1. 1991-05-19 Assessing low-external-input farming techniques Bontoc rice terraces Pleasant strategies to deal with risk Africa's soils are being mined Local economies From data collection to farmer assessment Soil erosion Natural grass strips Soil fertility techniques Beans Agroforestry New approaches to...
  2. Land degradation has spread to two-thirds of sub-Saharan Africa due, in part to the increased pressure ofagriculture to meet the food needs of a growing population and variabilities caused by climate change. But smallholder farmers are fighting to reclaim and revitalize the land, and their...
  3. Cross-slope barriers are measures on sloping lands in the form of earth or soil bunds, stone lines, and / or vegetative strips for reducing runoff velocity and soil loss, thereby contributing to soil, water and nutrient conservation. This is achieved by reducing steepness and / or length of...