Encyclopaedia of environmental agricultural pollution and its control : vol. 1 / edited by G.R. Chhatwal. Chhatwal, G.R. ed. Agricultural pollution -- Encyclopedias. Agricultural pollution. Agriculture -- Environmental aspects -- Encyclopedias. 628.168 ENC New Delhi : Anmol Publications, 1999. 1999. 1999 Text x, 364 p. : eng