Vinicius de Melo Benites

IntroductionBrazilian agriculture is concentrated in the tropical and subtropical zone, where soils are highly weathered and chemically infertile, demanding amelioration by liming and high amounts of plant nutrient inputs (Cantarella et al., 1998). In Brazil, soybean is the main crop both in scale and in value, covering ~38 M ha with an average yield of 3.5 t ha−1 (Cattelan and Dall'Agno ...