A Comparison Between Chemical and Biological Index for Measuring Compost Quality

Although technologies for making compost are well developed, index for assessing the quality of product is a difficult issue. There are several parameters in the literature and the subject have been reviewed several times. Some problems related with topic of compost quality or maturity are the wide diversity of substrates which can be composted, the wide number of index proposed and the lack of results of applying the index to compost from different origins and nature. In our point of view the main difficult is the lack of a patron.