Downsizing an agricultural field experiment alters economic results: A case study

Downsizing the replications of an agricultural experiment altered profit and utility rankings of different cropping systems less than cutting the duration of the experiment. However, failing to plant all crops in a rotation each year altered economic rankings the most. Estimates of system profit var...

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Bibliographic Details
Published in:Applied economic perspectives and policy 2004-06, Vol.26 (2), p.255-265
Main Authors: Young, Douglas L., Kwon, Tae-Jin, Young, Frank L.
Format: Article
Language:English
Subjects:
Agricultural economics
Case studies
Crop economics
Crop rotation
Cropping systems
dryland farming
duration
experimental design
Experimental replication
Experiments
Farm economics
field experimentation
Field experiments
Field study
Layoffs
long term experiments
Profitability
Ratings & rankings
Research Cases
Risk aversion
statistical analysis
Tillage
wheat
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Summary:Downsizing the replications of an agricultural experiment altered profit and utility rankings of different cropping systems less than cutting the duration of the experiment. However, failing to plant all crops in a rotation each year altered economic rankings the most. Estimates of system profit variability, and associated economic rankings, were especially sensitive to downsizing experiment length and to failing to plant all crops in a rotation annually. Despite the scientific importance of long full-rotation experiments, short run publication pressures favoring "new data" and methodological innovations might discourage such rich experiments.
ISSN:1058-7195
2040-5790
1467-9353
2040-5804
DOI:10.1111/j.1467-9353.2004.00174.x