CHAPTER 9 EARTHWORKING AND EARTH RESOURCES, 227
9.1 Introduction, 227
9.2 Planning earthworks, 228
9.3 Planting after earthworks, 229
9.4 Slope measure, 230
9.5 Levels and levelling, 232
9.6 Types of earthworks, 234
9.7 Earth constructs, 237
9.8 Moving the earth, 241
9.9 Earth resources, 247
9.10 References, 249. 

CHAPTER 10 THE HUMID TROPICS, 250
10.1 Introduction, 250
10.2 Climatic types, 251
10.3 Tropical soils, 253
10.4 Earthshaping in the tropics, 259
10.5 House design, 261
10.6 The tropical home garden, 266
10.7 Integrated land management, 277
10.8 Elements of a village complex in the humid tropics, 279
10.9 Evolving a polyculture, 279
10.10 Themes on a coconut-or palm-dominant polyculture, 283
10.11 Pioneering, 293
10.12 "Animal tractor" systems, 299
10.13 Grassland and range management, 300
10.14 Humid tropical coast stabilisation and shelterbelts, 303
10.15 Low island and coral cay strategies, 304
10.16 Designers' checklist, 307
10.17 References, 307

CHAPTER 11 DRYLAND STRATEGIES, 308
11.1 Introduction, 308
11.2 Precipitation, 310
11.3 Temperature, 312
11.4 Soils, 312
11.5 Landscape features in deserts, 316
11.6 Harvesting of water in arid lands, 336
11.7 The desert house, 359
11.8 The desert garden, 371
11.9 Garden irrigation systems, 381
11.10 Desert settlement-broad strategies
11.11 Plant themes for drylands, 390
11.12 Animal systems in drylands, 397
11.13 Desertification and the salting of soils, 401
11.14 Cold and montane deserts, 409
11.15 Designers' checklist, 410
11.16 References, 410

CHAPTER 12 HUMID COOL TO COLD CLIMATES, 411
12.1 Introduction, 411
12.2 Characteristics of a humid cool climate, 412
12.3 Soils, 413
12.4 Landform and water conservation, 413
12.5 Settlement and house design, 414
12.6 The home garden, 417
12.7 Berry fruits, 420
12.8 Glasshouse growing, 422
12.9 Orchards, 423
12.10 Farm forestry, 425
12.11 Free-range forage systems, 427
12.12 The lawn, 434
12.13 Grasslands, 435
12.14 Rangelands, 442
12.15 Cold climates, 446
12.16 Wildfire, 451
12.17 Designer's checklist, 456
12.18 References, 457

CHAPTER 13 AQUACULTURE, 458
13.1 Introduction, 458
13.2 The case for aquaculture, 459
13.3 Some factors affecting total useful yields, 461
13.4 Choice of fish species (varieties, food, health) and factors in yield, 470
13.5 Fish pond configurations and food supply, 472
13.6 Farming, invertebrates for fish food, 491
13.7 Channel, canal, chinamapa, 495
13.8 Yields outside the pond, 496
13.9 Bringing in the harvest, 499
13.10 Traditional and new water polycultures, 500