Site number
End season serial number
Country
Year
District code
Gender of the respondent
Germination/Crop stand (importance of)
Height (importance of)
Stalk thickness (importance of)
Stalk borer resistance (importance of)
Biomass (importance of)
Barreness level (importance of)
Number of cobs (importance of)
Cob size (importance of)
Good cover of the husk (importance of)
Drooping of ear (importance of)
Cob rot resistance (importance of)
Resistance to lodging (importance of)
Foliar diseases resistance (importance of)
Drought resistance (importance of)
Early maturing (importance of)
Tillers development (importance of)