Here is the full list of all 24 Farming Simulator 19 trophies - there are 6 bronze, 11 silver, 6 gold and 1 platinum.
Collect all trophies
Harvest 100 hectares
Cultivate 100 hectares
Sow 100 hectares
Fertilize 100 hectares
Complete 100 missions
Complete 50 missions
Harvest 10 hectares
Breed 100 chickens
Breed 50 pigs
Breed 30 sheep
Breed 20 cows
Cultivate 10 hectares
Fertilize 1 hectare
Fertilize 10 hectares
Harvest 1 hectare
Sow 1 hectare
Sow 10 hectares
Cultivate 1 hectare
Cut down 25 trees
Cut down 1 tree
Complete 1 mission
Reach 10 hours of playing time in a single savegame
Own a bank account with 10 million ingame money