CONTENTS 



Page 



1. Introduction - 1 



2. Experimental Materials and Methods - - - 13 



3. Mechanisms of Ion Transport - - - - 27 



4. Factors Affecting Salt Absorption - - - 47 



5. Salt Absorption and Metabolism - - - - 73 



6. Structural Aspects of Salt Absorption in Cells 95 



7. Salt Relations of Vascular Plants - - - 111 



8. The Soil as a Source of Mineral Salts - - 135 



9. Salt Tolerance 149 



10. Epilogue 163 



References 167 



Subject Index 181 



Author Index -------- 191 



1*^ I LIBRARY 15=>1 



IX 



