TY JOUR TI PARAMETERS OF PRODUCTIVITY AND ECOLOGIC RESISTANCE OF CUCUMBER VARIETIES AND HYBRIDS IN THE OPEN GROUND KW cucumber KW variety KW hybrid KW indices of environmental conditions KW productivity KW ecological flexibility KW adaptability. JO Vestnik of Kazan State Agrarian University AU Sapega , V.. PY 2016 IS 11 PB Kazan state agrarian University