Response castor bean (ricinus communis l.) To topping and some microelements in sandy soil
By: Ahmad, Shadiyah Qutub; Shalabi, Ibrahim Ahmad; Duwaydar, Ahmad Abd al-Aziz. Journal of Biological Chemistry and Environmental Sciences. Vol. 4, no. 1 (Mar. 2009), pp.883-897, 15 p.
Subjects: Poisonous plants; Seeds