TY JOUR TI EVALUATION OF EFFECTIVENESS OF STATE PROGRAMS OF CROP FARMING DEVELOPMENT IN THE ASTRAKHAN REGION KW agricultural policy KW structural changes KW farm specialization KW crop productivity KW crop acreage KW whole yield KW production potential JO Vestnik of Astrakhan State Technical University. Series: Economics AU Vaichulis, A.. AU Golovin, A.. PY 2016 IS 2016 PB Astrakhan State Technical University