Yazar
h b peirson
3 cilt bulundu.
Cilt sonuçları
Field book of destructive forest insects
H. B. Peirson · Maine Forest Service, Division of Entomology
28 sayfa · 1961
Beneficial insects / Insect pests / Trees / Diseases and pests
Estimating forest insect damage and progress report on other forest insect studies
H. B. Peirson · Maine Forest Service
22 sayfa · 1924
Forest insects / Trees / Diseases and pests / Forests and forestry
Insects attacking forest and shade trees
H. B. Peirson · Maine Forest Service
56 sayfa · 1923
Insect pests / Trees / Diseases and pests / Control