1-10 of 10 Books

Insect control in shelterbelts on the Great Plains
By Noel D. Wygant

How shelterbelts benefit crops
By Carlos G. Bates

Grasshoppers--a major defoliator of trees and shrubs in the Northern Great Plains
By Louis F. Wilson

Effectiveness of carbaryl and acephate in reducing damage by Petrova metallica (Busck) (Lepidoptera:Tortricidae) in ponderosa pine windbreaks
By M.E. Dix