Description: Effect of cattle grazingon vegetation of a virgin forest in Northwestern Pennsylvania

Main Author:	Lutz, H. J.
Format:	Book
Language:	English
Published:	Washington [s.n.] 1930
Subjects:	Βοσκότοποι > Ηνωμένες Πολιτείες Αμερικής

Item Description:	Ανάτυπο από: Journal of Agricultural Research, vol. 41, No 7