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Abstract
Objective: To evaluate if the application of calcium carbonate on the soil and to the leaf inf luences the weight and number of fruits in rocoto pepper grown under greenhouse conditions.Design/Methodology/Approach: The study was carried out in the greenhouse of the Facultad de Ciencias Agrotecnológicas, of the Universidad Autónoma de Chihuahua. The Taguchi method was used to develop the 13 treatments, with two factors, five levels per factor, and five repetitions per treatment, using 65 plants under study. Data was analyzed using the quadratic response surface technique, fitting the surface to determine factor levels for optimal response.Results: Reducing soil CaCO3 by 9% and increasing leaf CaCO3 by 100% was necessary to obtain the highest weight in the three harvests (234.8 g).Findings/Conclusions: A rise in the number of rocoto peppers (from 59 to 70, in the three harvest periods) required an increase in the soil and foliar CaCO3 by 8.5% and 100%, respectively.