The aim of this research was to investigate growth. yield and nitrate accumulation of lettuce grown under hydroponics of Dynamic Root Floating Technique (DRFT). The experimental design was conducted under completely randomized design with 4 replications (4 plants per replication). Factor A was 5 lettuce varieties; Green cos. https://www.roneverhart.com/Castello-di-Amorosa-Il-Barone-Napa-Valley-Cabernet-Sauvignon-2007/