Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|
Se han encontrado 6 recursos
Investigates the effects of improved surface drainage on the productivity of Vertisols in a wheat-and-chickpea cropping trial conducted in 1987 at ILCA;s Debre Zeit research site in the Ethiopian highlands. Chickpea plots were subjected to four irrigation treatments, viz, no irrigation, irrigatio...
Crop and livestock subsystems in the Ethiopian highlands interact with each other in many wasy. The livestock subsystem has output, input, asset, and security and investment functions in the farming system. Animal traction and crop residues are the prominent binding elements of the crop and lives...
Discusses intermediate technology for increased food and feed production from deep black clay soils (vertisols) in the Ethiopian highlands. Presents examples of improved soil/water/nutrient management on vertisols discussing tillage and animal powered surface drainage and its effect on crop yield...
Outlines an economic evaluation of an improved surface drainage technology, using the broad-bed-maker (BBM) on-farm in four different vertisol areas of the Ethiopian highlands. Presents data on crops and number of areas covered for the on-farm drainage technology, on cost structure of the BBM, an...
Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|