Bouqbis, L. , Koyro, H. , Harrouni, M. , Daoud, S. , Ainlhout, L. , Kammann, C. (2016), 'Effect of Two Different Biochars on Germination and Seedlings Growth of Salad, Cress and Barley', World Academy of Science, Engineering and Technology, Open Science Index 120, International Journal of Agricultural and Biosystems Engineering, 10(12), 872 - 880.