Abstract
SUMMARY Uniformity of root yield and plant density of sugar beet was assessed on four areas each of 250 small plots‐two in each of the years 1969 and 1970. Plots from which 2–5‐100 m 2 of crop was harvested from the centre rows were constructed and their coefficients of variation calculated. Coefficient of variation decreased as harvested area increased, but little additional accuracy was achieved by harvesting more than 40 m 2 . Plots drilled‐to‐a‐stand appeared no more variable in root yield or plant density than carefully hand‐singled plots.
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Claims 3
Claim · model-written summary
Coefficient of variation of sugar beet root yield decreased as harvested area increased.
- Taxon
- sugar beet
Beta vulgaris subsp. vulgarise0 - Treatment
- harvested areae1
- Outcome
- Coefficient of variatione1
- Direction
- decreasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant density of sugar beet was assessed”
e1“Coefficient of variation decreased as harvested area increased”
Claim · model-written summary
Harvesting more than 40 m2 of plot area gave little additional accuracy.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Outcome
- additional accuracye2
- Value
- 40 m 2e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant density of sugar beet was assessed”
e2“little additional accuracy was achieved by harvesting more than 40 m 2”
Claim · model-written summary
Plots drilled to a stand were no more variable in root yield or plant density than carefully hand-singled plots in sugar beet.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Treatment
- drilled‐to‐a‐stande3
- Outcome
- root yield or plant densitye3
- Direction
- no more variablee3
- Comparator
- carefully hand‐singled plotse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant density of sugar beet was assessed”
e3“Plots drilled‐to‐a‐stand appeared no more variable in root yield or plant density than carefully hand‐singled plots”
The same questions in other papers
transplanting · yield · Beta vulgaris (beet)Positive and negative results
3 papers in the same direction as this paper · 14 in the opposite direction
- positive
- positive
- positive
14 papers more in this group
See all 18 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.