TY  JOUR
TI  ANALYSIS OF FACTORS INFLUENCING ON SPRING WHEAT PRODUCTIVITY IN THE CONDITIONS OF GRAY FOREST SOILS OF THE REPUBLIC OF TATARSTAN METHODS OF MAIN COMPONENTS
KW  spring wheat
KW  mutual influence of factors
KW  the method of principal components
KW  data visualization
JO  Vestnik of Kazan State Agrarian University
AU  Ibyatov, R..
AU  Shaykhutdinov, F..
AU  Valiev  , A..
PY  2019
IS  14
PB  Kazan state agrarian University