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- Title
Application of boric acid doses in association with tannery sludge in the early development of black pepper.
- Authors
Glaydson da Rocha PINHO, Leandro; PISKE, Wellington Raasch; BITENCOURT, Luciene Lignani; CHISTÉ, Loren; da Silva BERILLI, Sávio
- Abstract
Information on the effects of boron and tannery sludge application on the growth and development of black pepper is insufficient to support the recommendations of these inputs for the crop. The present experiment establishes adequate doses of boric acid in combination with the application of industrial waste from leather processing plants for the development of the black pepper cultivar ‘Bragantina’. We conducted the experiment in a greenhouse at IFES -Itapina Campus, Colatina city, Espírito Santo State, Brazil. For that, we used B horizon samples of a Red--Yellow Argisol as substrate. The experimental design was completely randomized in a factorial scheme with four replicates. Treatments consisted of three boric acid doses (0; 2; 4 mgdm-3) in association with three tannery sludge doses (0; 0.125; 0.250 dm3dm-3) up to the vessel volume (18 dm-3), with 14 sampling times. We assessed the following variables: vegetative plant growth; symptoms of boron deficiency and/or toxicity; soil pH; boron content. Soil application of boric acid showed considerable results in the early development of black pepper plants; the dose with the best response was 2 mgdm-3. Using tannery sludge doses of 0.125 and 0.250 dm3dm-3in the substrate was lethal for black pepper.
- Subjects
BLACK pepper (Plant); BORIC acid; INDUSTRIAL wastes; PLANT growth; BORON deficiency
- Publication
Cientifica, 2020, Vol 48, Issue 3, p257
- ISSN
0100-0039
- Publication type
Article
- DOI
10.15361/1984-5529.2020v48n3p257-263