Macronutrient contents in okra plants under different sources and levels of organic matter on soil

Lourival Ferreira Cavalcante, Adriana Araujo Diniz, Luís Carlos Francisco dos Santos, Alex Matheus Rebequi, Járisson Cavalcante Nunes, Míriam Alice da Silva Brehm

Abstract


An experiment was carried out during the period of November of 2001 to April of 2002 in order to evaluate the effects of sources and doses of organic matter on leaf mineral composition of okra cv. Santa Cruz. The treatments were distributed in a randomized blocks design with four replications with 25 holes with two plants in each plot. The treatments were arranged in a 3x4 factorial design, with three sources of organic matter: cattle manure, chicken manure and caprine manure incorporated at soil in four levels in volume of: 0.0; 5.0; 10.0 and 15.0% of the hole (capacity for 48 liters). Okra plants treated with chicken manure had higher foliar content of calcium, magnesium and phosphorus; with the goat manure the higher content of potassium, and with bovine manure higher values of nitrogen in leaf dry matter of plants, but with no difference among doses of manure.


Keywords


Organic fertilization; Leaf mineral composition; Abelmoschus esculentus



DOI: http://dx.doi.org/10.5433/1679-0359.2010v31n1p19

Semina: Ciênc. Agrár.
Londrina - PR
E-ISSN 1679-0359
DOI: 10.5433/1679-0359
E-mail: semina.agrarias@uel.br
Este obra está licenciado com uma Licença Creative Commons Atribuição-NãoComercial 4.0 Internacional