Potassium fertilization in protected cultivation of sweet pepper under organic system
Journal Title: Revista Verde de Agroecologia e Desenvolvimento Sustentável - Year 2019, Vol 14, Issue 2
Abstract
The vegetables grown in a shaded environment have been gaining more space in front of the open field planting system. Among the vegetables, it stands out the pepper, being among the ten most produced crops. The objective of this study was to evaluate the efficiency of potassium sources and fertilizers in the nutrition of pepper plants (Capsicum annuum L.) under an organic system. The experimental design was a randomized complete block design, using two sources of potassium: potassium sulphate (50% K) and wood ash (5,84% K) and six blocks, each with three plants. ash yielded higher performance in relation to the following variables: number of fruits per plant, mean fruit mass, fruit length, pulp thickness, commercial productivity. With chemical variables, fertilization with wood ash yielded superior results for soluble solids, vitamin C, and titratable acidity. On the basis of the results obtained, it can be concluded that the treatment with wood ash fertilization was promising regarding the physical characteristics and, for the pH only, lower values were obtained than the other treatments. use of wood ash as a source of nutrition for sweet pepper plants resulted in higher commercial productivity.
Authors and Affiliations
William Ralf Santos Costa, Pedro Henrique Máximo de Souza Carvalho, Paulo Augusto da Costa Pinto
Keywords
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- EP ID EP620699
- DOI 10.18378/rvads.v14i2.6134
- Views 139
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