Nagy László (szerk.): A vízgazdálkodás fejlődése (TIT, Budapest, 1970)

X. Mellékletek

2. Land drainage 421

2.1 Reasons calling for surface drainage 421

2.2 Surface drainage in Hungary during the last century and around the

turn of the century 426

2.3 Surface drainage between the two world wars 430

2.4 Surface drainage from the liberation to our days 433

2.5 Actual problems of surface drainage 437

2.51 Long-range development plans 437

2.52 Theoretical problems of surface drainage 439

2.53 The forecasting of overland flow 441

2.54 Surface drainage and engineering technology 442

2.55 Protection against inundations caused by overland flow 444

11. IRRIGATION by Dr. László Dávid 444

1. On irrigation in general 444

2. The history of irrigation on the Earth 451

3. The history of irrigation in Hungary 458

3.1 Scattered irrigations (1820—1930) 460

3.2 The first steps towards large-scale irrigation (1930—1954) 465

3 3 The development of large-scale irrigation (1954—1967) 472

4. The actual state of our irrigations 482

5. Development targets* 487

12. FISH PONDS AND FISH FARMS by Dr. László Dávid 494

1. The task and significance of fish farms 494

2. The past and present of fish breeding in farms 497

3. Development targets 504

13. WATER POLLUTION CONTROL by Dr. László Kádár 506

1. Water quality 509

1.1 Physical characteristics of water quality 509

1.2 Chemical characteristics of water quality 510

1.3 Biological characteristics of water quality 511

1.4 Microbiological characteristics of water quality 511

2. The effect of sewage upon water quality 511

2.1 Domestic sewage 513

2.2 Industrial wastes 516

3. Waste water treatment ....................... 519

3

.1 Treatment of domestic sewage 520

3.2 Treatment of industrial wastes 524

3.3 Pollution control through water management measures 525

4. Legal and organisational means of pollution control 526

4.1 Decrees aiming at pollution control 529

4.2 The organisation of water pollution control 532

4 3 International relations 536

5. The actual state of water quality and its future trends 536

5.1 Water classification 536

5.2 The quality of surface waters in Hungary 538

861