Abstract
The research, carried out over 2004-2007, investigated spring barley, Antek cultivar, grown in a strict fi eld experiment.The aim of the present research was to determine the effect of sulfur fertilization on the spring barley grain yield and the most essential yielding components.The fi rst experimental factor represented the sulfur application method (n=2: foliar and soil fertilization), while the second one -by the sulfur form (n=2: ionic and elementary), and the third one -sulfur dose (n=4: in kg Sha -1 : 0, 20, 40 (20+20), 60 (20+20+20)).As demonstrated by the present research, the weather pattern over the vegetation period showed a considerably greater effect on determining spring barley yielding components than the factors considered in the experiment.The differences between the mean values of the number of grains per spike, thousand seed grain and the number of spikes per 1 m 2 in extreme years were much greater than respective differences caused by the sulfur activity.The sulfur application method had a signifi cant effect on the number of grain per spike and thousand grain weight.It was shown that the soil application of sulfur generally enhances the values of those components more than the foliar application.The effect of the sulfur form used was signifi cant only in the case of thousand grain weight; its ionic form made it possible to reach higher values of that component than the elementary form.Of all the factors researched in the fi eld experiment, the spring barley grain yield structure components were most affected by the sulfur dose.The application of sulfur, in general, signifi cantly increased the values of the components researched.Based on the analysis of correlation there was noted the strongest relationship between the spring barley grain yield and the spike density.The second strongest effect on the grain yield was demonstrated by the number of grains per spike.Sulfur fertilization did not change clearly the relationship between the yield and its structure components.
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Claims 10
Claim · model-written summary
Weather affected yield components more than fertilization factors.
- Taxon
- spring barley
.jpg?width=60)
Hordeum vulgaret0 - Outcome
- spring barley yielding componentse0
- Direction
- greater effecte0
- Comparator
- factors considered in the experimente0
- Setting
- vegetation periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the weather pattern over the vegetation period showed a considerably greater effect on determining spring barley yielding components than the factors considered in the experiment.”
t0“SPRING BARLEY”
Claim · model-written summary
Sulfur application method significantly affected grain number per spike and thousand-grain weight.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- sulfur application methode0
- Outcome
- number of grain per spike and thousand grain weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sulfur application method had a signifi cant effect on the number of grain per spike and thousand grain weight.”
t0“SPRING BARLEY”
Claim · model-written summary
Soil sulfur application increased these components over foliar application.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- soil application of sulfure0
- Outcome
- those componentse0
- Direction
- enhancese0
- Comparator
- foliar applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the soil application of sulfur generally enhances the values of those components more than the foliar application.”
t0“SPRING BARLEY”
Claim · model-written summary
Sulfur form significantly affected thousand-grain weight.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- sulfur forme0
- Outcome
- thousand grain weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of the sulfur form used was signifi cant only in the case of thousand grain weight”
t0“SPRING BARLEY”
Claim · model-written summary
Ionic sulfur produced higher thousand-grain weight than elemental sulfur.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- ionic forme0
- Outcome
- that componente0
- Direction
- highere0
- Comparator
- elementary forme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“its ionic form made it possible to reach higher values of that component than the elementary form.”
t0“SPRING BARLEY”
Claim · model-written summary
Sulfur dose most affected the yield structure components.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- sulfur dosee0
- Outcome
- grain yield structure componentse0
- Direction
- most affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the spring barley grain yield structure components were most affected by the sulfur dose.”
t0“SPRING BARLEY”
Claim · model-written summary
Sulfur application significantly increased yield component values.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- application of sulfure0
- Outcome
- components researchede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of sulfur, in general, signifi cantly increased the values of the components researched.”
t0“SPRING BARLEY”
Claim · model-written summary
Spike density was the strongest correlate of barley grain yield.
- Taxon
- spring barleyHordeum vulgaret0
- Organ / stage
- spikee0
- Outcome
- grain yielde0
- Direction
- strongest relationshipe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the strongest relationship between the spring barley grain yield and the spike density.”
t0“SPRING BARLEY”
Claim · model-written summary
Grains per spike had the second strongest relationship with grain yield.
- Taxon
- spring barleyHordeum vulgaret0
- Organ / stage
- spikee0
- Outcome
- grain yielde0
- Direction
- second strongest effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The second strongest effect on the grain yield was demonstrated by the number of grains per spike.”
t0“SPRING BARLEY”
Claim · model-written summary
Sulfur fertilization did not clearly change yield-component relationships.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- Sulfur fertilizatione0
- Outcome
- relationship between the yield and its structure componentse0
- Direction
- did not change clearlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulfur fertilization did not change clearly the relationship between the yield and its structure components.”
t0“SPRING BARLEY”
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