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Experience with aeroponics for pre-basic seed potato production in Sichuan, China. Wei He, Sichuan Academy of Agricultural Sciences, China KaiYuan Xie, International Potato Center, Beijing, China Peter VanderZaag, Sunrise Potato, Alliston, Ontario, Canada. Aeroponics defined Dictionary:
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Experience with aeroponics for pre-basic seed potato production in Sichuan, China
WeiHe, Sichuan Academy of Agricultural Sciences, China KaiYuan Xie, International Potato Center, Beijing, China Peter VanderZaag, Sunrise Potato, Alliston, Ontario, Canada
Aeroponics defined • Dictionary: • aero – Greek word meaning air • ponos – Greek word meaning labor • 2. Practically: • growing plants in air • without any medium
Aeroponics benefits Oxygen available to root zone Greatly reduced pathogen pressure Greater control of plant environment Nutrients all utilized No growing media needed User friendly
History of Aeroponics Experiments 1980s – NASA – feeding people in space and on Mars 1990s – South Korea 2000s – Vietnam & China
Wenchuan Earthquake, May 2008 70,000 killed &15,000,000 affected
Wenchuan Earthquake, May 2008 International & Chinese Response
CGIAR, CIP, CAAS Rehabilitation Project in Sichuan, China
Step 1. Large scale in-vitro • multiplication
Step 1. Large scale in-vitro • multiplication
Step 2. Tissue culture plants • placed in aeroponic beds
Sketch of Aeroponic system plant plastic pad pump box sprayer timer supply pipe filter returned pipe medium pool
Step 3. Apical cuttings • placed in aeroponic beds
Step 4. Apical cuttings • growing in aeroponic beds
Step 4. Apical cuttings • growing in aeroponic beds
Step 4. Tuber production • in aeroponic beds
Step 5. Tubers harvested • from aeroponic beds
Results & Impact 2013 Aeroponics on 10,000 sq. m Average of 5,000 tubers/sq. m 40% improvement since 2007 Up to 75 tubers/plant/crop
Dr. He Wei sharing the Aeroponics StoryWorld Potato Congress, Edinburgh, May 2012