WATER FOOTPRINT IN NITRATE VULNERABLE ZONES: MINERAL vs. ORGANIC FERTILIZATION. - Francisco Ribas Elcorobarrutia; REQUEJO MARISCAL, MARIA ISABEL; VILLENA GORDO, RAQUEL; CASTELLANOS SERRANO, MARIA TERESA; ARCE MARTINEZ, AUGUSTO; CARTAGENA CAUSAPE, MARIA CARMEN; TARQUIS ALFONSO, ANA MARIA (Geophysical Research Abstracts, Vol. 19, Egu 2017 [Www.Geophysical-Research-Abstracts.Net], 2017)