The role of water in agriculture : based on papers and discussions at a symposium held at the Welsh Plant BreedingStation near Aberystwyth on March 19, 1969 / edited by James A. Taylor - Oxford : Pergamon Press, 1970 - xxii, 230 p. : ill. ; 24 cm. Includes bibliographies. ISBN: 0080161677 LCCN: 72-119895 Subjects--Topical Terms: Water in agriculture--Congresses