Researched
Center-Pivot & Drip Irrigation
Frank Zybach's rotating sprinkler (1948) and Simcha Blass's drip system (Netafim, 1965) bring water to crops with far less waste.
Open in the interactive tree →Centre pivots irrigate circular fields from a moving arm, and drip lines deliver water to roots drop by drop. Both are now central to farming in dry regions.
Prerequisites
- Irrigation~6000 BC
- Shaduf, Qanat & Water Lifting~2000 BCCentre pivots and drip lines still depend on lifting water to the fields
- Dynamo & Electric Motor1831-1866
Unlocks
- Feeding 10 billion peopleopenWater-efficient irrigation stretches scarce water for more food
Sources
More in Agriculture & Food · Atomic & Space Age
- Green Revolution1960s