Abstract
Combining mineral and organic fertilizers is a common agricultural practice. However, the exclusive use of organic sources can be a viable option for crops with low nutrient demands grown in fertile soils. Thus, the objective of this study was to evaluate the possibility of replacing mineral fertilizers with manure under satisfactory soil chemistry parameters. The experiment was carried out with the radish (Raphanus sativus L.) cultivar Crimson Giant, which was grown in Eutrophic Red Latosol (oxisol) in the city of Patos de Minas, Minas Gerais, Brazil. The treatments consisted of cow manure, chicken manure, mineral fertilizers and a control. Root diameter, shoot dry weight and root dry weight were assessed at the end of the radish crop cycle. It was concluded that the cow manures or chicken manure can be used as the sole nutrient source for radishes grown in eutrophic soil with average or higher levels of phosphorus and potassium.
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