1. Tall wheat-grass barriers and winter wheat response;Aase;Agric. Meteorol.,1974
2. Perennial grass barriers for wind erosion control, snow management, and crop protection;Aase,1976
3. Farm crops benefit from field shelterbelts;Bates;Minn. Farm and Home Sci.,1948
4. Cropping systems' dependence on snow management;Black,1986
5. The use of perennial herbaceous barriers for water conservation and the protection of soils and crops;Black;Agric. Ecosystems Environ.,1988