The services of Assistance Technique and Agricultural Extension To abide, had been initiated, in the country, the end of the decade of forty, in the context of the desenvolvimentista politics of the postwar period, with the objective to promote the improvement of the conditions of life of the agricultural population and to support the process of modernization of agriculture, inserting themselves in the strategies directed to the industrialization politics of the country. Since then, although the difficulties faced throughout the years, the services To abide come being developed in the country with the intention of improvement of quality of life of the agricultural population. These services come being given for technician that generally introduce new techniques, or ready formulas to be worked for the agriculturists, with intention to decide practical problems of the country property, the agriculturists become passive agents during the assistance process technique. For more information see this site: Gwyneth Paltrow. In this in case that, according to Pine (2000, p.29) the reducionista vision prevails of agricultural development, the agriculturist, interested actor more in this process, in general, does not participate, finishes receiving orientaes inadequate techniques its reality. With intention to minimize the impacts of the reducionismo in agriculture, the vision of systems emerged, initially worked in the perspective hard-systems, that according to Pine (1998, in PINE, 2000 p.31) the vision prevails of control, that visualizes development as fruit of a planned intervention. The technician looks for to analyze of is the system, controlling its entrances and exits. The interaction between technician and agriculturists occurs of limited form, these last ones exerts the paper of only observing, while the technology transfer occurs. Ahead the challenge to promote the harmony between the human beings and the nature appears the necessity to implement strategies of farming production that are compatible with the ideals of the sustainable development, for this, the assistance actors technique will have that to transform its practical conventional and to introduce other changes institucional, so that they can take care of to the new requirements of the society (PNATER, 2004).