Abstract
Synopsis Based on uniformity trial data from double‐cross corn in Alabama, plots 1 to 3 rows wide and 10 to 15 hills long (1 plant per hill) were the most efficient, disregarding relative costs. A plot 2 rows wide and 10 to 15 hills long was considered the optimum size for general use. A basic unit of more than 5 plants may be advantageous in future experiments with corn uniformity data. There was only a small decrease in L.S.D. by increasing the replications from 5 to 6. The small gain in precision did not justify the use of the simple lattice instead of the randomized blocks design with 16, 25, or 36 entries.
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Claims 5
Claim · model-written summary
Plots one to three rows wide and 10 to 15 hills long were most efficient.
- Taxon
- corn
Zea mays subsp. mayse0 - Outcome
- most efficiente0
- Value
- 1 to 3 rows wide and 10 to 15 hills longe0
- Setting
- Alabamae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Based on uniformity trial data from double‐cross corn in Alabama, plots 1 to 3 rows wide and 10 to 15 hills long (1 plant per hill) were the most efficient, disregarding relative costs.”
Claim · model-written summary
Two-row plots 10 to 15 hills long were considered optimal for general use.
- Taxon
- CornZea mays subsp. mayst0
- Outcome
- optimum size for general usee0
- Value
- 2 rows wide and 10 to 15 hills longe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A plot 2 rows wide and 10 to 15 hills long was considered the optimum size for general use.”
t0“Hybrid Corn”
Claim · model-written summary
A basic unit larger than five plants may be advantageous.
- Taxon
- cornZea mays subsp. mayse0
- Outcome
- more than 5 plants may be advantageouse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A basic unit of more than 5 plants may be advantageous in future experiments with corn uniformity data.”
Claim · model-written summary
Increasing replications from five to six gave only a small decrease in L.S.D.
- Taxon
- CornZea mays subsp. mayst0
- Outcome
- L.S.D.e0
- Direction
- decreasee0
- Value
- 5 to 6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was only a small decrease in L.S.D. by increasing the replications from 5 to 6.”
t0“Hybrid Corn”
Claim · model-written summary
The precision gain did not justify using simple lattice over randomized blocks.
- Taxon
- CornZea mays subsp. mayst0
- Outcome
- did not justify the use of the simple latticee0
- Comparator
- randomized blocks designe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The small gain in precision did not justify the use of the simple lattice instead of the randomized blocks design with 16, 25, or 36 entries.”
t0“Hybrid Corn”