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|Title:||Soil Chemical Attributes Of A Dystroferric Red Latosol (oxisol) Treated With An Alkaline Effluent From A Pharmaceutical Industry|
Da Costa A.C.S.
|Abstract:||Effluents from different industrial supply conglomerates are often discarded in the environment without proper treatment. The concern for an economically viable industrial production line, which is both environmentally sound and socially acceptable, is increasing. Some of these effluents are alkaline in nature and may be used as an alternative to chemical conditioners for acidic soils in agricultural systems. This research aimed to evaluate changes in the chemical attributes of a Dystroferric Red Latosol (Oxisol) after application of an effluent from a pharmaceutical industry. The experiment was conducted in a greenhouse using PVC tubes of 1-m length and a 0.2-m diameter filled with soil and different doses of the effluent. After 3 days, 100 mm of water was applied to each treatment. The PVC tubes were incubated for 30 days; thereafter, the tubes disassembled, and soil chemical analysis were made at different soil depths: 0-0.2, 0.2-0.4, 0.4-0.6, 0.6-0.8, and 0.8-1.0 m. The effluent applications significantly altered the soil elements in the 0-0.2 m layer, increasing the concentrations of K+, P, Mn2+, Na+, Cu2+, H+, Ca2+, Al3+ and the soil pH. In the subsurface layers, the concentration of the elements Zn2+, Cu2+, K+, and Na+ also changed significantly. In general, the application of pharmaceutical industry residue improved soil chemical attributes.|
|Editor:||Universidade Estadual de Londrina|
|Citation:||Semina:ciencias Agrarias. Universidade Estadual De Londrina, v. 37, n. 5, p. 3037 - 3046, 2016.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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