Effect of foliar nutrition of phosphorous and potassium on vegetative growth characteristics and yield of broad bean

Abstract

Factorial field experiment was carried out during the winter season of 2015/2016 season in a private farm located in Al-Hashemia (20 km south of Hilla city), to study the effect of phosphorus and potassium as foliar fertilizer on vegetative growth characteristics and yield of broad bean. Randomized complete block design (RCBD) with factorial experiment and three replications were used, which included three concentrations of potassium (K2O), K1, K2, and K3 (1000, 2000 and 3000 mg.L-1 respectively) as well as the control K0( spray distilled water only) which represented the first factor, and three concentrations of phosphorus (P2O5) , P1, P2 and P3 (1000, 2000 and 3000 mg.L-1 respectively) as well as the control P0 (spray distilled water only) which represented the second factor . Broad bean seed were seeded on ridges in15/10/2015. The data were analyzed and the averages were compared according to less significant difference(LSD). The results showed that K3 (3000 mg K20.L-1) caused significant increasing in most vegetative growth traits (plant height, branches.plant-1, pod length and pod weight). Spraying phosphorus concentration at 3000 mg P2O5.L-1 (P3) was superior by giving highest rate of plant height, branches.plant-1,while phosphorus concentration at 2000 mg (p2) gave highest rate of pod length and pod weight. The interaction between the factors had a significant effect on all studied traits.