Abstract
Abstract A split‐plot field experiment compared annual seeding and self‐reseeding of crimson and arrowleaf clovers in a Coastal bermudagrass sod. Clover species did not differ significantly for seedling counts. Earlier growth was produced by self‐reseeding stands. However, stands from both methods of seeding were good and growth was relatively uniform in all plots. Differences in total production were not significant for method of seeding. Crimson clover averaged 33% more forage than arrowleaf. The lower yields of arrowleaf were caused by poor recovery and regrowth under drought stress. Grass following clover produced 18% more forage than grass receiving 224 kg/ha N without clover. Total grass yields following crimson and arrowleaf clovers were not significantly different. However, the first grass harvest following arrowleaf was always reduced. This was caused by greater competition from arrowleaf clover than from the earlier maturing crimson clovers. Total forage production was 47% higher from the sequence of clover‐Coastal bermudagrass than from grass — 224 kg/ha N — no clover. Highest total forage was produced by crimson clover‐bermudagrass. Crimson clover contributed 22% to total yield compared to 17% for arrowleaf. This study suggests the utilization of winter annual clovers to partially supply the nitrogen requirement of summer growing grasses. In addition to a reduction in the mineral nitrate requirement, other benefits would be an extended grazing season, increased total forage production, increased forage quality, and better utilization of land resources.
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Claims 14
Claim · model-written summary
Clover species did not differ significantly in seedling counts.
TrifoliumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clover species did not differ significantly for seedling counts.”
Claim · model-written summary
Self-reseeding stands produced earlier growth.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Earlier growth was produced by self‐reseeding stands.”
t0“Clovers”
Claim · model-written summary
Total production did not differ significantly by seeding method.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences in total production were not significant for method of seeding.”
t0“Clovers”
Claim · model-written summary
Crimson clover averaged 33% more forage than arrowleaf.
Verbatim
e0“Crimson clover averaged 33% more forage than arrowleaf.”
Claim · model-written summary
Arrowleaf had lower yields due to poor recovery and regrowth during drought.
Verbatim
e0“The lower yields of arrowleaf were caused by poor recovery and regrowth under drought stress.”
Claim · model-written summary
Grass after clover produced 18% more forage than fertilized grass without clover.
Verbatim
e0“Grass following clover produced 18% more forage than grass receiving 224 kg/ha N without clover.”
Claim · model-written summary
Total grass yield did not significantly differ after crimson versus arrowleaf clover.
Verbatim
e0“Total grass yields following crimson and arrowleaf clovers were not significantly different.”
Claim · model-written summary
The first grass harvest after arrowleaf was reduced.
Verbatim
e0“the first grass harvest following arrowleaf was always reduced.”
Claim · model-written summary
Greater competition from arrowleaf than crimson clover caused the first-harvest reduction.
Verbatim
e0“This was caused by greater competition from arrowleaf clover than from the earlier maturing crimson clovers.”
Claim · model-written summary
Clover followed by Coastal bermudagrass produced 47% more total forage than fertilized grass without clover.
Verbatim
e0“Total forage production was 47% higher from the sequence of clover‐Coastal bermudagrass than from grass — 224 kg/ha N — no clover.”
Claim · model-written summary
The crimson clover–bermudagrass sequence produced the highest total forage.
- Taxon
- bermudagrass
Cynodon dactylone0 - Outcome
- total foragee0
- Direction
- Higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Highest total forage was produced by crimson clover‐bermudagrass.”
Claim · model-written summary
Crimson clover contributed 22% to total yield.
Verbatim
e0“Crimson clover contributed 22% to total yield”
Claim · model-written summary
Arrowleaf contributed 17% to total yield.
Verbatim
e0“compared to 17% for arrowleaf”
Claim · model-written summary
The authors recommend winter annual clovers to supply part of summer grass nitrogen needs.
Verbatim
e0“This study suggests the utilization of winter annual clovers to partially supply the nitrogen requirement of summer growing grasses.”