Pemanfaatan Paitan (Tithonia Diversifolia) Sebagai Nutrisi Untuk Pertumbuhan …

ABSTRACT Red lettuce (Lactuca sativa L.) is one type of lettuce that is in demand by the public due to its anthocyanin compounds which are beneficial for health. The area of production land is still a problem in the lettuce cultivation process, especially for urban areas. The concept of urban farming can be a solution in the midst of dense urban development by carrying out hydroponic cultivati…