Yazar
manfred e mielke
3 cilt bulundu.
Cilt sonuçları
How to identify and control dogwood anthracnose
Manfred E. Mielke · U.S. Dept. of Agriculture, Forest Service, Northeastern Area
Sayfa sayısı yok · 1988
Cornus (Plants) / Diseases and pests / Anthracnose / Fungi in agriculture
Inventory of beech bark disease mortality and decline on the Monongahela National Forest, West Virginia
Manfred E. Mielke · U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group
15 sayfa · 1984
Beech bark disease / Aerial photography in forestry