TY - CPAPER AU - Feodor Filipov TI - THE EFFECT OF THE DRIP IRRIGATION ON SOIL WITH FINE TEXTURE AND HARDPAN IN PLASTIC TUNNELS FROM NORTH - EAST OF ROMANI T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Water Resources. Forest, Marine and Ocean Ecosystems PY - 2018 SP - 535 EP - 542 DO - 10.5593/sgem2018/3.2/s13.070 PB - STEF92 Technology ER -