REPEODUCTTON OF WESTERN YELLOW PINE. 



105 



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



A. EXAMINATIONS IN SEPTEMBER AND OCTOBER, 1920. 



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



Inside fence, ungrazed — 



Natural areas 



Edge brush piles i 



Burned brush piles 



Tops (windfalls) 



Outside fence , grazed — 



Natural areas 



Edge brush piles i 



Burned brush pUes 



Tops (windfalls 1915) 



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



Inside fence, ungrazed — 



Natural areas 



Edge brush piles i 



Burned brush piles 



Tops ( windfaUs 1915) 



Outside fence, grazed — 



Natural areas 



Edge brush pUes i 



3. S. & M. 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. & M. Co. sale area; cutting about 1915; heavy 



bunch grass, Ughtly grazed: 



Natural areas 



Lopped brush 



6. S. & M. Co., private cutting, 1910; overgrazed; 



sparse vegetation: 



Natural areas 



Lopped brush 



Natural areas 



PuUed tops 



7. Section21, 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 



Basis. 



Sq.feet. 

 400 

 470 

 225 

 264 



477 

 286 

 471 



400 

 600 

 336 

 192 



200 

 314 



400 

 229 

 400 

 560 



100 

 200 



320 

 320 



320 

 640 

 260 

 260 



960 

 960 



300 



200 

 200 



1919 seedlings. 



Number 

 per acre. 



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 



2,800 

 1,200 



7,800 

 10,100 

 1,100 

 2,200 



2,200 

 2,600 



21,000 



6,000 



23,600 



36,100 



Large. 



Per cent. 

 14 



3 

 30 



3 



7 

 51 

 26 

 29 



Injmred 

 or killed 



by 

 grazing. 



Per cent. 

 

 

 

 



23 

 40 

 21 



4 



(.') 



Old 



seedlings, 



4 to 10 



years. 



1 Counts made in strip, 1 foot v\'ide in periphery of pUe. 



2 No data. 



