Pengaruh Limbah Cair Tahu Terhadap Pertumbuhan Selada Merah (Lactuca Sativa L…

This research was conducted to determine the effect of tofu liquid waste on the growth of red lettuce (Lactuca sativa L var. Red rapids) with floating raft hydroponic technique and the design of student worksheet (LKPD) of senior high school grade XII biotechnology materials in November-January 2019. This research carried out in two stages; they are the experimental stage: the effect of the tof…