Madina, P, D. D. Iyough, O. A Michael, and K Ayoola. 2023. “The Effect of Organic Manure and Days of Incorporation on the Growth and Yield of Lettuce (Lactuca Sativa L.) Grown in Jos Plateau State. Nigeria”. Discoveries in Agriculture and Food Sciences 11 (2):38-49. https://doi.org/10.14738/dafs.103.14491.