How to determine the number of Douglas-fir tussock moth eggs from egg mass weight
1982
Beckwith, R. C. | Mason, Richard R. | Paul, H. Gene
AGROVOC关键词
书目信息
出版者 Dept. of Agriculture, Combined Forest Pest Research and Development Program, | Washington, D.C. : Dept. of Agriculture, Combined Forest Pest Research and Development Program, [1982]
出版者
Dept. of Agriculture, Combined Forest Pest Research and Development Program
页码
6 pages : illustrations, 1 chart ; 24 cm.
其它主题
Forestry related; Douglas fir tussock moth; Pests of plants (insects and other arthropods)
语言
英语
格式
print, unmediated, volume
注释
by R.C. Beckwith, R.R. Mason, and H.G. Paul.
Also available on the Internet.
类型
Interactive Resource; Monograph; Book; Text; Report
2024-02-27
2025-07-15
MODS