Conservation practices agro systems for sustainable development [Pratiques de conservation des agro systèmes en vue du développement durable]

Our objective is to design systems at a low level input that is both productive and conservative for sustainable development,knowing that the degradation of arable land represents a global threat to the long-term agricultural production and the soil natural resource. as part of our work,we are interested in studying the influence of different cultural practices ie direct sowing and reduced work and describe,understand and know their impact on the physical,chemical and biological functioning of ground for sustainable management. since these techniques tend to limit the effects of tillage erosion,minimize the cost and labor,protecting the resource sol.et contribute to economy vital factor water.