Foliage symptoms of potassium deficiency (Chlorosis>necrosis). Hughes plantation, Huntsville.

Foliage symptoms of potassium deficiency (Chlorosis>necrosis). Hughes plantation, Huntsville.

Ground cover at plantation, N.B. sparse vegetation, and species. Hughes plantation nr. Huntsville.

Control untreated, in potassium trial, Hughes plantation, nr. Huntsville. Application in May, 1957. Person is K.H. Reese.

Red pine fertilized at a rate of 150 lb/ac potassium as KCl in 1957. Photo in June 1960. Person is K.H. Reese.

Tree length skidding at Camp #11, Dryden Paper Co.

Tree length skidding at Camp #11, Dryden Paper Co.

Tree length skidding at Camp #11, Dryden Paper Co. N.B. on left the large pile of slash.

White spruce approx. 4yrs after planting. N.B. lack of trees in the lower area - frost pocket. Thackeray Twp. Kirkland Lake.

White spruce approximately 4 yrs after planting. N.B. lack of trees in the lower area - frost pocket. Thackeray Twp. Kirkland Lake.