[1]
Nigar Abdulrahman Sabir and Sherzad Omar Hamad 2022. Effect of Chemical Fertilizer and Humic Acid on the Growth and Development of Paulownia tomentosa Seedlings. Zanco Journal of Pure and Applied Sciences. 34, 4 (Aug. 2022), 19–32. DOI:https://doi.org/10.21271/ZJPAS.34.4.3.