TY JOUR TI Influence of abiotic factors on seed productivity of red clover (Trifolium pratense L.) in subarctic conditions of the Russian Federation KW Trifolium pratense KW seed productivity KW variety KW air temperature KW precipitation KW semination of inflorescences KW set of seed KW correlation JO Adaptive Fodder Production AU Korelina, V.A. PY 2019 IS 2019 PB Federal Williams Research Center of Forage Production and Agroecology