215 



Komgha Division, 19, 21, 47, 49, 71. 

 Konings River valley, 116. 

 Koopmans River, F.C., 134. 

 Komvgoed : see Augea capensis. 

 Kraai River, 25. 

 Kraal bosch, 40. 

 Krombeks Rivier, 111. 

 Kuruman, 143. 

 ' Kweek " soil, 92. 



Laboratory and field experiments, Comparison between, 2, 5. 

 Ladismith Division, 19, 21, 24, 74-77, 98, 129, 165, 166, 167, 171. 



,, Karroo, 77. 



Lakes, The, 55, 57. 

 Lamziekte, 4, 23, 64, 102, 167. 



Langeberg Range, 77, 112, 113, 116, 129, 131, 132. 

 Langley Park, Albany Division, 23. 

 Langtouw River valley, 91. 



Leather, Dr. J. W., investigations on alkaline soils, 174. 

 Liebig, 1, 2, 11, 17. 



Law of the Minimum, 11, 17, 95, 120, 153. 

 Lime, a dominant factor in soil productiveness, 86, 99. 

 as a source of fertility, 93, 96, 98, 99, 117, 131. 

 deficiency of, 38, 59, 67, 130, 139. 

 determination of, 7, 13, 15, 16. 

 in clay and sandy soils, 17. 

 large proportions of compensate for lack of phosphoric oxide and potash, 17, 



24, 25. 

 needed for fruit culture, 117. 



Shell, as a fertiliser, 35. 

 Limestone formations, 30, 77, 83, 89, 96, 97, 131, 137, 141, 142, 143, 144, 147, 161, 



162, 169, 186. 



Loam, Physical composition of, 189. 

 Local investigations, Need of, 184, 192, 193. 

 Long Kloof, The, and its soils, 55, 57, 139, 140. 

 Loughridge, Dr. R. H., 12, 13, 16. 



method of soil extraction, 16. 



Louisiana, Hilgard's work in, 11. 

 Lower Albania, F.C., 62. 

 Lower Groot River, F.C., 24. 

 Lower Riebeek, F.C., 23. 

 Lower River Zonder End, F.C., 33. 



MacDonald, A. C., 20, 23. 



Maclear District, 20, 21, 77. 



MacOwan, Prof. P., 45. 



Maercker, Prof. M., 13, 17, 21. 



Maf eking Division, 20, 21, 77. 



Malmesbury Division, 4, 19, 20, 21, 78, 123, 134. 



geological series, 30, 79, 89, 100, 102, 115, 123, 134, 147, 150, 157, 158, 



159, 161, 171. 



soils, chemical analyses of, 158, 159, 171. 



,, proportions of fine earth in, 196, 197. 



water retaining capacity of, 171. 



Mancazana, 128. 



Manuring, Cultivation without, 25, 28, 50, 82, 83, 84, 85, 113, 143. 

 Mechanical analysis in the investigation of alkaline soils, 174. 

 of soil, 1, 3, 7, 18, 90, 188, 193. 



good index of fertility, 192. 



lack of uniform procedure, 191. 



methods described, 193. 



,, ,, ,, scheme of, 195. 



,, ,, ,, sieves used for, 193. 



value of, 192. 



,, ,, various soil grades defined, 7, 191-195. 

 results of, 195. 



Koeberg soils, 204, 205. 

 Prieska soils, 201, 202. 



Robertson soils, 200, 201. 

 Vergennes clay, 203. 



