• individual seed counting with the aid of the most modern machines
• constant laboratory monitoring
• trials in the open and reference gardens
• external tests by the State Institution for Agriculture and Horticulture of Saxony-Anhalt, test and approval office for seeds and plants (LUFA)

Pictures of trials in open ground from our reference garden

Trials in open ground in our reference garden

Trials in open ground: tagetes

Trials in open ground: Ring of Fire sunflower

Trials in open ground: filled tagetes varieties

Trials in open ground: dill

Trials in open ground: Green Tint patty-pan squash

Trials in open ground: Tarzan radishes

Trials in open ground: Double Purple Pirouette petunia