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vol.31 issue4FERTIGATION OF SUNFLOWER CROPS USING LANDFILL LEACHATESUGARCANE CROPS WITH CONTROLLED WATER DEFICIT IN THE SUB-MIDDLE SÃO FRANCISCO VALLEY, BRAZIL author indexsubject indexarticles search
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Revista Caatinga

Print version ISSN 0100-316XOn-line version ISSN 1983-2125

Abstract

TAVARES, PATRICIA DIAS et al. SOIL QUALITY UNDER AGROFORESTRY SYSTEMS AND TRADITIONAL AGRICULTURE IN THE ATLANTIC FOREST BIOME. Rev. Caatinga [online]. 2018, vol.31, n.4, pp.954-962. ISSN 0100-316X.  http://dx.doi.org/10.1590/1983-21252018v31n418rc.

In the present study, we evaluated the influence of agroforestry systems and traditional agriculture on the physical attributes and biologicals of soil, using as reference a native forest area in Paraty, RJ. Levels of total soil organic carbon, as well as oxidizable fractions and aggregate stability, were analyzed, in addition to the activity and carbon and nitrogen content in the soil microbial biomass, in the 0-5 cm layer, in two distinct seasons (dry and rainy seasons). The agroforestry systems and traditional agriculture maintain high levels of total organic carbon and its storage in more stable fractions. These systems provide the same conditions as those of the forest area for the aggregation of the soil. The microbial biomass was more responsive to variations in management and seasonality. The deployment of agroforestry systems contributes to the formation of a more diversified agricultural matrix, promoting improvements in the soil quality and connection with the remaining adjacent forest.

Keywords : Local knowledge; Soil aggregation; Soil microbial biomass; Soil organic carbon..

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