III. Results
The effects of variety, different levels of compost and N – fertilizer on the growth parameters of
soybean are shown in figures( 1-4).Variety effect was significant on the number of leaves and at 8 weeks after
planting variety TGx1842 – IE had the significantly highest number of leaves. Also on the height of the plants,
number of nodes per plant and branches, same trend was observed where TGx 1842- IE, was superior to other
varieties. (fig,1). Compost application rates have signi ficant effects on number of leaves, plant height, number
of nodes and branches per plant. At 10 weeks after planting, 2t/ha compost rate produced plants with the highest
number of leaves per plants followed by 4t/ha compost. At 8 and 12 WAP, compost rate of 4t/ha produced the
tallest plant which was not significantly different from 2t/ha compost rate application. This was also the trend
with numbers of nodes and branches. Application of N- fertilizer had no significant effect on all the growth
parameter studied, but there general improvement in crop performance with the application of 30, and 60 kg
N/ha fertilizer over non fertilized plants. (fig,2)
There was a significantly varieties effect on the number of flowers at 6 and 8 weeks after planting where variety
TGx 14 48-2E produced highest number of flowers. Also application of N fertilizer produced significantly effect
on soybean number of flowers at 6 WAP where the number increases with N fertilizer rate up to
60kgN/ha.(fig,3)