Nigar Abdulrahman Sabir, Sherzad Omar Hamad. Effect of Chemical Fertilizer and Humic Acid on the Growth and Development of Paulownia tomentosa Seedlings. ZJPAS [Internet]. 2022 Aug. 15 [cited 2024 Apr. 29];34(4):19-32. Available from: https://zancojournal.su.edu.krd/index.php/JPAS/article/view/274