ABSTRACT Soil organic matter is an important primary source of nutrients for plants and influences infiltration, water retention, susceptibility to erosion, and soil aggregation. However, this process is conditioned on the quality and quantity of organic matter supplied. The objective of this study was to evaluate the influence of the environmental disaster caused by rain in areas of horticulture production in the mountainous region of Rio de Janeiro. The following areas were selected: A1- no impact (control); A2 – totally […]