Abstract
SUMMARY Six field experiments were carried out in eastern England between 2003 and 2005 to test the effect of sulphur (S) fertilizer on the yield of sugar beet ( Beta vulgaris L.). The experiments were undertaken at sites where there had previously been a positive response to S in other crops or where no S-containing materials had been applied for more than 20 years. No individual experiment produced a significant positive response to S application, but the treatments that received no S fertilizer produced the smallest yield in five of the six experiments. Analysis across years using restricted maximum likelihood (REML) procedures showed that there was a positive and significant sugar yield response in beet of 0·56 t/ha where positive responses had previously been recorded in other crops grown on these loamy sand soils. Beet crops grown in soils of this type should receive S fertilizer that can be applied conveniently as sufficient ammonium sulphate to supply the first dressing of N.
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Claims 4
Claim · model-written summary
No individual sulphur experiment produced a significant positive sugar beet yield response to S application.
- Taxon
- sugar beet
Beta vulgaris subsp. vulgarise0 - Treatment
- S applicatione1
- Outcome
- positive responsee1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six field experiments were carried out in eastern England between 2003 and 2005 to test the effect of sulphur (S) fertilizer on the yield of sugar beet”
e1“No individual experiment produced a significant positive response to S application, but the treatments that received no S fertilizer produced the smallest yield in five of the six experiments”
Claim · model-written summary
Treatments with no S fertilizer produced the smallest sugar beet yield in five of the six experiments.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- no S fertilizere1
- Outcome
- yielde1
- Direction
- smalleste1
- Setting
- eastern Englande0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six field experiments were carried out in eastern England between 2003 and 2005 to test the effect of sulphur (S) fertilizer on the yield of sugar beet”
e1“No individual experiment produced a significant positive response to S application, but the treatments that received no S fertilizer produced the smallest yield in five of the six experiments”
Claim · model-written summary
Sulphur fertilizer increased sugar beet sugar yield by 0.56 t/ha on loamy sand soils with previous positive responses to S.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- sulphur (S) fertilizere0
- Outcome
- sugar yield responsee2
- Direction
- increaseinferrede2
- Value
- 0·56 t/hae2
- Qualifier
- where positive responses had previously been recorded in other cropse2
- Setting
- eastern Englande0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six field experiments were carried out in eastern England between 2003 and 2005 to test the effect of sulphur (S) fertilizer on the yield of sugar beet”
e2“there was a positive and significant sugar yield response in beet of 0·56 t/ha where positive responses had previously been recorded in other crops grown on these loamy sand soils”
Claim · model-written summary
Sugar beet grown on soils of this type should receive S fertilizer applied as sufficient ammonium sulphate to supply the first dressing of N.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Outcome
- S fertilizer that can be applied conveniently as sufficient ammonium sulphatee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six field experiments were carried out in eastern England between 2003 and 2005 to test the effect of sulphur (S) fertilizer on the yield of sugar beet”
e3“Beet crops grown in soils of this type should receive S fertilizer that can be applied conveniently as sufficient ammonium sulphate to supply the first dressing of N”
The same questions in other papers
sulfur atom · yield · Beta vulgaris (beet)Positive and negative results
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This paper is about lacking the nutrient, so it counts the other way round here.
- positive
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236 papers in the same direction as this paper · 24 in the opposite direction · 6 reporting no difference from an alternative
- no effect
- negative
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See all 267 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.