Brazil is the largest citrus producer in the world.
Modern technologies have been commonly used by farmers all across the country, resulting in environmental contamination and low incomes due to low energy efficiency. Nowadays there is a strong tendency from farmers to replace synthetic chemicals for natural occurring ones. Soil resistance to impact penetrometer tended to be less pronounced in these plots than in the control. Mite populations were higher in plots with EM sprayed to the foliage. Studies on the application of microorganisms in nature farming.