TY - JOUR T1 - Effects of magnetic and electromagnetic treatment of the nutrient solution on hydroponic lettuce production JO - Revista Ciência Agronômica A1 - Téllez, Hayver Olaya A1 - Putti, Fernando Ferrari A1 - Bôas, Roberto Lyra Villas SN - 1806-6690 UL - 10.5935/1806-6690.v57e202492924 VL - 57 Y1 - 2026 PB - Brasil ER -