Influence of growing system on nitrate accumulation in two varieties of lettuce and red radicchio of Treviso

Abstract

Our findings on nitrate levels in both lettuce and red radicchio of Treviso varieties suggest that both genetic factors and cultivation systems strongly affect the nitrate accumulation capacity. This study also highlights how the cultivation strategy can reduce nitrate levels in leafy vegetables, suggesting the possibility of modulating the N supply along the harvesting time.