Yazar
lawrence p abrahamson
4 cilt bulundu.
![Pilot control project using trichloforn [i.e. trichlorfon] and Bacillus thuringiensis against forest tent caterpillar in southwest Alabama](https://covers.openlibrary.org/b/id/9792849-L.jpg)
Lawrence P. Abrahamson · U.S. Dept. of Agriculture, Forest Service, States & Private Forestry, Southeastern Area
29 sayfa · 1980
Forest tent caterpillar / Biological control / Pests / Pesticides / Trees
Lawrence P. Abrahamson · State University of New York, College of Environmental Science and Forestry
71 sayfa · 1979
Photographic interpretations / Conifers / Canker (Plant disease) / Aerial photography in forestry / Diseases and pests
Lawrence P. Abrahamson · New York State Dept. of Environmental Conservation
29 sayfa · 1981
Forest fires / Forest insects / Trees / Diseases and pests
Lawrence P. Abrahamson · United States Dept. of Agriculture, Forest Service, State & Private Forestry, Southeastern Area
Sayfa sayısı yok · 1980
Forest tent caterpillar / Biological control / Pesticides