Peculiarities of yield and seed quality formation of soybean variety lira depending on sowing date

OIL CROPS. Scientific bulletin. VNIIMK, 2006, iss. 1 (134). The analysis of 4-year results of field experience on studying of 6 sowing dates is given. Differenced reaction of soybean variety Lira on sowing date depending on weather conditions in clear advantage for seed yield of period 10-30 May is revealed. For receiving of high quality sowing seeds of this variety the sowing date has been postponed on later time (10-15 June).