Abstract
A nursery experiment was carried out with Simarouba glauca Linn. seedlings to find out the best suitable biofertilizer in single or in combination for better growth and productivity. Seedlings were grown in the polybags inoculated with Azospirillum, Azotobacter and phosphobacteria @ 5 g per bag and VAM @ 10 g per bag and measured for seedling growth parameters on 45, 90, 135 and 180 days after sowing. The mean of the four stages were presented in the table for discussion. The results indicated that the combined application of Azotobacter and phosphobacteria significantly increased the shoot length and collar diameter. The inoculation of Azotobacter and VAM combination registered the maximum root length, number of leaves, root / shoot ratio, quality index and highest VAM colonization per cent. Whereas the total dry matter production and relative growth rate were higher for the combined application of Azospirillum, phosphobacteria and VAM. Phosphobacteria and VAM combination recorded the highest total leaf area.
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