Pengaruh Konsentrasi Kombinasi Fermentasi Limbah Air Tahu Dan Air Cucian Bera…

This study aims to determine the effect of the combination of fermented tofu waste water and rice washing water used as liquid organic fertilizer on the growth of lettuce (lactuca sativa L.) with the hydroponic wick technique. The research was carried out at the Biology Education Study Program, FKIP Riau University, Pekanbaru, November 2020 to April 2021. This study consisted of two stages, nam…