REPRODUCTION OF WESTERN YELLOW PINE. 105 



Table 25. — Seedling survival in relation to method of brush disposal. 



A. EXAMINATIONS IX SEPTEMBER AND OCTOBER, 1920. 



1919 seedlings. 



Basis. 



Number 

 per acre. 



Large. 



Old 



Injured S( *S S • 

 «5T ^rs° 

 grazing. 



1. Sample plot 3A; logged 1909; heavy bunch grass: 



Inside fence, ungrazed— 



Natural areas 



Edge brush piles > 



Burned brush piles 



Tops (windfalls) 



Outside fence . grazed— 



Natural areas 



Edge brush piles > 



Burned brusli piles 



Tops (windfalls 1915) 



2. Sample plot 3B : logged 1909; heavy bunch grass: 



Inside fence, ungrazed— 



Natural areas 



Edge brash piles • 



Burned brush piles 



Tops (windfalls 1915) 



Outside fence, grazed— 



Natural area- 



Edge brush piles l 



3. S. <fc If. Co. sale, sec. 6, T. 22 N.. R. 6 E.: logged 



about 1911; bunch grass closely grazed: 



Natural areas ." 



Burned brush piles 



Pulled tops 



Stump patches 



4. McGonigle Co. sale, north of Riordan; logged 



1917-18; bunch grass, closely grazed: 



Natural areas : 



Pulled tops— 



On bare ground 



In grass 



5. S. <i- If. Co. sale area; cutting about 1915; heavy 



bunch grass, lightly grazed: 



Natural areas ". 



Lopped brush 



6. S. (k If. Co., private catting, 1910; overgrazed; 



sparse vegetation: 



Natural areas 



Lopped brash 



Natural areas 



Pulled tops 



7. Section 21, Fort Valley; private cutting; 25 years 



old; overgrazed; sparse vegetation: 



Natural areas 



Near decayed tops; sparse vegetation 



8. Section 22," Fort Valley; virgin stand; moderate 



herbaceous cover: closely grazed: 



Natural areas 



Tops (windfalls 1915) 



Natural areas 



Scattered brush 



Sq.feet. 

 400 

 470 

 225 

 264 



800 

 477 

 286 



471 



400 

 600 

 336 

 192 



200 

 314 



400 

 229 

 400 

 560 



260 



100 

 200 



320 

 320 



320 

 640 

 260 

 260 



960 

 960 



300 



200 

 200 



15.000 

 3,180' 



30,500 

 5,200 



12,200 



13,100 



31,800 



4,400 



8,300 

 2,700 

 30. .500 

 6,500/ 



24.400 

 10,000 



17,400" 



30,500 



7,900 



12,200 



8,700 



11,200 

 3,200 



2,n00 

 1,200 



7,800 

 10,100 

 1,100 1 

 2,200 



2,200 

 2,600 



21,000 

 6,000 

 23,600 

 36,100 



Per cent. 

 14 



3 

 30 



3 



7 

 51 

 26 

 29 



Per cent. 

 

 

 

 



(-) 







3 











n 















21 





52 







43 



2 



1 



3 



41 







35 



1 



7 



1 







7 



Counts made in strip, 1 foot wide in periphery of pile. 



2 No data. 



