The datasets were obtained from official Swedish cultivar tests. Dry matter yield was analyzed. All trials were laid out as alpha-designs with two replicates. Within each replicate, there were five to seven incomplete blocks.
Format
A data frame with 1069 rows and 8 variables:
- zone
Sweden is divided into three different agricultural zones: South, Middle, and North
- location
Locations: 18 location in the Zones
- rep
Replications (4): number of replication in the experiment
- alpha
Incomplete blocks (8) in the alpha-designs
- cultivar
Cultivars (30): genotypes evaluated
- yield
Yield in kg/ha
- year
Year (1): 2016
- env
enviroment (18): combination zone + location + year