Variety-specific responses of lettuce grown in a gravel-film technique closed hydroponic system to N supply on yield, morphology, phytochemicals, mineral content and safety

Bevly M. Mampholo, Martin M. Maboko, Puffy Soundy, Dharini Sivakumar

Journal of Integrative Agriculture . 2018, (11): 2447 -2457 . DOI: 10.1016/S2095-3119(18)62007-6