Efecto del riego deficitario controlado en el cultivo de pimiento (Capsicum annuum L.) utilizando la tina de evaporación clase A, en Río Verde, Santa Elena, Ecuador

Abstract

The research aimed to evaluate the effect of different 40% irrigation sheets; 60%; 80%; 100% and 120% of crop evapotranspiration (ETc) using the evaporation tub class A, applied with a drip irrigation system on the pepper's agricultural yield. The randomized complete block design with five treatments and five replicas was used; The treatment means were compared according to Tukey (≤ 5%). The agricultural yield of the 80%, 100% and 120% treatments of Evapotranspiration showed statistical similarity. Regarding deficit irrigation, 80% of ETc 46166.2 kgha^-1 treatment stands out; 40% and 60% treatments reached yields greater than 39 tons per hectare, with efficiencies of 49.83 and 35.59 kgm^-3 respectively. The regression analysis indicates the maximum average yield expressed in the quadratic equation for the ETc sheet 107%, the coefficient of determination is 0.95. The economic analysis shows the treatment 80% with a marginal return rate higher than the other variants Irrigation under study.