Natural regeneration of lodgepole pine, 9 yrs. after clearcutting and scarification. Hinton.

Natural regeneration of lodgepole pine, 11 yrs after clearcutting and scarification. Hinton.

Natural regeneration of pine in Ceanothus bushes, SE Oregon Weyerhaeuser Tree Farm. N.B. Ceanothus fixes Nitrogen.

Natural regen. of pine in Ceanothus bushes, SE Oregon Weyerhaeuser Tree Farm. N.B. Ceanothus fixes Nitrogen.

Natural regeneration of red spruce and hemlock in mixed stand. N.B. person in blue shirt is Dr. I.C.M.(Cam) Place

Natural regeneration of red spruce under mature tree in mixed stand of hard maple, birch and red spruce

Natural regeneration of white spruce in an old field. Chapman Valley Parry Sound. N.B. chlorosis due to nitrogen deficiency.

Natural regeneration on area clearcut 1981-84. No treatment. Person is John Cary. Pointer Lake, Sioux Lookout.

Natural regeneration( 54 years old) with 250 years stand. Coconino National Forest. Flagstaff, Arizona

Natural stand of Pinus densiflora in Nishine, Japan. N.B. poor form and dense woody understory. Photo Carl Heimberger