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

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

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

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

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

Red pine on abandoned farmland, deep medium sand. Foliage symptoms of potassium deficiency (chlorosis>necrosis). Hughes plantation, Huntsville.

Debudded red pine to produce a knot-free lower log after several years of debudding. Nr. Dorset

Start of removal of lateral buds on red pine to produce "knot-free" lower log after several years of continued debudding. nr. Dorset

Scots pine 15 yrs, on blow sand, in open(foreground) under Carolina poplar in backgound. Sand Banks, Prince Edward Co.

Scots pine 25yrs on blow sand at Sand Banks, Prince Edward Co. N.B. exposed roots - a "bonzai" pine.