220 



Tobacco soils and tobacco farms, 30, 77, 107, 128, 131, 135, 136, 138. 



Touws River, 132, 148, 149, 171. 



Tradouw, 115, 129, 132, 154. 



True soil, application of term, 7, 193. 



Tulare, California, 179, 182. 



Tulbagh Division, 20, 22, 134, 150, 159, 164. 



Tull, Jonathan, 1, 3, 6. 



"Turf," 92, 102, 103, 116, 117, 131. 



Tygerberg, 38, 44. 



Tygerhoek, 33, 36. 



Tyumie, 141. 



Uilen Kraal, F.C., 33. 



Uitenhage, Burghersdorp, and Stormberg series soils compared, 170. 



geological series, 137, 139, 169. 



Division, 20, 22, 136, 170. 

 ,, series soils, Analyses of, 170, 171. 



Umsikaba beds, 71. 

 Umtata District, 20, 22, 137. 

 Umzimkulu District, 20, 22, 137. 

 Uniform methods, need of, 5, 6. 



obstacles to, 5. 



Uniondale Division, 4, 19, 22, 56, 57, 96, 138-141, 145, 164, 165, 197. 

 United States Department of Agriculture, Soil work of, 19, 189, 190. 

 Upington, 60. 

 Upper Gouritz River, 90. 

 Upper Hantam, F.C., 52. 

 Upper River Zonder End, F.C., 33, 36. 



Vaal bos (Atriplex), 26, 83. 



" Vaal grond," 93. 



Vaal River, 25, 143, 171. 



Valsch Rivier, 111, 114. 



Van Helmont, 1, 2. 



Van Wyks Vlei, 45. 



alkaline soil at, 185-187. 



analyses of water from, 186. 



Variety in physical analyses of soils, 190, 191. 



classification of soils, 189, 190. 

 Vergennes clay, 203. 



Veterinary Surgeon, Government, opinion of regarding phosphate deficiency, P.. 

 Vette Rivier, 111. 



Victoria East Division, 20, 141, 167. 

 Virgin soils, analysis of, 11, 54. 



"Vlei" soil, 57, 68, 70, 92, 96, 116, 117, 132, 142, 150. 

 Vlei, The (Caledon Division), 33, 34. 

 Vogel Rivier, 121. 

 Voor Cogmans Kloof, F.C., 115. 

 Voorste Bosjesveld, F.C., 147, 150, 152. 

 Vryburg Division, 20, 22, 141-144, 162, 163. 



Water as a solvent of plant food, 2, 5, 9, 11. 



extraction of soil by means of, 8, 153, 175. 



theory, Van Helmont's, 1, 2. 

 Wagenboom Range, 132. 

 Wagenbooms Rivier, F.C., 147, 150, 152. 

 Wagenmakers Vallei, 99, 104, 106. 

 Wallace, Prof. R., 5. 

 Water, analyses of, 183, 184, 186. 

 Waterfall gravelly loam, 66. 

 Waterfalls, F.C., 134. 



Water retaining capacity of soils, 171, 188, 192, 193. 

 Water table, height of, in alkaline soils, 174n., 177. 

 Weirs for river silt deposits, 91, 109. 

 Western Province, 3. 

 Wellington, 79, 99, 103. 

 Wheat soils, American, analyses of, 9n.. 



,, ,, physical composition of, 190. 



White brack, 174, 184. 



