Indicadores da qualidade do solo de propriedades em transição agroecológica.

Abstract

A family farm with agroecological base, has spurred significant changes in the lives of farming families, either in soil management in relation to the environment, eating habits, food security, or even productive autonomy. In this perspective, assessing soil quality within systems (for conventional agroecological) agroecological transition may provide better understanding of the effects of this system of cultivation. In search of the sustainability of agricultural systems, using indicators in the monitoring of soil conditions constitutes an important tool for decision making in the conduct of productions. The objective of this study was to compare physical, chemical, biochemical, microbiological and thermogravimetric soils of the rough mesoregions of Paraíba in agroecological transition properties. This study was developed in Meso - Heath of the Wasteland Paraíba. Soil samples were collected on properties of farmers in agro-ecological and conventional cropping system, which were subjected to different indicators of soil sustainability. Chemical indicators nitrogen, light organic matter, total organic carbon and organic matter showed higher correlation and sensitivity as the use of soil quality indicators in agro-ecological transition. Thermogravimetry showed potential in the identification of soils in relation to organic matter content of agricultural soil.