The present investigation entitled 11 Effect of tour doses of calcium phosphonate - Boro cultivation charapita pepper ( Capsicum frutescens L. ) , in the province of San Martin Lamas 11 aimed to determine the most effective dose of calcium phosphonate - Boro in the development and performance of the pepper crop charapita and perform economic analysis of the treatments under study , for which 4 treatments were evaluated: TO (no application) , T1 (0.25 l.ha-1 of calcium phosphonate - Boro), T2 (0.50 l.ha-1 of calcium phosphonate - Boro ) and T3 ( 0.75 l.ha-1 ·of calcium phosphonate - Boro ) T4 ( 1.0 l.ha-1 of calcium phosphonate - Boro ) . The parameters evaluated were: plant height, number of flowers per plant, number of fruits per ptant, fruit diameter, fruit length, fruit weight per plant per treatment, t ha -1 yield, and finally made an economic analysis of all treatments studied. The...