Effects of IMO and EM application on soil nutrients, microbial population and crop yield

I. Illani Zuraihah, Z. Aini and M. Faridah

Abstract
The performance of indigenous microorganisms (IMO) and effective microorganisms (EM) on leafy vegetables (Brassica alboglabra, Brassica chinensis and Lactuca sativa) grown under rain shelter was evaluated. Results at the end of the planting season showed that microbial populations were significantly (p <0.05) higher in soil inoculated with EM compared to IMO, urea and normal compost. The increase in microbial populations ranged between 5.45 and 7.12 log10 cfu/g in line with the increase in soil pH. Assessment of the application of IMO and EM showed no significant differences in yield performance, antioxidant levels in vegetable leaf samples and soil nutrient status.

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