Abstract
【Objective】Zinc absorption and accumulation of maize in sandy soil through soil application and foliar spray of Zinc fertilizer was investigated to better regulate the nutritional status of Zinc and improve the Zinc concentration in maize grains.【Method】Field experiments in sandy soil were conducted in Jilin in 2011to study the effects of Zn fertilizer(7treatments:soil application(0kg/hm2(S0),3.4kg/hm2(S3.4),6.8kg/hm2(S6.8),10.2kg/hm2(S10.2))and foliar spray(3 mg/g ZnSO4,0kg/hm2(F0),2.25 kg/hm2(F)))on plants of maize during different growth periods,Zinc concentration in grains,grains yield, aboveground biomass,Zn utilization efficiency,Zn total absorption amount and Zn absorption rate.【Result】 Zinc concentrations in maize plants increased as the increase of Zn amount by soil application and foliar spray.During the seedling stage,Zn concentrations increased by 2.7-8.5times compared with S0 F0,while other growth periods had less increase rates.Compared to S0 F0 treatment,treatments S3.4 F0,S6.8 F0,and S10.2 F0 increased maize yield by 9.7%-37.7%,increased aboveground biomass by 6.2%-20.4%and increased Zinc absorption by 21.5%-81.9%.In addition,combination of soil application and foliar spray increased maize yield by 5.5%-17.0%and increased aboveground biomass by 18.5%-30.8%,compared to solo use of soil application or foliar spray.【Conclusion】The foliar spray and soil application of Zn fertilizer significantly increased Zinc concentrations and yield of maize grains.
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Claims 8
Claim · model-written summary
Zn concentration in maize plants increased as the Zn amount rose under soil application and foliar spray.
- Treatment
- soil application and foliar spraye1
- Outcome
- Zinc concentrationse1
- Direction
- increasede1
- Qualifier
- as the increase of Zn amounte1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Zinc concentrations in maize plants increased as the increase of Zn amount by soil application and foliar spray”
Claim · model-written summary
At the seedling stage, Zn concentration in maize increased 2.7 to 8.5 times relative to the S0 F0 control.
- Organ / stage
- seedling stagee2
- Treatment
- soil application and foliar spraye1
- Outcome
- Zn concentrationse2
- Direction
- increasede2
- Value
- 2.7-8.5timese2
- Comparator
- S0 F0e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Zinc concentrations in maize plants increased as the increase of Zn amount by soil application and foliar spray”
e2“During the seedling stage,Zn concentrations increased by 2.7-8.5times compared with S0 F0”
Claim · model-written summary
Soil-applied Zn at S3.4, S6.8 and S10.2 increased maize yield by 9.7% to 37.7% relative to S0 F0.
- Treatment
- S3.4 F0,S6.8 F0,and S10.2 F0e3
- Outcome
- maize yielde3
- Direction
- increasede3
- Value
- 9.7%-37.7%e3
- Comparator
- S0 F0e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Compared to S0 F0 treatment,treatments S3.4 F0,S6.8 F0,and S10.2 F0 increased maize yield by 9.7%-37.7%,increased aboveground biomass by 6.2%-20.4%and increased Zinc absorption by 21.5%-81.9%”
Claim · model-written summary
Soil-applied Zn at S3.4, S6.8 and S10.2 increased maize aboveground biomass by 6.2% to 20.4% relative to S0 F0.
- Treatment
- S3.4 F0,S6.8 F0,and S10.2 F0e3
- Outcome
- aboveground biomasse3
- Direction
- increasede3
- Value
- 6.2%-20.4%e3
- Comparator
- S0 F0e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Compared to S0 F0 treatment,treatments S3.4 F0,S6.8 F0,and S10.2 F0 increased maize yield by 9.7%-37.7%,increased aboveground biomass by 6.2%-20.4%and increased Zinc absorption by 21.5%-81.9%”
Claim · model-written summary
Soil-applied Zn at S3.4, S6.8 and S10.2 increased Zn absorption by 21.5% to 81.9% relative to S0 F0.
- Treatment
- S3.4 F0,S6.8 F0,and S10.2 F0e3
- Outcome
- Zinc absorptione3
- Direction
- increasede3
- Value
- 21.5%-81.9%e3
- Comparator
- S0 F0e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Compared to S0 F0 treatment,treatments S3.4 F0,S6.8 F0,and S10.2 F0 increased maize yield by 9.7%-37.7%,increased aboveground biomass by 6.2%-20.4%and increased Zinc absorption by 21.5%-81.9%”
Claim · model-written summary
Combined soil and foliar Zn increased maize yield by 5.5% to 17.0% compared with either application alone.
- Treatment
- combination of soil application and foliar spraye4
- Outcome
- maize yielde4
- Direction
- increasede4
- Value
- 5.5%-17.0%e4
- Comparator
- solo use of soil application or foliar spraye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“combination of soil application and foliar spray increased maize yield by 5.5%-17.0%and increased aboveground biomass by 18.5%-30.8%,compared to solo use of soil application or foliar spray”
Claim · model-written summary
Combined soil and foliar Zn increased maize aboveground biomass by 18.5% to 30.8% compared with either application alone.
- Treatment
- combination of soil application and foliar spraye4
- Outcome
- aboveground biomasse4
- Direction
- increasede4
- Value
- 18.5%-30.8%e4
- Comparator
- solo use of soil application or foliar spraye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“combination of soil application and foliar spray increased maize yield by 5.5%-17.0%and increased aboveground biomass by 18.5%-30.8%,compared to solo use of soil application or foliar spray”
Claim · model-written summary
Foliar and soil Zn fertilizer application significantly increased maize Zn concentration and grain yield.
- Treatment
- foliar spray and soil application of Zn fertilizere5
- Outcome
- Zinc concentrations and yield of maize grainse5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The foliar spray and soil application of Zn fertilizer significantly increased Zinc concentrations and yield of maize grains”
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