Response of superior grapevines to fertilization by enriched humic acid and chicken manure
By: al-Jazzar, Ahmad Abd al-Fattah; Umar, Ahmad; al-Fishawi, Sahar…[et al.]. Journal of Biological Chemistry and Environmental Sciences. Vol. 4, no. 1 (Mar. 2009), pp.421-444, 24 p.
Subjects: Manures; Fertilizers; Poultry