Total agriculture area has during the last decades been reduced because of urbanization, land deterioration, and inputs of chemicals. Today many farmers produce monocultures and the agricultural production system has been reaching far away from a natural system. Attention is now needed to establish and minimize environmental impacts through changes towards a more environmentally friendly agriculture, worldwide. The aim of this thesis has been to examine an agroforestry system in Babati to see if and how this agricultural system is a sustainable agricultural production system. Through the theoretical framework of this thesis the agroforestry system is compared to what current research frontier present as needed for a more environmentally friendly agriculture, with the main importance to obtain fertile soils.The case study were made through semi-structural interviews and observation between February and March 2016 and showed that the agroforestry system examined met many of the needs presented for a sustainable agriculture, through no tillage, low-input of pesticides and no fertilizers, and by having a diverse system with crops and trees supporting healthy soils.