CONTENTS 

 FIGURES - Continued 



Page 



20 Spartina altevniflora spaced 2 by 2 feet, planted 11 



April 1974 (photo taken 4 April 1975] 40 



21 Views of bays at Pine Knoll Shores before planting, 



17 May 1975 43 



22 Planting at Pine Knoll Shores Golf Course, 23 May 



1974 44 



23 Same scene as Figure 22, 5 months later 44 



24 Upper slope at Pine Knoll Shores Golf Course, 4 



April 1975 45 



25 Lower slope at Pine Knoll Shores Golf Course, 4 



April 1975 45 



26 Experiment 3. Effect of aeration on ammonium up- 



take from 0.5-mM NHt^Cl and on nitrate uptake 



from 0.5-mM KNOj 51 



27 Experiment 3. Effect of aeration on net loss of 



sodium or potassium from roots during exposure 



to 0.5-mM KNO3 52 



28 Experiment 3. Effect of aeration on net loss of 



sodium or potassium from roots during exposure 



to 0.5-mM NH4CI 54 



29 Experiment 4. Effect of aeration on ammonium up- 



take from 0.5-mM NHt^Cl and on nitrate uptake 



from 0.5-mM KNO^ 58 



30 Experiment 5. Effect of aeration on ammonium up- 



take from ammonium-containing complete solu- 

 tions during the 11- to 17-day period after 

 transfer 61 



31 Experiment 5. Effect of aeration on nitrate up- 



take from nitrate ^ntaining complete solutions 



during the 11- to 17 -day period after transfer . . 62 



