The total plant biomass, leaf area, root:shoot ratio and root length in sorghum
variety (Piper) seedlings from seeds coated with either Geohumus or
Stockosorb as well as the uncoated seed and grown under 2 levels of drought
and fully watered conditions. Bars on graphs represent the standard error of
means and bars at the bottom of each graph represent the least significant
difference at α = 5 %