assess the sector's productivity gain over time. However, the regional analysis of agricultural productivity still is not … investigated. This work focuses on mapping the gain of agricultural productivity in Brazil in the years 1990-2012 by micro …-region. After an overview of the behavior of productivity in the major regions, will be studied the ten major crops relative to the …

that changes affecting agriculture have large aggregate effects. Thus, it seems reasonable that agricultural productivity …. In fact, agriculture in most developing countries has very low productivity relative to the rest of the economy … from agriculture. Many rural people in the developing world are poor, and conversely, most of the world's poor people …