Lecture U 



UPWARD MOVEMENT AND DISTRIBUTION OF 

 INORGANIC SOLUTES IN THE PLANT:- Metab- 

 olism AND SALT ABSORPTION AND MOVEMENT — 

 RELATIONS OF WATER ABSORPTION TO SALT ABSORP- 

 TION — Experiments on exudation and root 

 PRESSURE — Path of upward movement of salt 

 — Other effects associated with conditions 

 influencing transpiration — General discus- 

 sion 72 



Lecture 5 



THE GROWTH OF PLANTS IN ARTIFICIAL MEDIA 

 IN RELATION TO THE STUDY OF PLANT NU- 

 TRITION:- Conditions for the growth of plants 

 IN artificial cultures — Aeration of nutrient 

 solutions — Climatic factors and growth of 

 plants in nutrient solutions — Nutrition of 

 plants in soil and in artificial culture solu- 

 TIONS — Other uses of artificial culture 

 METHODS — Concluding statement . . . 104 



Lecture 6 



SOME BIOCHEMICAL PROBLEMS ASSOCIATED 

 WITH SALT ABSORPTION:- Salt absorption 



AND ORGANIC ACIDS — METABOLISM IN RELATION TO 

 ABSORPTION OF NITROGEN — METABOLISM AND AC- 

 CUMULATION OF IONS — Ion accumulation and 



PROTEIN METABOLISM 126 



