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Carbon and nitrogen in the particle size fractions of soil organic matter in crop systems under no-tillage

Bruna Raquel Winck, Fabiane Machado Vezzani, Jeferson Dieckow, Nerilde Favaretto, Rudimar Molin

01/Jun/2014

Soil quality in no-till systems is related to the crop systems and may be evaluated through particulate organic matter (>53 ∝m) stock due to the functionality this property provides to the soil and its sensitivity to management practices. Aiming to assess soil quality no-till crop systems, this study was carried out through a long-term experiment (21 years) in a Latossolo Vermelho distrófico típico (typical Oxisol) in Ponta Grossa, PR, Brazil. Six crop systems were assessed. Wheat-TR (Triticum aestivum L.), soybean-SO […]