Effect of phosphorus and zinc fertilization on some nutrients content of mango seedlings.
Sharaf M. M., Awad S. M., Sharaf A. N., Abu-El-Azm S. K.
Author Affiliation: Hort. Dept. Fac. of Agric., Moshtohor Zagazig Univ., Egypt.
Arab Universities Journal of Agricultural Sciences 9 : 313-335
Abstract : The effect of P-soil application (0, 25, 50 and 100 ppm KH2PO4), applied with 0, 5 and 10 ppm Zn (ZnSO4) as soil drench or with 0, 0.125, 0.25 and 0.50% Zn as foliar spray, on the nutrient content of 6-month-old mango seedlings was investigated in a greenhouse. Application of P with Zn, either as soil or foliar treatment, increased the contents of most nutrient elements (N, P, K and Zn) in the leaves, stems and roots of mango seedlings. P at 100 ppm, applied with Zn as soil drench at 20 ppm or as foliar spray at 0.50%, gave the highest nutrient contents compared with the other treatments.