Table 21 



Distribution of Belowground Growth* by Depths, 

 Snow's Cut 1972 



Inundation Zones 

 (hr/day) 



Dry Weight (kg/ha) Roots 

 (cm) 



Dry Weight (kg/ha) Rhizomes 

 (cm) 





to 10 



10 to 30 



to 10 



10 to 30 



0.0 to 3.6 



3,093.0 



1,499.0 



6,734.0 



4,015.0 



3.6 to 8.9 



2,831.0 



1,783.0 



5,695.0 



4,261.0 



8.9 to 13.0 



2,553.0 



1,304.0 



3,987.0 



3,990.0 



13.0 to 16.6 



2,318.0 



■ 934.0 



3,664.0 



2,723.0 



LSDt 0.05 

 CV § % 



t 



37.5 



I 



73.2 



t 

 84.3 



t 

 73.9 



*Samples were four core samples (8.5 cm in diameter 

 and 30 cm deep) from each elevation zone. One core 

 was taken from each 0.25 m 2 sample area. 



tLeast significant difference 



$Not significant 



§Coefficient of variation 



Table 22. Rate of Spread (meters per year) of S. alterniflora at 

 Snow's Cut, 8 April 1971 to 27 November 1973 



Lateral Spread 



Downs lope Spread 



Ocracoke Plants 



Snow's Cut Planting 



Stock 



Ocracoke Plants 



Along Edge of 

 Large Block 



From Single 



Isolated 



Row 



Along Edge 



of Large 



Block 



Planted on 



Old, Very 



Compact 



Soil 



in 12 hr/day 

 Inundation Zone 



1.0 



1.6 



1.3 



1.5 



1.3 



86 



