26 



BULLETIN 1264. U. S. DEPAETMEXT OF AGEICLLTUBE. 



Table 12. — Record of experimental plantations of Douglas fir in the intermountain 



region. 



No. 



Description. 



EphriamCanyon watershed 

 Manti National Forest, 

 Utah: 



Aspen 



Brash, temporary 



Dense aspen 



Do --— 



Aspen, % density 



Do 



Aspen, Yo density 



Do 



Aspen, x /± densitv 



Do 



Cleared aspen 



Do 



Dense aspen 



Do 



Aspen, M density 



Do 



Aspen, Y 2 density 



Do 



Aspen, M density 



Do 



Cleared aspen 



Do 



Dense aspen 



Aspen, M density 



Dense aspen 



Do 



Do 



Do 



Do 



Do 



Do __. 



Do 



Burn, Engelmann 



spruce 



Do 



Burn, Douglas fir 



Do 



Do 



Open 



Sagebrush 



Do 



Manzanita 



White fir 



Oak brush, north slope. 



Do 



Do 



Do 



Do 



Big Cottonwood Canyon 

 watershed, Wasatch Na- 

 tional Forest, Utah: 



Aspen 



Grass -. 



Brush, temporary 



Aspen 



Do 



Brush, temporary 



Aspen 



Do 



Planting record. Percentage of survival by years. 



Age. 



2-2 

 2-2 

 2-2 

 2-1 

 2-2 

 2-1 

 2-2 

 2-1 

 2-2 

 2-1 

 2-2 

 2-1 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 3-2 

 3-2 

 3-0 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-1 

 2-2 



2-2 



2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 3-2 

 3-2 

 3-2 



2-1 

 2-1 

 2-2 

 2-2 

 2-2 

 3-2 

 3-1 

 3-2 



Date. 



1st 

 year. 



May, 

 June, 

 ...do-. 

 June, 

 June, 

 June, 

 June, 

 June, 

 June, 

 June, 

 June, 

 June, 

 June, 

 May, 

 June, 

 May, 

 June, 

 May, 

 June, 

 May.. 

 June, 

 May, 

 June, 

 May, 

 June, 

 Sept. 

 Oct., 

 May, 

 ...do- 

 June, 

 Sept., 

 Oct., 



1913. 

 1913. 



1914" 



1913- 

 1914. 

 1913. 

 1914 

 1913 

 1914 

 1913 

 1914 

 1917 

 1918 

 1917 

 1918 

 1917 

 1918 

 1917 

 1918 

 1917 

 1918 

 1917 

 1918 

 1917 

 1913 

 1914 



1917 

 1913 

 1916 



June, 1913 

 Sept., 1913 



...do 



June, 1914 

 Oct., 1914 



--do 



June, 1917 

 May, 1915 

 June, 1917 

 May, 1916 

 Apr., 1916 

 May, 1917 

 May, 1918 

 Mav,1919 

 May, 1920 



May, 1915 

 -.-do 



Mav, 1918 



.-.do 



..-do 



Mav, 1919 



...do 



.-.do 



2d 



year. 



3d 

 year. 



70 



4th 



'70 



0) 



Vigor- 

 ous 

 trees.' 



Per cent. 



52 



3 



35 



32 



32 



67 



64 . 





35 



31 



30 



70 



69 - 





53 



52 



50 



58 



56 . 





29 



27 



25 



61 



54 _ 





9 



8 . 





25 



24 1- 



52 _ 







21 - 





41 



34 



5 32 



21 



18 



(«) 



56 





53 



50 





45 



24 



E - 





Average 

 height 

 growth. 1 



Inches. 



. 00 



.00 



728 



1.03 



.11 



1.48 



1.46 



1.36 



1.35 



1.58 



.79 



.62 



.88 



1.14 



.55 



1.02 



.62 



.96 



1.03 



.91 



i For full description of sites, see paragraphs correspondingly numbered in the Appendix, page 51. 



* From records oflast examination. 

 2 Seventh year survival, 62 per cent. 

 « Seventh year survival, 3 per cent. 



* Fall oif in survival about 2 per cent annually thereafter down to 26 per cent in seventh year. 



• Seventh year survival, 5 per cent. 

 " Two per cent less two years later. 

 6 No loss two years later. 



• Only 1 per cent survival in fifth year. 

 i° Fifth year survival, 16 per cent. 



i 1 Sixth year survival, 53 per cent. 



