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Role Of Woody Biochar And Fungal-Bacterial Co-Inoculation On Enzyme Activity And Metal Immobilization In Serpentine Soil, Tharanga Bandara, Indika Herath, Prasanna Kumarathilaka, Mihiri Seneviratne, Gamini Seneviratne, Nishanta Rajakaruna, Meththika Vithanage, Yong Sik Ok
Role Of Woody Biochar And Fungal-Bacterial Co-Inoculation On Enzyme Activity And Metal Immobilization In Serpentine Soil, Tharanga Bandara, Indika Herath, Prasanna Kumarathilaka, Mihiri Seneviratne, Gamini Seneviratne, Nishanta Rajakaruna, Meththika Vithanage, Yong Sik Ok
Biological Sciences
Purpose
In this study, we investigated the effect of biochar (BC) and fungal bacterial co-inoculation (FB) on soil enzymatic activity and immobilization of heavy metals in serpentine soil in Sri Lanka.
Materials and methods
A pot experiment was conducted with tomatoes (Lycopersicon esculentum L.) at 1, 2.5, and 5 % (w/w) BC ratios. Polyphenol oxidase, catalase and dehydrogenase activities were determined by idometric, potassium permanganate oxidisable, and spectrophotometric methods, respectively. Heavy metal concentrations were assessed by 0.01 M CaCl2 and sequential extraction methods.
Results and discussion
An increase in BC application reduced polyphenol oxidase, …