Cotton pests of the Sudan : their habits and control /
Ripper, Walter Eugene, 1908-1965
Cotton pests of the Sudan : their habits and control / W. E. R ipper and Lloyd George. - Oxford : Blackwell Scientific Publications, 1965 - xii, 345 p. : ill. (part col.) , map ; 27 cm.
Includes bibliographical references.
Cotton--Diseases and pests.
Agricultural pests--Sudan.
633.51
Cotton pests of the Sudan : their habits and control / W. E. R ipper and Lloyd George. - Oxford : Blackwell Scientific Publications, 1965 - xii, 345 p. : ill. (part col.) , map ; 27 cm.
Includes bibliographical references.
Cotton--Diseases and pests.
Agricultural pests--Sudan.
633.51