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Multivariate analysis of chemical and physical attributes of quartzipsamments under different agricultural uses.
The inadequate agricultural management in the semiarid region of northeastern Brazil, associated with the fragility of most soils, has caused degradation of the quality of this resource. This study ai... ...
Physical attributes of ultisol of Brazil's Northeastern semiarid under organic farming of wine grapes.
The purpose of this study was to evaluate the effects of organic farming of wine grapes under physical and chemical characteristics of Ultisol Brazil?s northeastern semiarid region. The samples of soi... ...