Studies on weed control in the principal field crops :
Nassef, Osamah Besheer.
Studies on weed control in the principal field crops : survey and chemical control of weeds associated with wheat, cotton, maize and rice in the Noubaria Area [microform] / Osamah Besheer Nassef. - 1972. - 237, 14 leaves : ill. ; 30 cm.
Thesis (M.S.)-- Alexandria University, 1972.
Includes bibliographical references (leaves 224-37).
Microfiche.
ASUNET,
Ain Shams University,
4 microfiches : negative.
Summary in Arabic.
Weeds--Control.
Field crops
Studies on weed control in the principal field crops : survey and chemical control of weeds associated with wheat, cotton, maize and rice in the Noubaria Area [microform] / Osamah Besheer Nassef. - 1972. - 237, 14 leaves : ill. ; 30 cm.
Thesis (M.S.)-- Alexandria University, 1972.
Includes bibliographical references (leaves 224-37).
Microfiche.
ASUNET,
Ain Shams University,
4 microfiches : negative.
Summary in Arabic.
Weeds--Control.
Field crops