The present invention relates to a process for preparation of ready to use liquid bio-formulations with improved shelf life based on the biodecomposition agent(s). Trichoderma sp. with their conidial spores and the biodecomposer product obtained thereof are reported. The liquid bioformulation can be blended directly with or without the addition of other formulant(s) to obtain a ready to use product complying the application requirements for use in degradation or decomposition of wheat stubble. The effect of various amendments on the preservation of the viability and competitiveness, in vitro, of fungal mycelium and spores in a liquid formulation was determined.
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