Abstract
The objectives of this work are: a) Identify the iron oxides clay Oxisol techniques using X-ray diffraction and Diffuse Reflectance. In an area of 300 hectares will be bounded a transect of approximately 2,500 meters and a sampling grid. Along the transection in a range of 30 meters, sampling points are located in a total of 83 points. In the sampling grid covering the whole area, the sam…