Plant diseases /
Singh, R.S.
Plant diseases / R.S. Singh. - 7th.ed. - New Delhi. : Oxford & IBH publishing Co. Pvt. Ltd., 1963. - xii, 686 p. : ill. ; 24cm.
Includes bibliographical reference & index.
812040146X
Aquatic plants.
Plant diseases.
571.92
Plant diseases / R.S. Singh. - 7th.ed. - New Delhi. : Oxford & IBH publishing Co. Pvt. Ltd., 1963. - xii, 686 p. : ill. ; 24cm.
Includes bibliographical reference & index.
812040146X
Aquatic plants.
Plant diseases.
571.92