Abstract
A field experiment was conducted to study the nodulation ability of two alfalfa varieties, alone and in mixtures with grass crops. The alfalfa varieties Pleven 6 and Dara were used, and the cocksfoot variety Dabrava was used for the mixtures with grass crops. The ratio of legumes to grass crops in the mixtures was 50:50% and 80:20%, respectively. Soil monoliths were taken to determine the number of nodules formed on the alfalfa plants and the level of nodule formation. It was found that the number of nodules formed (16 nodules/plant) on the Dara alfalfa plants was 33.3% higher than that on the Pleven 6 plants (12 nodules/plant). In mixtures of alfalfa and cocksfoot in a 50:50 ratio, the number of nodes was found higher than that formed only by alfalfa in both varieties, with the Dara variety having 26.8% more. In mixtures of alfalfa and cocksfoot in a ratio of 80:20%, the number of nodes formed was the highest due to the larger proportion of the legume component. The number of nodes formed in the alfalfa variety Dara was 26.7% higher than that in the variety Pleven 6, and 15.8% higher in the mixture in a ratio of alfalfa Dara: cocksfoot 80:20% compared to alfalfa alone. In terms of nodule formation, the plants were ranked as follows: Dara alfalfa in mixtures with cocksfoot in a ratio of 80:20% (45.5), Pleven 6 alfalfa in mixtures with cocksfoot in a ratio of 80:20% (43.0), alfalfa variety Dara – single crop (42.0), alfalfa variety Pleven 6 – single crop (40.5) and alfalfa variety Pleven 6 in mixtures with – single crop in a ratio of 50:50% (40.5). The higher potential for alfalfa nodule formation in mixtures with cocksfoot in a ratio of 80:20% was associated with more efficient use of nitrogen for nodule formation.
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Claims 12
Claim · model-written summary
Dara had 33.3% more nodules than Pleven 6.
- Taxon
- alfalfa
Medicago sativae0 - Material
- Darae0
- Outcome
- number of nodules formede0
- Direction
- highere0
- Value
- 33.3%e0
- Qualifier
- 12 nodules/plante0
- Comparator
- Pleven 6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number of nodules formed (16 nodules/plant) on the Dara alfalfa plants was 33.3% higher than that on the Pleven 6 plants (12 nodules/plant)”
Claim · model-written summary
A 50:50 alfalfa and cocksfoot mixture increased nodule number over alfalfa alone in both varieties.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- mixtures of alfalfa and cocksfoot in a 50:50 ratioe0
- Interactor
- cocksfoot
.jpg?width=60)
Dactylis glomeratae0other - Outcome
- number of nodese0
- Direction
- highere0
- Comparator
- only by alfalfae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“In mixtures of alfalfa and cocksfoot in a 50:50 ratio, the number of nodes was found higher than that formed only by alfalfa in both varieties”
Claim · model-written summary
In the 50:50 mixture Dara had 26.8% more nodes.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with the Dara variety having 26.8% more”
t0“alfalfa”
Claim · model-written summary
The 80:20 alfalfa and cocksfoot mixture had the highest node number.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- mixtures of alfalfa and cocksfoot in a ratio of 80:20%e0
- Interactor
- cocksfootDactylis glomeratae0other
- Outcome
- number of nodes formede0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In mixtures of alfalfa and cocksfoot in a ratio of 80:20%, the number of nodes formed was the highest due to the larger proportion of the legume component”
Claim · model-written summary
Dara formed 26.7% more nodes than Pleven 6.
- Taxon
- alfalfaMedicago sativae0
- Material
- Darae0
- Outcome
- number of nodes formede0
- Direction
- highere0
- Value
- 26.7%e0
- Comparator
- Pleven 6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of nodes formed in the alfalfa variety Dara was 26.7% higher than that in the variety Pleven 6”
Claim · model-written summary
Dara in an 80:20 mixture formed 15.8% more nodes than alfalfa alone.
- Taxon
- alfalfaMedicago sativae0
- Material
- Darae0
- Treatment
- mixture in a ratio of alfalfa Dara: cocksfoot 80:20%e0
- Interactor
- cocksfootDactylis glomeratae0other
- Outcome
- 15.8% highere0
- Direction
- highere0
- Value
- 15.8%e0
- Comparator
- alfalfa alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“15.8% higher in the mixture in a ratio of alfalfa Dara: cocksfoot 80:20% compared to alfalfa alone”
Claim · model-written summary
Dara in the 80:20 cocksfoot mixture ranked highest for nodule formation at 45.5.
- Taxon
- alfalfaMedicago sativae0
- Material
- Darae0
- Interactor
- cocksfootDactylis glomeratae0other
- Outcome
- nodule formatione1
- Value
- 45.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dara alfalfa in mixtures with cocksfoot in a ratio of 80:20% (45.5)”
e1“In terms of nodule formation”
Claim · model-written summary
Pleven 6 in the 80:20 mixture scored 43.0 for nodule formation.
- Taxon
- alfalfaMedicago sativae0
- Material
- Pleven 6e0
- Interactor
- cocksfootDactylis glomeratae0other
- Outcome
- nodule formatione1
- Value
- 43.0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pleven 6 alfalfa in mixtures with cocksfoot in a ratio of 80:20% (43.0)”
e1“In terms of nodule formation”
Claim · model-written summary
Dara as a single crop scored 42.0 for nodule formation.
- Taxon
- alfalfaMedicago sativae0
- Material
- Darae0
- Outcome
- nodule formatione1
- Value
- 42.0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“alfalfa variety Dara – single crop (42.0)”
e1“In terms of nodule formation”
Claim · model-written summary
Pleven 6 as a single crop scored 40.5 for nodule formation.
- Taxon
- alfalfaMedicago sativae0
- Material
- Pleven 6e0
- Outcome
- nodule formatione1
- Value
- 40.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“alfalfa variety Pleven 6 – single crop (40.5)”
e1“In terms of nodule formation”
Claim · model-written summary
Pleven 6 in the stated 50:50 mixture scored 40.5 for nodule formation.
- Taxon
- alfalfaMedicago sativae0
- Material
- Pleven 6e0
- Outcome
- nodule formatione1
- Value
- 40.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“alfalfa variety Pleven 6 in mixtures with – single crop in a ratio of 50:50% (40.5)”
e1“In terms of nodule formation”
Claim · model-written summary
Greater nodule formation potential in the 80:20 mixture was associated with more efficient nitrogen use.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- mixtures with cocksfoot in a ratio of 80:20%e0
- Interactor
- cocksfootDactylis glomeratae0other
- Outcome
- potential for alfalfa nodule formatione0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The higher potential for alfalfa nodule formation in mixtures with cocksfoot in a ratio of 80:20% was associated with more efficient use of nitrogen for nodule formation”