Qualidade de água usada na agricultura urbana na cidade do Recife
Vicente de Paula, Mário T. Kato, Lourdinha Florêncio
Revista Brasileira de Engenharia Agrícola e Ambiental
Urban Farm DB summary
A study evaluated the physicochemical and bacteriological quality of water used to irrigate vegetables in an urban agriculture area along the BR-101 southern ring road in Recife, Brazil. Water samples were collected from six existing wells in the agricultural area during the dry season, October to December 2003, and analyzed for physicochemical parameters (electrical conductivity, Ca2+, Mg2+, Na+, K+, Cl-, HCO3-, nitrate-N, ammonium-N, pH, and sodium adsorption ratio) and fecal coliform. The physicochemical quality of the irrigation water showed no risk of soil salinization or alkalinization, nor of specific toxicity to plants.