667m2（N:P2O5:K2O=8:12:24）It is placed in the middle part of the cigarette pool and is fully mixed thoroughly with pool soil, then plants cigarette；7 after transplanting tobacco seedlings
My god, by potassium nitrate 2kg/667m2It is watered 400kg/ 667m2 Pour and apply；30 days after tobacco seedlings transplanting, ridge face is beaten at from cigarette strain 20cm
One duck eye, by tobacco compound fertilizer special 35kg/667m2（N:P2O5:K2O=8:12:24）Apply hole in simultaneously blinding.
Processing（3）：The fertilization mode of the present invention：After vega ridging, the same day before cigarette strain transplanting, by Special compound fertilizer for tobacco
40kg/667m2（N:P2O5:K2O=8:12:24）, the point on the basis of Yan Tang centers, using 15cm as radius, excavate fertilising groove, groove depth
About 5cm, base manure apply rear earthing；7 days after transplanting tobacco seedlings, by potassium nitrate 2kg/667m2It is watered 400kg/ 667m2 Pour and apply；Tobacco seedlings
30 days after transplanting, the point on the basis of Yan Tang centers, by tobacco compound fertilizer special 30kg/667m2（N:P2O5:K2O=8:12:24）,
Using 15cm as radius, uniformly it is spread on native face ring and applies rear earthing；45 days after tobacco seedlings transplanting, it is small to make a call to one for ridge face at from cigarette strain 20cm
Hole, by Special compound fertilizer for tobacco 5kg/667m2（N:P2O5:K2O=8:12:24）, apply hole in simultaneously blinding.
N is determined using the method for embodiment 52O discharges, flue-cured tobacco biomass and N element utilization rates.Respectively handle to vega N2O is arranged
Put, the influence of cigarette strain biomass and N element utilization rates is shown in Table 2.
The present embodiment of table 2 respectively handles flue-cured tobacco season vega N2O discharges, flue-cured tobacco biomass and N element utilization rates
As can be seen from Table 2, with tobacco grower's habits fertilization mode（Processing 2）Compare, fertilization mode of the invention（Processing 3）Flue-cured tobacco season
Vega N2O average emissions flux and total emission volumn reduce by 33.4% and 35.7% respectively, and cigarette strain biomass and N element utilization rates carry respectively
High 50.3% and 32.7%.Likewise, the fertilization mode of the present invention effectively increases nitrogen of flue-cured tobacco utilization rate, vega is significantly reduced
N2O is discharged.And be advantageous to raising and the increase tobacco leaf economic benefit of yield of tobacco.
Claims (8)
1. a kind of effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that described fertilizing method comprises the following steps：
（1）Deep layer ring basal dressing：After vega ridging, on the day of tobacco seedlings transplanting, before tobacco seedlings transplanting, by 50% ~ 70% composite fertilizer
And/or Chemical Mixed Fertilizer makees base manure, the point on the basis of Yan Tang centers, using 10 ~ 15cm as radius, fertilising groove, 4 ~ 6cm of groove depth, base are excavated
Fertilizer applies rear earthing；
（2）Apply and carry seed manure：7 ~ 10 days after transplanting tobacco seedlings, by 1 ~ 3kg/667m of potassium nitrate2It is watered 200 ~ 600kg/ 667m2 Pour and apply；
（3）Ring spraying fertilizer：30~35 days after tobacco seedlings transplanting, the point on the basis of Yan Tang centers, by 25% ~ 40% composite fertilizer and/or
Chemical Mixed Fertilizer, using 10 ~ 15cm as radius, uniformly it is spread on native face ring and applies rear earthing；
（4）Apply balance fertilizer：40~45 days after tobacco seedlings transplanting, a hole is made a call in ridge face at from 15 ~ 20cm of cigarette strain, by remaining 5% ~
10% composite fertilizer and/or Chemical Mixed Fertilizer, apply hole in simultaneously blinding.
2. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that described composite fertilizer
And/or the dose of Chemical Mixed Fertilizer is 60~105 kg N/hm2。
3. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that described composite fertilizer
N:P2O5:K2O=14:14:17。
4. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that described composite fertilizer
N:P2O5:K2O=8:12:24。
5. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that step（1）Described in
The groove depth of fertilising groove be 5cm.
6. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that step（2）Described in
By potassium nitrate 3kg/667m2It is watered 400kg/ 667m2 Pour and apply.
7. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that described potassium sulfate
K2O content >=50%.
8. according to claim 1 effectively reduce vega N2The fertilizing method of O discharges, it is characterised in that described deep layer ring
Irrigated after basal dressing so that 30cm depth soil moisture contents reach 50% ~ 65%WFPS.
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| CN201711150784.6A CN107646277B (en) | 2017-11-18 | 2017-11-18 | Effectively reduce tobacco field N2Fertilizing method for O emission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711150784.6A CN107646277B (en) | 2017-11-18 | 2017-11-18 | Effectively reduce tobacco field N2Fertilizing method for O emission |
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| CN107646277A true CN107646277A (en) | 2018-02-02 |
| CN107646277B CN107646277B (en) | 2020-11-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470653A (en) * | 2020-12-09 | 2021-03-12 | 云南省烟草农业科学研究院 | Reduce and drip irrigation tobacco field N2Water and fertilizer integration method for O discharge |
| CN114080969A (en) * | 2021-10-25 | 2022-02-25 | 云南省烟草农业科学研究院 | Effectively reduce N in flue-cured tobacco cultivation soil2Method for O emission |
| CN117586065A (en) * | 2023-11-27 | 2024-02-23 | 云南省烟草农业科学研究院 | An organic fertilizer that reduces greenhouse gas emissions during flue-cured tobacco cultivation and its application |
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| CN117586065A (en) * | 2023-11-27 | 2024-02-23 | 云南省烟草农业科学研究院 | An organic fertilizer that reduces greenhouse gas emissions during flue-cured tobacco cultivation and its application |
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