CONTENTS


Introduction ... 3

Materials and Methods 4
 Field Experiment ...... .. 4
 Biomass Sampling ........... 5
 Laboratory .- 6

Results and Discussion ........... 7
 Height 7
 Biomass ......... 8
 Roots ----11
 Biomass Distribution 13
 Nutrient Concentrations .... 14
 Nitrogen -- -14
 Phosphorus 15
 Aluminum .... 26
 Total Element Content 26

 Summary 27

 Acknowledgments .. .. 40


Literature Cited