Economics of Water Use on Different Classes of Saline and Alkali Land in the Semi-arid Plains of West Pakistan

Ch. Mohammad Rafiq, M. Alim Mian, R. Brinkman


Soil salinity and alkali pose a major problem for agriculture
in West Pakistan. According to one estimate [5, p. 39], out of the gross
area of 46.5 million acres of the Indus Plains, 4.8 million acres were
strongly saline and 11.1 million acres were partially affected by
salinity. Although soil alkali was also recognized as a problem [1], it
was generally considered to be of limited extent. Its full significance
was realized only after studies in 1962 and 1963 by the Water and Soil
Investigation Division of WAPDA and the US Salinity Laboratory in the
Salinity Control and Reclamation Project No. 1 (WAPDA 1966). The soil
surveys carried out by the Soil Survey Project of Pakistan have
subsequently provided further information on saline and alkali

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