Irrigation water quality in the Salinas-MG region, Brazil - DOI: 10.7127/rbai.v1601287

Resumo

This study aimed to evaluate the risk of salinity and sodicity of surface and underground water used for irrigation purposes on rural properties in the municipality of Salinas/MG, Brazil. The water samples were collected at a catchment point used by irrigators, and the physical-chemical parameters evaluated were: pH, sodium (Na) content, calcium (Ca) content, magnesium (Mg) content, electrical conductivity (CE), and sodium adsorption ratio (SAR). The latter was calculated to classify water as a function of risk of salinity and soil sodification. Groundwater was rated as class C3 (high salinity) while surface water as C1 (low salinity). As for soil sodification risk, groundwater was moderate, while the other samples were severe.