A manual of low-cost water technology Stern, Peter H. creator text dr London Intermediate Technology Publications 1979 monographic spa En

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152 p. Introduction : The irrigation scene, 13. -- The choice of technology, 19. -- Is it worthwhile irrigating?, 24. -- Moisture conservation techniques, 31. -- Surface irrigation, 38. -- Sub-soil irrigation, 53. -- Overhead irrigation, 55. -- Climatic factors, 64. -- Crops and water, 69. -- Physical and chemical characteristics of soil, 77. -- Soil and water, 83. -- Drainage, 91. -- Source development, 98. -- Channels and pipelines, 105. -- Water lifting, 115 Peter H. Stern S 616 S839s 1979 0903031647 060907 20230410143528.0 83