|
|
|
|
|
Steven G. Pueppke, Qingling Zhang and Sabir T. Nurtazin
Central Asia?s Ili River is fed by mountain streams that flow down into an isolated and arid basin that today is shared by Kazakhstan and China. Agriculture in the basin is dependent upon irrigation, which was practiced as long ago as the Iron Age, when ...
ver más
|
|
|
|
|