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- Title
EFFECT OF FOLIAR-APPLIED TANNERY SLUDGE ON GROWTH AND PHYSIOLOGY OF PASSIFLORA EDULIS SEEDLINGS.
- Authors
Amaro de Sales, Ramon; da Silva Berilli, Sávio; Cellim Pereira, Lucas; Braido Pinheiro, Ana Paula; Rodrigues Ribeiro, Wilian; Cândido Gabriel Berilli, Ana Paula Cândido Gabriel
- Abstract
Today, industries are increasingly concerned about the disposal of their waste. One of the proposed solutions to deal with certain wastes is through agriculture in the form of fertilizers. Thus, the objective of this study was to evaluate the effect of liquid tannery sludge as foliar fertilizer on the growth and physiology of passion fruit seedlings. The experiment was conducted in a greenhouse, in a randomized block design with six replications. Six treatments were applied to leaves: tannery sludge diluted in water (132, 263, 395 and 527 mL L-1); only water (control); and the conventional treatment. The following growth characteristics were evaluated: leaf production, plant height, crown diameter, stem diameter, total fresh matter and dry matter of the plants. The physiological characteristics evaluated were the indices chlorophyll, nitrogen balance, flavonoids, anthocyanins, and plant color. The flavonoid index increased in plants that received foliar application of 527 mL L-1 without compromising the other characteristics evaluated. The doses 263, 395 and 527 mL L-1 showed the best results for the growth characteristics, equaling those of the conventional treatments. Foliar application of tannery sludge can be recommended for yellow passion fruit seedlings.
- Subjects
TANNERIES; SEEDLINGS; PASSION fruit; PLANT physiology; FERTILIZERS
- Publication
Engenharia na Agricultura, 2020, Vol 28, Issue 1, p549
- ISSN
1414-3984
- Publication type
Article
- DOI
10.13083/reveng.v29i1.9970