A study of lethal concentrarions of ddt and bhc on rice hispa and of the pattern of residual loss of these insecticides (labelled) from paddy levels /
Roll-22
A study of lethal concentrarions of ddt and bhc on rice hispa and of the pattern of residual loss of these insecticides (labelled) from paddy levels / MS thesis - Sher-e-Bangla Agricultural University, Department of Entomology, 1964 - vi, 53 p. : ill. ; 30 cm.
MS thesis of Department of Entomology.
Entomology
595.7
A study of lethal concentrarions of ddt and bhc on rice hispa and of the pattern of residual loss of these insecticides (labelled) from paddy levels / MS thesis - Sher-e-Bangla Agricultural University, Department of Entomology, 1964 - vi, 53 p. : ill. ; 30 cm.
MS thesis of Department of Entomology.
Entomology
595.7