Maturation parameters for organic composts differents

Abstract

The objectives of this study had been to evaluate chemical parameters as preditivos of the maturationand quality of organic composites of distinct composition. Four stacks of composting with residues of the process of industrialization of medicinal plants and straw had been mounted bovine, mixing the materials in ratios that balanced relation C/N in 30/1. For determination of maturation parameters (pH, electriccondutivity, ammonium texts and nitrate, polymerization index, total carbon, total nitrogen and C/N ratio) samplings to the 0 had been made, 30, 60, 90 and 120 days of composting. To the 90 days of composting, all the materials already presented the minimum requirements demanded by the legislation for quality composts. The composts produced from different materials had presented distinct characteristics in the end of the process. Of the parameters evaluated for prediction of the degree of organic compost maturation, relation C/N and texts of nitrate and ammonium had been considered the with predictives of all phases of the composting.