Ismail MH, Al-Asadi ZN. Reinforcement of clean farming by using poultry manure and dry yeast and its effects on the growth and productivity of lettuce (Lactuca sativa L.). JKAS [Internet]. 2023 Mar. 23 [cited 2024 Apr. 25];10(1). Available from: https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/1132