Abstract
The basis of the study was a three-year long field experiment, carried out on degraded Phaeozems, IIIb soil valuation class, with neutral pH and low richness in assimilable sulphur. Winter rapeseed cultivar Star was grown. The experiment was set up as a split-block design with two factors (n = 2): the first factor was nitrogen dose (in kg·ha-1: 0, 60, 120, and 180), and the second factor was sulphur dose (in kg·ha-1: 0, 20, and 60). An additional study aspect was diversification of methods and dates of sulphur application (pre-sowing: in-soil and top-dressing: as foliar fertilizer). For plants unfertilized with sulphur, dose of 120 kg N·ha-1 was the most effective in regards to yield-formation, and for plants unfertilized with nitrogen, dose of 20 kg S·ha-1. In-soil application of sulphur made it possible to obtain higher grain and protein yield than its foliar application. Including sulphur in nitrogen fertilization made it possible to obtain significantly higher yield of spring rapeseed grain, and also protein content and yield, in particular in the conditions of in-soil sulphur application.
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Claims 5
Claim · model-written summary
Without sulphur, 120 kg N·ha-1 was most effective for yield formation.
- Taxon
- spring rapeseedt0
- Treatment
- 120 kg N·ha-1e0
- Outcome
- yield-formatione0
- Direction
- most effectivee0
- Qualifier
- unfertilized with sulphure0
Not reportedComparator
Verbatim
t0“spring rapeseed”
e0“For plants unfertilized with sulphur, dose of 120 kg N·ha-1 was the most effective in regards to yield-formation”
Claim · model-written summary
Without nitrogen, 20 kg S·ha-1 was most effective for yield formation.
- Taxon
- spring rapeseedt0
- Treatment
- 20 kg S·ha-1e0
- Outcome
- dose of 20 kg S·ha-1e0
- Qualifier
- unfertilized with nitrogene0
Not reportedComparatorDirection
Verbatim
t0“spring rapeseed”
e0“for plants unfertilized with nitrogen, dose of 20 kg S·ha-1”
Claim · model-written summary
In-soil sulphur application increased grain and protein yield relative to foliar application.
Verbatim
t0“spring rapeseed”
e0“In-soil application of sulphur made it possible to obtain higher grain and protein yield than its foliar application”
Claim · model-written summary
Adding sulphur to nitrogen fertilization significantly increased rapeseed grain yield.
- Taxon
- spring rapeseede0
- Treatment
- Including sulphur in nitrogen fertilizatione0
- Outcome
- yield of spring rapeseed graine0
- Direction
- highere0
Not reportedComparator
Verbatim
t0“spring rapeseed”
e0“Including sulphur in nitrogen fertilization made it possible to obtain significantly higher yield of spring rapeseed grain”
Claim · model-written summary
Adding sulphur to nitrogen fertilization significantly increased protein content and yield, especially with in-soil application.
Not reportedComparatorDirection
Verbatim
t0“spring rapeseed”
e0“and also protein content and yield, in particular in the conditions of in-soil sulphur application”
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See all 378 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.