Effect of weather variation on economic results from grasshopper control tactics in Chad
Subtitle: a partial validation of GHLSIM
By: by Allah Ditta Sheikh.
Published: 1991
Language: eng
Number of pages: 143
Subjects: Grasshoppers -- Control -- Economic aspects -- Chad.; Crops and climate -- Economic aspects -- Chad.; Crop losses -- Chad.; Aerial spraying and dusting in agriculture -- Economic aspects -- Chad.
Notes: Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1992.

Includes bibliographical references (leaves 97-99)