Abstract
Changes in the numbers of Azospirillum bacteria were studied in soil under winter wheat, oat and maize crops. The cereal seeds were treated with fungicides and inoculated with Azospirillum brasilense actively fixing dinitrogen. Plants were grown without nitrogen fertiliser and with nitrogen application in the amount of 60 and 120 kg N ha -1 for wheat, 50 and 100 kg N ha -1 for oats and 100 and 200 kg N ha -1 for maize. The population number of bacteria was estimated at different developmental stages of plants. Inoculation of cereals with Azospirillum brasilense bacteria contributed to the increase of their numbers in soil. No significant influence of fungicidal seed dressings on the numbers of Azospirillum bacteria has been noted. The application of mineral nitrogen to the crops was favourable to multiplication of Azospirillum bacteria under plants.
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Claims 3
Claim · model-written summary
Inoculation of cereals with Azospirillum brasilense increased the numbers of Azospirillum bacteria in soil.
- Taxon
- winter wheat, oat and maize
Triticum aestivum
Zea mays
Avena sativae0 - Treatment
- Inoculation of cereals with Azospirillum brasilensee2
- Interactor
- Azospirillum brasilense
Azospirillum brasilensee2symbiont - Outcome
- numbers of Azospirillum bacteriae0
- Direction
- increasee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Changes in the numbers of Azospirillum bacteria were studied in soil under winter wheat, oat and maize crops”
e2“Inoculation of cereals with Azospirillum brasilense bacteria contributed to the increase of their numbers in soil”
Claim · model-written summary
Fungicidal seed dressings had no significant influence on the numbers of Azospirillum bacteria in soil.
- Taxon
- winter wheat, oat and maizeTriticum aestivumZea maysAvena sativae0
- Treatment
- fungicidal seed dressingse3
- Interactor
- Azospirillum bacteriae3symbiont
- Outcome
- numbers of Azospirillum bacteriae3
- Direction
- no_changeinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Changes in the numbers of Azospirillum bacteria were studied in soil under winter wheat, oat and maize crops”
e3“No significant influence of fungicidal seed dressings on the numbers of Azospirillum bacteria has been noted”
Claim · model-written summary
Mineral nitrogen application increased multiplication of Azospirillum bacteria under the crops compared with no nitrogen fertiliser.
- Taxon
- winter wheat, oat and maizeTriticum aestivumZea maysAvena sativae0
- Treatment
- application of mineral nitrogene4
- Interactor
- Azospirillum bacteriae4symbiont
- Outcome
- multiplication of Azospirillum bacteriae4
- Direction
- increaseinferrede4
- Comparator
- without nitrogen fertilisere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Changes in the numbers of Azospirillum bacteria were studied in soil under winter wheat, oat and maize crops”
e4“The application of mineral nitrogen to the crops was favourable to multiplication of Azospirillum bacteria under plants”
e5“Plants were grown without nitrogen fertiliser and with nitrogen application”
The same questions in other papers
Azospirillum brasilense · organism · Zea mays (maize)Results agree
1 paper in the same direction as this paper
- positive
Azospirillum brasilense · organism · Triticum aestivum (wheat)Results agree
2 papers in the same direction as this paper
- positive
- positive
inoculation · organism · Avena sativa (oats)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
fungicide · organism · Zea mays (maize)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- positive
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- no effect
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See all 6 papers →fungicide · organism · Triticum aestivum (wheat)Positive and negative results
3 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
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See all 12 papers →seed treatment · organism · Triticum aestivum (wheat)Positive and negative results
2 papers in the same direction as this paper · 10 in the opposite direction
- positive
- positive
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See all 13 papers →seed treatment · organism · Zea mays (maize)Positive and negative results
3 papers in the same direction as this paper · 9 in the opposite direction
- positive
- positive
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9 papers more in this group
See all 13 papers →nitrogen · pest · Zea mays (maize)Positive and negative results
17 papers in the same direction as this paper · 11 in the opposite direction
- negative
- no effect
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See all 29 papers →8 of 12 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.