Dr. Henrique Antunes de Souza graduated as an Agricultural Engineer from the Federal University of Lavras, Lavras, MG, Brazil, completed a Master's and Doctorate in Agronomy from the São Paulo State University "Júlio de Mesquita Filho", Jaboticabal, SP, Brazil, and is currently a Researcher at the Brazilian Agricultural Research Corporation (Embrapa Meio-Norte) in Teresina, PI, Brazil. He is a permanent professor at the Postgraduate Program in Agronomy at the Federal University of Piauí. He works in the following areas: soil fertility management, plant nutrition, use of fertilizers, correctives, conditioners, waste/by-products, and organic compounds, and integrated systems and crop–livestock–forest integration.