A-342 : Hydrogeological characteristics of underground water in Plovdiv region, using for melioration  Krasimira Staneva, Assoc.prof., PhD  Agricultural University-Plovdiv  12 Mendeleev str.  4000 Plovdiv    The underground water is an element of irretrievable mineral recourses of the country. The water is an important abiotic component of ecosystems.  The aim of investigation was related to hydrogeological […]