Qualidade da água utilizada para irrigação de hortaliças na região de Botucatu-SP

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2007-04-01

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Resumo

This work had as objective verifies the water quality used for irrigation by the vegetables producers of Botucatu-SP area. They were interviewed 27 producers that sell vegetables in the street markets of Botucatu. Among these producers, ten were selected, being one of each place. Three samples of water of each source were collected. The main standard to evaluate the obtained results were the CONAMA Resolution (National Environment Council) N° 357, March 17, 2005, that it establishes the standard for water classification. The Electric Conductivity was evaluated of agreement value suggested by CETESB and the color was verified according to OMS (Health World Organization), for potable water due to CONAMA Resolution not to stipulate a value for classification. For the public health, just the coliformes and nitrate are the preoccupying variables for they be related with the incidence of diseases, so, the analyzed waters, 40% of them (A, F, H and J producers) offer some risk for the health of Botucatu population, second established standard for CONAMA. We can to conclude that in a general way, those waters, are in conditions no alarming, because they don't present values very different from those established by the legislation.

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Português

Como citar

Irriga, v. 12, n. 2, p. 144-155, 2007.

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