Abstract
The effect of different fertilizing systems and drought stress during grain development on grain minerals of barley ( Hordeum vulgare L.) was studied in field experiments on a clay-loamy soil during 2007 and 2008 growing seasons. The treatments consisted of three irrigation regimes (main plots) of: Non-stressed (NS, normal irrigation continued until the end of plant physiological maturity), Moderate Stress (MS, irrigation ceased from the beginning of flowering to the beginning of grain filling stage and Severe Stress (SS, irrigation ceased from the beginning of flowering stage up to the end of physiological maturity) along with six fertilizing regimes consisting of no fertilizer application (control) (NF), phosphorous and nitrogen Biofertilizers (BF), 100% Chemical fertilizer (NPK) (CF), Vermicompost (VC) 5 t ha -1 , 50% Chemical fertilizer (NPK)+50% Vermicompost (2.5 t ha -1 ) (CV), and 50% Chemical fertilizer (NPK)+ Biofertilizer (CB), assigned to the sub plots. Drought stress significantly increased grain minerals of N, Zn and Mn by 12, 27, and 7% as compared with control (NS), respectively. Average grain nitrogen concentration in chemical fertilizer (CF) treatment was significantly more than those in the other treatments followed by integrated fertilizing systems (CB and CV). Phosphorous concentration in grains produced in BF fertilizer medium was significantly higher than those in other treatments. Grain Fe and Zn concentrations increased through vermicompost application. However, Mn concentration was higher in grains fertilized with chemical fertilizer. It can be concluded that in barley production under water deficit conditions, grain mineral quality could be improved through integrated fertilizer application.
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Claims 8
Claim · model-written summary
Drought increased barley grain N by 12% versus non-stressed control.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Treatment
- Drought stresse0
- Outcome
- grain minerals of Ne0
- Direction
- increasede0
- Value
- 12e0
- Comparator
- control (NS)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Drought stress significantly increased grain minerals of N, Zn and Mn by 12, 27, and 7% as compared with control (NS), respectively”
t0“BARLEY”
Claim · model-written summary
Drought increased barley grain Zn by 27% versus non-stressed control.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- Drought stresse0
- Outcome
- Zne0
- Direction
- increasede0
- Value
- 27e0
- Comparator
- control (NS)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress significantly increased grain minerals of N, Zn and Mn by 12, 27, and 7% as compared with control (NS), respectively”
t0“BARLEY”
Claim · model-written summary
Drought increased barley grain Mn by 7% versus non-stressed control.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- Drought stresse0
- Outcome
- Mne0
- Direction
- increasede0
- Value
- 7%e0
- Comparator
- control (NS)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress significantly increased grain minerals of N, Zn and Mn by 12, 27, and 7% as compared with control (NS), respectively”
t0“BARLEY”
Claim · model-written summary
Chemical fertilizer produced higher average grain nitrogen concentration than other treatments.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- chemical fertilizer (CF) treatmente0
- Outcome
- Average grain nitrogen concentratione0
- Direction
- moree0
- Comparator
- the other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Average grain nitrogen concentration in chemical fertilizer (CF) treatment was significantly more than those in the other treatments followed by integrated fertilizing systems (CB and CV)”
t0“BARLEY”
Claim · model-written summary
BF fertilizer yielded higher grain phosphorus concentration than other treatments.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- BF fertilizer mediume0
- Outcome
- Phosphorous concentration in grainse0
- Direction
- highere0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphorous concentration in grains produced in BF fertilizer medium was significantly higher than those in other treatments”
t0“BARLEY”
Claim · model-written summary
Vermicompost increased grain Fe and Zn concentrations.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- vermicompost applicatione0
- Outcome
- Grain Fe and Zn concentrationse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain Fe and Zn concentrations increased through vermicompost application”
t0“BARLEY”
Claim · model-written summary
Chemical fertilizer produced higher grain Mn concentration.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- chemical fertilizere0
- Outcome
- Mn concentratione0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mn concentration was higher in grains fertilized with chemical fertilizer”
t0“BARLEY”
Claim · model-written summary
The authors concluded integrated fertilization could improve grain mineral quality under water deficit.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- integrated fertilizer applicatione0
- Outcome
- grain mineral quality could be improved through integrated fertilizer applicatione0
- Qualifier
- under water deficit conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in barley production under water deficit conditions, grain mineral quality could be improved through integrated fertilizer application”
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