Abstract
The study was carried out in 2013-2015 in the Republic of Mordovia on leached medium deep heavy loam chernozem. In a field experiment the effect of pre-sowing application of mineral nitrogen fertilizers (N60) in combination with dressing-applied (N30) on yield and grain quality of covered varieties of oats (Gorizont, Krechet, Eclipse) was studied. The average yield of spring oat varieties without mineral fertilization varied from 2.58 to 2.84 t/ha. Early application of nitrogen mineral fertilizers under cultivation (N60) contributed to the increase in the seed productivity of spring oat varieties by 0.02-0.49 t/ha (Least Significant Difference LSD 0.5=0.12). The combination of pre-sowing application with dressing-applied nitrogen at the tillering stage (N30) led to increase in grain yield of spring oats by 0.18-0.43 t/ha (LSD 0.5=0.20) as compared to the variant without mineral fertilization. On the average in the experience the test weight of oat grain was 480-573 g/l. Nitrogen application for early-spring cultivation provided the increase of this index by 3-84 g/l (LSD 0.5 =6.5), mineral dressing at tillering stage - by 31-74 g/l (LSD 0.5=6.9) At the same time such parameters as the mass of 1000 grains and the degree of grain uniformity were not influenced by the rates of nitrogen fertilizers. Krechet variety proved to be the best among the cultivars studied. It showed almost as high seed productivity as standard Gorizont variety.
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Claims 9
Claim · model-written summary
Without fertilizer, spring oat yield ranged from 2.58 to 2.84 t/ha.
- Taxon
- spring oat
Avena sativae0 - Treatment
- without mineral fertilizatione0
- Outcome
- average yielde0
- Value
- 2.58 to 2.84 t/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average yield of spring oat varieties without mineral fertilization varied from 2.58 to 2.84 t/ha”
Claim · model-written summary
Early nitrogen increased seed productivity by 0.02-0.49 t/ha.
- Taxon
- spring oatAvena sativae0
- Treatment
- Early application of nitrogen mineral fertilizers under cultivation (N60)e0
- Outcome
- seed productivitye0
- Direction
- increasee0
- Value
- 0.02-0.49 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early application of nitrogen mineral fertilizers under cultivation (N60) contributed to the increase in the seed productivity of spring oat varieties by 0.02-0.49 t/ha”
Claim · model-written summary
Pre-sowing plus tillering nitrogen increased grain yield by 0.18-0.43 t/ha against no fertilizer.
- Taxon
- spring oatsAvena sativae0
- Treatment
- combination of pre-sowing application with dressing-applied nitrogen at the tillering stage (N30)e0
- Outcome
- grain yielde0
- Direction
- increasee0
- Value
- 0.18-0.43 t/hae0
- Comparator
- variant without mineral fertilizatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combination of pre-sowing application with dressing-applied nitrogen at the tillering stage (N30) led to increase in grain yield of spring oats by 0.18-0.43 t/ha (LSD 0.5=0.20) as compared to the variant without mineral fertilization”
Claim · model-written summary
Oat test weight ranged from 480 to 573 g/l.
- Taxon
- oatAvena sativae0
- Outcome
- test weighte0
- Value
- 480-573 g/le0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the test weight of oat grain was 480-573 g/l”
Claim · model-written summary
Early nitrogen increased oat test weight by 3-84 g/l.
- Taxon
- oatAvena sativat0
- Treatment
- Nitrogen application for early-spring cultivatione0
- Outcome
- this indexe0
- Direction
- increasee0
- Value
- 3-84 g/le0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen application for early-spring cultivation provided the increase of this index by 3-84 g/l”
t0“oat varieties”
Claim · model-written summary
Tillering nitrogen increased oat test weight by 31-74 g/l.
- Taxon
- oatAvena sativat0
- Treatment
- mineral dressing at tillering stagee0
- Outcome
- mineral dressinge0
- Value
- 31-74 g/le0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mineral dressing at tillering stage - by 31-74 g/l”
t0“oat varieties”
Claim · model-written summary
Nitrogen rates did not affect 1000-grain mass or grain uniformity.
- Taxon
- oatAvena sativat0
- Treatment
- rates of nitrogen fertilizerse0
- Outcome
- mass of 1000 grains and the degree of grain uniformitye0
- Direction
- not influencede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the mass of 1000 grains and the degree of grain uniformity were not influenced by the rates of nitrogen fertilizers”
t0“oat varieties”
Claim · model-written summary
Krechet was ranked best among studied cultivars.
- Taxon
- oatAvena sativat0
- Material
- Krechet varietye0
- Outcome
- best among the cultivars studiede0
- Direction
- beste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Krechet variety proved to be the best among the cultivars studied”
t0“oat varieties”
Claim · model-written summary
Krechet seed productivity was almost as high as standard Gorizont.
- Taxon
- oatAvena sativat0
- Outcome
- seed productivitye0
- Direction
- almost as highe0
- Comparator
- standard Gorizont varietye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It showed almost as high seed productivity as standard Gorizont variety”
t0“oat varieties”
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