@inproceedings{inproceedings6707d313, title = {Groundwater contamination by nitrate in the state of São Paulo (Brazil):: research results and implications for management}, author = {Hirata, Ricardo and Varnier, Claudia and Procel, Sandra and Cagnon, Fabiana}, year = {2014}, publisher = {University of Tsukuba}, booktitle = {Workshop on "Water, nitrogen, and agriculture in the State of São Paulo, Brazil"} }