Drip irrigation
Modern drip irrigation was invented in Israel in the 1960s.
Drip irrigation, also known as trickle irrigation, is a micro-irrigation system that delivers water slowly to plant roots, either above or below the soil surface, to minimize evaporation and improve efficiency. Its modern form was developed in Israel in the 1960s, building on earlier experiments in Germany and Australia, and has become a globally significant agricultural innovation.
- field
- Agricultural irrigation
- known_for
- Water-efficient irrigation through slow, direct delivery to plant roots
- first_modern_development
- Israel, 1960s
- ancient_precedent
- China, 1st century BCE (buried clay pots)
- global_adoption_2023
- 3% of world's farmers
Lore & Background
Primitive drip irrigation using buried, unglazed clay pots was described in China during the first century BCE. Modern development began in Germany in 1860 with subsurface clay pipe experiments, expanded in the 1920s to perforated pipe systems, and later saw plastic water distribution developed in Australia by Hannis Thill. The plastic emitter was developed in Israel by Simcha Blass and his son Yeshayahu, who used friction to slow water through larger passageways, preventing clogging. The first experimental system was established in 1959, and Blass partnered with Kibbutz Hatzerim in 1964 to create Netafim, which patented the first practical surface drip irrigation emitter.
Reader's Guide
Drip irrigation's significance lies in its potential to save water and nutrients by placing water directly into the root zone and minimizing evaporation. As of 2023, only 3% of the world's farmers use it, mostly for row crops, greenhouses, and vineyards. The technology has been revolutionary, with reports of saving 70% of water in rice growth and enabling vegetable production in arid environments using saline water. In California, adoption grew from 5% of irrigated land in 1988 to 40% by 2010. Global expansion has been fastest in China and India, with over ten million hectares using micro-irrigation by 2012, though this was less than 4% of the world's irrigated land. Netafim remained the global market leader as of 2018, with Jain Irrigation second. The system's efficiency depends on design, installation, maintenance, and operation, and careful study of local conditions is needed for optimal use.
Did You Know?
- Ancient Chinese texts from the first century BCE describe buried clay pots for irrigation.
- Modern drip irrigation was invented in Israel in the 1960s by Simcha Blass and his son Yeshayahu.
- As of 2023, only 3% of the world's farmers use drip irrigation.
- Drip irrigation can save up to 70% of water in rice growth, according to The Times of Israel.
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