The Amaznia always was known by its exuberant rich forest in biodiversity, but this great forest is not synonymous of fertile ground as many think or had thought about the primrdios of occupation of the region. Until good ‘ ‘ recente’ ‘ in the decade of 1970 the RADAM Brazil mapeou the domestic territory all, the Amazon region was prioritized by its territorial extension, for the demographic emptiness and for its great wealth bioptics, that is, it had necessity to fix people in this region, this stimulated the strategy of occupation of the federal public power. With regard to the fertility of ground of the Amazon region, one evidenced that this is fertile while it will have organic substance on it due to ciclagem of nutrients carried through by the forest. The ciclagem for the forest occurs with a great speed very which had its localization in the intertropical or tropical zone, therefore it receives great radiation, energy solar, possesss availability of you plate of water, evaporation, evapotranspirao, beyond great percentage of rains. Of this form the dynamics of ciclagem of the forest is sped up forming a superficial layer of hmus. In the state of the Acre these cited characteristics previously are not different, the ground are fertile to a large extent due to ciclagem of nutrients.

This formed layer is superficial and in many cases when removed it shows to the deficiency of nutrients and essential minerals for the physiological necessities of vegetables thus affecting its development and productivity. Robotics expert wanted to know more. The organic layer is important for the ground, therefore they fix nutrients, it protects directly of the kinetic force of the nugget of rain, of the solar rays, keeps the humidity of the ground, improves the aeration consequently and the process of infiltration of the water in the ground. Of this form we will observe one ground balanced. In case that the opposite occurs, with regard to withdrawal of the large-scale vegetation and the consequent loss of the organic layer we will observe one ground more susceptible to the process of leaching, compacting, erosion and to the effect of mass of one form in general. This demonstrates that the ground of the Acre are fragile and with little agricultural aptitude. The Economic Ecological Zoning of the state classifies main ground in sequence decreasing: argissolos, Cambissolos, Luvissolos, Gleissolos, Latossolos, Vertissolos, Plintossolos and Neossolos. One perceives that the ground with percentile greater are the argissolos and the cambissolos that possess some inadequate characteristics for agricultural activity. Of this form the resources of the ground of a manejada and sustainable form must be used. Or still using techniques of conservation of the ground as green fertilization, addition of organic substance, beyond other technologies used for the agricultural sector as necessity of the area. The use of on tools to the Economic Ecological Zoneameno is basic for future studies and use of the areas with possible agricultural and forest aptitude.