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Ethnopedology in production units at Canto da Ilha de Cima, São Miguel do Gostoso-RN, Brazil

Ethnopedological studies in family units tend to contribute to the academy with respect to the importance of knowledge exchange, allowing the understanding on the local reality of a community. The objective of this study was to conduct an ethnopedological study in production units at the Settlement Project Canto da Ilha de Cima – RN, Brazil, and to infer on their interrelationships of knowledge. Participatory workshops and transverse walks were carried out and soils were classified by means of Ethnopedology. The soils were classified using etic and emic approaches, respectively: Inceptisol - CAMBISSOLO HÁPLICO Carbonático típico (Terra Boa or Malhada de Boi) (P1); Oxisol - LATOSSOLO AMARELO Eutrófico típico (Terra de Arisco) (P2); Ultisol - ARGISSOLO VERMELHO AMARELO Eutrófico típico (Terra de Arisco Branco Amarelado) (P3); Oxisol - LATOSSOLO AMARELO Eutrófico típico (Terra de Piçarro) (P4); Ultisol - ARGISSOLO AMARELO Eutrófico abrúptico (Terra de Arisco) (P5) and Inceptisol - CAMBISSOLO HÁPLICO Tb Eutrófico típico (Terra Boa or Velha Chica) (P6 and P7). In the emic survey, farmers described as fertile and better for agricultural activities the soils in the following areas: “Terra Boa” or “Malhada do Boi” (P1) and “Velha Chica” or “Terra Boa” (P6 and P7), corroborating the etic classification, based on the parent material. The soils in these areas were classified as Inceptisols (CAMBISSOLOS), which have higher natural fertility.