Dataset of an experiment of differential fertilization on potted lettuces. Two cultivars ("Grand Rapid" and "Red Oakleaf") were subjected to four levels of urea (46% N) fertilization (0, 200, 400 and
Dataset of an experiment of differential fertilization on potted lettuces. Two cultivars ("Grand Rapid" and "Red Oakleaf") were subjected to four levels of urea (46% N) fertilization (0, 200, 400 and
