However, the content of potassium and nitrate-N was higher in vetch than bare soil. Although there was greater potassium in vetch soil, both soils were rated as having ‘high’ levels for tomatoes by the soil testing laboratory.
However, thecontent of potassium and nitrate-N was higher in vetch than baresoil. Although there was greater potassium in vetch soil, both soilswere rated as having ‘high’ levels for tomatoes by the soil testinglaboratory.