Abstract
Field experiments evaluating 11 cereal cover crops were established at two locations in Ontario over a two-year period. Cover crops were interseeded into a ridge-tillage corn crop and evaluated in terms of biomass production and winter annual, biennial, and perennial weed species suppression. Seedling establishment and aboveground biomass production of cover crops were variable between locations and years. At both locations over two years, ‘Danko’ winter rye, ‘OAC Halton’ winter barley and ‘Rodeo’ spring barley were the most consistent cover crops in biomass production. However, cover crop residues had no significant effect on weed biomass or density due to a high degree of spatial variability present in the weed populations. Corn grain yields were not reduced by the presence of inter-seeded cover crops when compared with the bare ground control treatment.
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Claims 7
Claim · model-written summary
Cover-crop establishment and biomass varied between locations and years.
Verbatim
e0“Seedling establishment and aboveground biomass production of cover crops were variable between locations and years”
Claim · model-written summary
Danko winter rye consistently produced high biomass.
- Taxon
- winter rye
Secale cerealee0 - Material
- ‘Danko’e0
- Outcome
- most consistent cover crops in biomass productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Danko’ winter rye, ‘OAC Halton’ winter barley and ‘Rodeo’ spring barley were the most consistent cover crops in biomass production”
Claim · model-written summary
OAC Halton winter barley consistently produced high biomass.
- Taxon
- winter barley
.jpg?width=60)
Hordeum vulgaree0 - Material
- ‘OAC Halton’e0
- Outcome
- most consistent cover crops in biomass productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“‘Danko’ winter rye, ‘OAC Halton’ winter barley and ‘Rodeo’ spring barley were the most consistent cover crops in biomass production”
Claim · model-written summary
Rodeo spring barley consistently produced high biomass.
- Taxon
- spring barleyHordeum vulgaree0
- Material
- ‘Rodeo’e0
- Outcome
- most consistent cover crops in biomass productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Danko’ winter rye, ‘OAC Halton’ winter barley and ‘Rodeo’ spring barley were the most consistent cover crops in biomass production”
Claim · model-written summary
Cover crop residues had no significant effect on weed biomass.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- cover crop residuese0
- Interactor
- weede0weed
- Outcome
- weed biomasse0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cover crop residues had no significant effect on weed biomass or density due to a high degree of spatial variability present in the weed populations”
t0“Corn (Zea mays)”
Claim · model-written summary
Cover crop residues had no significant effect on weed density.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- cover crop residuese0
- Interactor
- weede0weed
- Outcome
- weed biomass or densitye0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cover crop residues had no significant effect on weed biomass or density due to a high degree of spatial variability present in the weed populations”
t0“Corn (Zea mays)”
Claim · model-written summary
Interseeded cover crops did not reduce corn grain yield versus bare ground.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- inter-seeded cover cropse0
- Outcome
- Corn grain yieldse0
- Direction
- not reducede0
- Comparator
- bare ground control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn grain yields were not reduced by the presence of inter-seeded cover crops when compared with the bare ground control treatment”
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