Journal of Food, Agriculture and Environment

Swine wastewater associated with mineral fertilization in blackoat (Avena sativa) cultures: 8^th production cycle

Author(s):

Nathalie C. H. Kessler ^1*, Silvio Cesar Sampaio ¹, Mauren Sorace ¹, Naimara Vieira do Prado ¹, Denise Palma ¹, Edison da Cunha ¹, Lisdefferson Hamann Andrade ¹

Recieved Date: 2012-08-20, Accepted Date: 2013-04-30

Abstract:

This study aimed to evaluate the agronomic and environmental aspects in the blackoat crop, soil and leaching due to the combination of swine wastewater and mineral fertilizers. The experimental area has a history of application of wastewater from pig farming, with experiments conducted since 2006, following the production cycles of corn, soybeans, blackoat, soybeans, blackoat, babycorn, corn and blackoat, which is the eighth cycle conducted in the area. It was applied four doses of swine wastewater, with the presence and absence of mineral fertilizer, consisting eight treatments. Agronomic and nutritional parameters, chemical analysis of soil and leaching material were determined. The experimental design consisted of randomized blocks in factorial scheme (4×2) with three replications. The results were submitted to ANOVA and means compared by Tukey test at 5% significance level for all parameters. The swine wastewater can be used, provided that the P, N and S are complemented by specific fertilization. Attention should be given to the accumulation of Cu⁺² and Zn⁺² in the soil and in the leaching of Cu⁺², Fe⁺², Mn⁺², NO₃^–+NO₂^–, Na⁺ and Zn⁺².

Keywords:

Water reuse, soil contamination, leaching

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 2
Category: Environment
Pages: 1437-1443

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