TY  JOUR
TI  METHODS FOR PRODUCTIVITY OF SUNFLOWER HYBRIDS INCREASE BY USING ORGANIC MINERAL FERTILIZERS IN THE CONDITIONS  OF THE MIDDLE VOLGA REGION FOREST-STEPPE
KW  sunflower
KW  hybrid
KW  productivity
KW  fertilizers
KW  combination
JO  Bulletin Samara State Agricultural Academy
AU  Kiseleva, L.V.
AU  Zhizhin, M.A.
PY  2020
IS  5
PB  Samara State Agrarian University