TY  - BOOK
AU  - Negm,Mohamed Farouk Mohamed
TI  - Effect of topographical factors of cotton fields on the performance of aircraft used in pest control
PY  - 1996///
KW  - Pests
KW  -  Control
KW  - Airplanes in agriculture
KW  - Cotton
KW  -  Diseases and pests
KW  - Insecticides
N1  - Thesis (Ph.D.)--Al-Azhar University,1996; Includes bibliographical references (leaves 79-82); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches:negative
ER  -