Narayanan, Shanker. Adachani Economic Evaluation of the Impact of Selected crop Practices on Water Quality and Productivity: An Application of linear Programming/ Adachani Shanker Narayanan - Illinos: University of Illinos: 1972 - xii,177p.: ill Thesis--(PH.D)--University of Illinos,1972 Subjects--Topical Terms: Pollution--PreventionSoil RemediationPollution--control LC Class. No.: THESIS PHD (AGRIC) NAR 1972