Hassin AL. Makhlof, Hassan Abd El-mawla Mohammeda , Gomoa L. Ahmed. Effect of Organic (Biochar, Compost and Chicken Manure) and Mineral Fertilization on Available NPK on Sandy Soil. JOPAS [Internet]. 2019 Nov. 17 [cited 2024 Nov. 21];18(4). Available from: https://sebhau.edu.ly/journal/jopas/article/view/392