356 INDEX. 



Edaphics, def., 6. 

 Evaporation, 346. 



Fertilisers, commercial, 47; mixing, 52. 



Fertility, maintaining of, 50. 



Field Husbandry, early evolution of, 1 ; early use of bare fallow, 3. 



Flax, 311: climate, 3i2; composition, 312; description. 311; diseases, 315; 



harvesting, 314; history, 311; improvement, 314; production, 312; 



rotations, 313; soil preparation and planting. 313: soil requirements, 



313; uses, 312. 



Goed Karroo, 351. 



Granulation, def., 18; agencies promoting, 19. 



Grasses, 281; classification according to use, 282; grass sorghums, Sudan, 

 286-289; kikuvu, 289-291: minor grasses in South Africa, 294-297: 

 Napier grass, 293-294; Phalaris bulbosa, 292-293; teff. 283-285; Tunis, 286. 



Green-manuring ci'ops in South Africa, 55; crops to follow green-manures, 53. 



Ground Nut (see Peanut), 161. 



Growing season, altitude, latitude in relation to, 14; length of, 13. 



Hail and Snow, 12. 



Implements and their uses, 25. 



Insect Pests, cowpeas or kaffir beans, 157; lucerne, 150-151; maize, 105; 



potatoes, 138; sorghums, 121; soybeans, 161. 

 Irrigation, 28 ; considerations governing, 28-31 ; effect on crops, 32. 



Kaffir Beans (see Cowpeas), 152. 

 Kaffir Corn (see Sorghums), 108. 

 Kale, 308. 

 Kohl Rabi, 309. 

 Kudzu Vine, 332. 



Leaf Beet or Chard, 302. 



Legumes, use of, 4. 



Length of growing season, 13. 



Lime, use of, 48-49. 



Lucerne, 139; characteristics and improvement, 149: climate, 142; composi- 

 tion and uses, 148: description and classification, 139; diseases and 

 pests, 150; early treatment, 146; harvesting, 147; history and produc- 

 tion, 139; inoculation, 146: irrigation, 146; planting, 144; seed bed, 143; 

 score card, 145; seed, 144; seed production. 150; soil conditions, 142; 

 varieties, 141 ; yields, 148. 



Maize, 73; after cultivation, 87; breeding, 101-3; climatic and soil require- 

 ments. 84; composition, 103; diseases and pests, 105-6; grades, 95-97; 

 harvesting, 92; history, 77; improvement, 97; irrigation, 92; manuring, 

 88-89; marketing, 95: origin, description and classification, 77-81: 

 planting, 86; production, 73; rotations, 90-92: score card, 98; seed 

 selection, 97-98; show maize, 100; silage, 93-94; soil preparation, 85; 

 uses, 105; varieties, 82-84; weeds, 106; yield, 76. 



Mangels, 303. 



Melons, 321. 



Mesembryanthemum, spp. 357. 



Mesquite, 351. 



Millets, 298; cultural methods, 299; diseases and pests, 300; harvesting, 

 299; history, 298; Japanese barnyard, 299; Japanese broom corn, 299; 

 kaffir, 300; pearl, 300; varieties, 298. 



Monkey Nut (see Peanut), 161. 



