THE EFFECT OF METHANOL AND NITROGEN ON SEED YIELD AND YIELD COMPONENTS OF SOYBEAN IN NORTH OF IRANM. Ashouri, E. Amiri and S.M. Sadeghi
Experiment with factorial arrangements on the basis of randomized complete block design in three replications were conducted in 2011, to evaluate seed yield and yield components of soybean under four nitrogen levels of 0, 30, 60 and 90 kg ha-1 and 0, 20, 30 and 40 methanol volumetric percentages at experimental field in Lahijan. Seed yield were 1800, 2100, 2400 and 2500 kg ha-1 in N1 to N4 respectively. Seed yield were 1750, 2100, 2300 and 2350 kg ha-1 in M1 to M4 respectively. Seed yield were maximum in N4M4 and N3M3 and minimum in N1M1 respectively. In yield components, number of pods in plant had important role in increment of seed yield. Number of pods was maximum N4M4, N4M3, N3M3 and N3M4 and minimum in N1M1 respectively.
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