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		Small Scale Irrigation Systems (Peace Corps)
			(introduction...)
			Introduction
			Acknowledgements
			Section 1. Concepts of irrigation design
			Section 2. The soil as a reservoir for water needed by plants
			Section 3. Water and plants
			Section 4. Methods of measuring soil moisture content and availability
			Section 5. Water requirements
			Section 6. Natural rainfall and irrigation requirements
			Section 7. Topographic mapping and surveying
			Section 8. Water source development
			Section 9. Water distribution
			Section 10. Field irrigation systems
			Section 11. Drainage
			Section 12. Economic evaluation and feasibility
			Section 13. Health and safety
			Suggested references
			Measures and conversions

Measures and conversions

Metric
1 Kilometer (Km) = 1,000 meters (m)
1 m = 100 centimeters (cm)
1 decimeter (dm) = 10 cm
1 cm = 10 millimeters (mm)
1 Hectare (Ha) = 10,000 m²

1 Liter = 1,000 cm³
1m³ = 1,000 liters

English
1 mile = 5,280 feet (ft)
1 rod = 16½ ft
1 ft = 12 inches (in)
1 gallon = 231 in³
1 Acre = 43,560 ft²

Conversions
1 inch = 2.54 centimeters
1 mile = 1,609 meters
1 gallon = 3.78 liters
1 ft³ = 7.48 gal
1 Hectare = 2.47 Acres

1 m³ water = 1,000 kilograms water
1 liter water = 1 kilogram = 1,000 gram
1 m³ water = 1 metric ton (tonne)
1 gal water = 8.34 lb
1 ft³ water = 62.4 lb

Small scale irrigation systems
Contents