S. NICOLA, C. EGEA-GILABERT, D. NIÑIROLA, E. CONESA, G. PIGNATA, E. FONTANA AND J.A. FERNÁNDEZ (2015). Nitrogen and Aeration Levels of the Nutrient Solution in Soilless Cultivation Systems as Important Growing Conditions Affecting Inherent Quality of Baby Leaf Vegetables: a Review. ACTA HORTIC. 1099: 167-177.