Effect of foliar spray with different potassium sources and zinc rates on growth and yield of sweet potato (ipomoea batatas l.)
By: Abu al-Salihin, Isam Husayn; Fikri, Wafa Adil; Wahdan, Hilmi Muhammad…[et al.]. Journal of Productivity and Development. Vol. 25, no. 2 (2020), pp.231-246, 16 p.
Subjects: Agriculture; Liquid fertilizers; Potassium silicate; Sweet potatoes; plants' leaves