Soil bio-enhancer was applied as a basal dressing for wheat and barley crops and as a top dressing to a sainfoin and oats crops in Ros (Burgos) some 20 km from where the enhancer was developed.

Soil bio-enhancer was applied once at doses of 0, 10 and 20 m3 per hectare on fallow with superficial tillage in cereal fields in Ros (Burgos).