This study identifies trends in conjunctive use of canal and groundwater in the Punjab area of Pakistan and its implications for sustainability of agricultural performance. A main problem of the use of surface (canal) water arises due impact of farmer of the head end on the water supply for farmers on the tail end of the canal.
MURRAY-RUST, D. H. ; VELDE, E. J. van der (1994): Conjunctive Use of Canal and Groundwater in Punjab, Pakistan. Management and Policy Options. In: Irrigation and Drainage Systems : Volume 8 , 201-231. URL [Accessed: 19.09.2012] PDF