Evaluation of indigenous materials as MI [microbial inoculant] carriers
2004
Corales, R.G. | Sajor, J.T. | Asis, C.A. Jr | Tadeo, B.D.
This study is determining better MI [microbial inoculant] carriers from indigenous materials that will provide an environment conducive for microorganisms to survive and multiply. Rice bran (RB), carbonized rice hull (CRH), sawdust (SD), and corn cob (CC) either used individually or their mixtures were evaluated as MI substrates. The substrates were sterilized for 1 hr at 121 deg C then MC was adjusted to 40% by adding distilled water. Three percent EM [effective microorganisms]-1 was inoculated into the substrates at 1 ml/50 g substrates then incubated at room temperature for 1 week. The microbial density in each substrate was counted after the incubation period. Most of the substrate tested showed potential as microbial inoculant carriers except for CRH alone. This was expected because CRH is a product of high thermal conversion, killing most if not all microorganisms. Other materials are being evaluated
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