Abstract
Tillage selection has been identified as a factor that may influence corn response to starter fertilizer. The objective of this experiment was to determine if tillage practices affect corn growth and grain yield response to starter fertilizer. The experiment was conducted near Columbia, MO in 2000 and 2001. The experimental design included three hybrids, with and without tillage and with and without starter fertilizer (30 lb N/acre and 13 lb P/acre), placed 2 inches to the side and 2 inches below the seed. Tillage treatment by starter fertilizer interactions were not significant except for plant height measured eight weeks after planting in 2001. Tillage did not affect corn response to starter fertilizer. No‐tillage plots were 5.7 and 3.5 inches taller at 6 weeks after planting than tilled plots in 2000 and 2001. At 8 weeks after planting no‐tillage plots were 7.5 and 6.0 inches taller than tilled plots in 2000 and 2001. No‐tillage plots reached silking 2.3 and 1.6 days earlier in 2000 and 2001 than tilled plots. Starter fertilizer also affected plant height and silking date, but to a lesser extent than tillage. The effects of starter fertilizer on plant height and crop development never translated into an effect on grain yield. We found no evidence that growers who use no‐tillage are more likely to see yield responses from starter fertilizer than growers who use some other form of tillage.
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Claims 10
Claim · model-written summary
Tillage by starter fertilizer interactions were generally not significant, apart from plant height at eight weeks in 2001.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- Tillage treatmente0
- Outcome
- interactionse0
- Qualifier
- except for plant height measured eight weeks after planting in 2001e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tillage treatment by starter fertilizer interactions were not significant except for plant height measured eight weeks after planting in 2001.”
t0“Corn”
Claim · model-written summary
No-tillage corn was 5.7 inches taller at six weeks in 2000 than tilled corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- No‐tillagee0
- Outcome
- tallere0
- Direction
- tallere0
- Value
- 5.7e0
- Qualifier
- 2000e0
- Comparator
- tilled plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No‐tillage plots were 5.7 and 3.5 inches taller at 6 weeks after planting than tilled plots in 2000 and 2001.”
t0“Corn”
Claim · model-written summary
No-tillage corn was 3.5 inches taller at six weeks in 2001 than tilled corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- No‐tillagee0
- Outcome
- tallere0
- Direction
- tallere0
- Value
- 3.5 inchese0
- Qualifier
- 2001e0
- Comparator
- tilled plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No‐tillage plots were 5.7 and 3.5 inches taller at 6 weeks after planting than tilled plots in 2000 and 2001.”
t0“Corn”
Claim · model-written summary
No-tillage corn was 7.5 inches taller at eight weeks in 2000 than tilled corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- no‐tillagee0
- Outcome
- tallere0
- Direction
- tallere0
- Value
- 7.5e0
- Qualifier
- 2000e0
- Comparator
- tilled plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 8 weeks after planting no‐tillage plots were 7.5 and 6.0 inches taller than tilled plots in 2000 and 2001.”
t0“Corn”
Claim · model-written summary
No-tillage corn was 6.0 inches taller at eight weeks in 2001 than tilled corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- no‐tillagee0
- Outcome
- tallere0
- Direction
- tallere0
- Value
- 6.0 inchese0
- Qualifier
- 2001e0
- Comparator
- tilled plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 8 weeks after planting no‐tillage plots were 7.5 and 6.0 inches taller than tilled plots in 2000 and 2001.”
t0“Corn”
Claim · model-written summary
No-tillage corn reached silking 2.3 days earlier in 2000 than tilled corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- No‐tillagee0
- Outcome
- silkinge0
- Direction
- earliere0
- Value
- 2.3e0
- Qualifier
- 2000e0
- Comparator
- tilled plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No‐tillage plots reached silking 2.3 and 1.6 days earlier in 2000 and 2001 than tilled plots.”
t0“Corn”
Claim · model-written summary
No-tillage corn reached silking 1.6 days earlier in 2001 than tilled corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- No‐tillagee0
- Outcome
- silkinge0
- Direction
- earliere0
- Value
- 1.6 dayse0
- Qualifier
- 2001e0
- Comparator
- tilled plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No‐tillage plots reached silking 2.3 and 1.6 days earlier in 2000 and 2001 than tilled plots.”
t0“Corn”
Claim · model-written summary
Starter fertilizer affected corn height and silking date less than tillage did.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Starter fertilizere0
- Outcome
- plant height and silking datee0
- Direction
- lesser extente0
- Comparator
- tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Starter fertilizer also affected plant height and silking date, but to a lesser extent than tillage.”
t0“Corn”
Claim · model-written summary
Starter fertilizer did not significantly affect corn grain yield.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- starter fertilizere0
- Outcome
- grain yielde0
- Direction
- never translated into an effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of starter fertilizer on plant height and crop development never translated into an effect on grain yield.”
t0“Corn”
Claim · model-written summary
No-tillage growers were not more likely than other growers to see yield responses from starter fertilizer.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- starter fertilizere0
- Outcome
- yield responsese0
- Direction
- no evidencee0
- Comparator
- some other form of tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We found no evidence that growers who use no‐tillage are more likely to see yield responses from starter fertilizer than growers who use some other form of tillage.”
t0“Corn”
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See all 3,908 papers →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.