Effect of western spruce budworm on Douglas-fir cone production in western Montana [Choristoneura occidentalis, Pseudotsuga menziesii].
1983
Chrisman A.B. | Blake G.M. | Shearer R.C.
书目信息
USDA Forest Service Research Paper INT (USA). no. 308.
ISSN
0363-6232
语言
英语
注释
ill., maps. Includes references. AVAILABILITY: NAL, USDA, Beltsville, Md. 20705 - USA
类型
Monograph; Map; Non Conventional
2012-11-15
AGRIS AP
