Abstract
AbstractBACKGROUNDThis paper details the results of solubilization of phosphates in spent mushroom substrate (SMS). As a substrate for the process, bones as a source of phosphates and SMS as medium were used.RESULTSThe process was conducted for 9 months and at the end of the process the substrate obtained was characterized as having a two times higher amount of available phosphorus (express as P2O5), which was confirmed by FTIR and SEM‐EDX analysis. A decrease in pH was observed. Strong correlation was found between temperature and the effectiveness of the process (P=0.000, r = 0.772). Solubilization combined with the degradation process lowered the C/N ratio from 13.6:1 to 11.7:1. The utilitarian properties of the substrate obtained were evaluated in germination tests.CONCLUSIONThe substrate obtained was characterized as having two times more available phosphorus and can serve as a biofertilizer for the cultivation of plants. © 2016 Society of Chemical Industry
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