184 



SUBJECT INDEX 



Electron transport, 80, 82 



Electro-osmosis, 29,31-2 



Elodea (Anacharis) canadensis (Can- 

 adian pond weed), 21, 52, 89, 

 129 



Endodermis, 15,118,120 



Endoplasmic reticulum, 105,108 



Energy, 

 barriers to diffusion, 30-31 

 requirement for active transport, 30 

 source for salt absorption, 86 



Entropy, 29 



Enzymes, 45 



Epiphytes, 129 



Escherichia coli, 64, 75, 97-8 



Essential elements, 6-7 



Ethylene diaminetetra-acetic acid 

 (E.D.T.A.), 39 



Exchange {see ion exchange) 



Exchange-adsorption, 9 



Exchangeability of ions, 

 in plant tissues, 101 , 143-4 

 in soils, 135-6 



Excised roots, 13-5, 50-1, 55-6, 58- 

 62, 63, 68, 90-2, 119 



Excretion of ions, 9, 27, 60, 85, 101, 

 133 



Excretory cells (of salt glands), 160-1 



Experimental materials, 13-22 



Export, of salts from leaves, 1 25 

 External concentration, 45,55-7 

 factors affecting absorption, 47-71 



Facilitated diffusion, 30-1 

 Fagopyrum esculentum (buckwheat), 



70 

 Festuca pratensis (elatior) , 1 44 

 Fick's law, 28-9, 30 

 Fixation of carbon dioxide, 51-2, 91- 

 2 



potassium in soils, 1 39 

 Flame photometry, 24 

 Flax (see Linum sp.) 

 Flowering, effect on salt absorption, 



67 

 Flowing solution culture, 26, 140 

 Fluxes, ion, 102 

 Foliar, 



absorption, 9,21,129-32 



feeding, 129 



Free energy, 29 



Free space, 97-103 



Freundlich adsorption isotherm, 36- 



7,45,55-6 

 Fructose-6-phosphate, 75 

 Fuciis spp. (wracks), 4, 153, 155 

 Fumarate, 92 

 Fungi {see also : yeast), 20, 63 



Gamma radiation, 24-5 

 Geiger-Muller(G.M.)tube, 24 

 Geranium (see Pelargonium sp.). 

 Germinating seedlings, translocation 



of potassium from the cotyledons 



of, 128-30 

 Glucose, 64, 75 

 Glucose- 1 -phosphate, 86 

 Glucose-6-phosphate, 75 

 Glutamic acid, 87 

 Glutamyl peptides, 87 

 Glyceryl-phosphoryl choline, 124 

 Glycine max (soya bean), 1 44 

 Glycolysis, 86 

 Glycophytes (glyptophytes), 149-52, 



159 

 Gossypium spp. (cotton), 67, 144, 150 



152 

 Green manuring, 140 

 Ground respiration, 77-8 

 Growth, 17,67-9,117 

 Guiacol, 41-2 

 Guttation, 9,133 



fluid, 20 

 Gynaphores, 128 

 Gypsum, 141 



H 



Halicystisspp., 20 



Halophytes, 152-162 



Helianthiis annuiis (sunflower), 4, 70, 



121 

 Helianthus tuberosus (artichoke), 16, 



77 

 Hemicelluloses, 104 

 Heredity, 70-1 

 Honkenya peploides, 1 5 7 

 Hordeum vulgare (barley), 4, 14, 50-1 , 



55-6, 58-62, 84, 90-2, 98, 112-5, 



117, 119, 121, 142-3, 144 



I 



