Harvest operations;Corn;Ground ear maize
N.N.

Corn-Cop-Mix (CCM);Labour productivity;Harvest operations
CCM '
N.N.

Corn;Harvest operations;Corn-Cop-Mix (CCM);Ground ear maize
CCM '
N.N.

Harvesting technology;Corn-Cop-Mix (CCM);Ground ear maize
Maisernte '
N.N.

Harvesting technology;Corn-Cop-Mix (CCM);Ground ear maize
Maisernte '
N.N.

Corn;Grinding technology;Ground ear maize
Maisernte (Kolben) '
N.N.

Corn;Maize header;Ground ear maize
Mais Diverses '
N.N.

Harvesting technology;Harvest operations;Ground ear maize
N.N.

Clamp silo;Ground ear maize
N.N.

Harvesting technology;Forage harvesting technology;Forage harvester;Pick-up cylinder chopper;Corn-Cop-Mix (CCM);Ground ear maize
N.N.