TY  JOUR
TI  SPRING WHEAT CLOGGING BY CONVOLVULUS ARVENSIS INFLUENCE FOR PRODUCTIVITY INDICATORS IN FOREST-STEPPE OF SAMARA REGION
KW  arvensis
KW  convolvulus
KW  spring
KW  wheat
KW  elements
KW  efficiency
KW  losses
JO  Bulletin Samara State Agricultural Academy
AU  Sharapov, I.I.
PY  2016
IS  1
PB  Samara State Agrarian University