Japan's Top Inventions - Season 3 - Eps 8: Film Farming
The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a method of growing produce using a transparent film: film farming. The film is made from hydrogel, a moisture-absorbing material used in disposable diapers. Sow seeds on top, and they germinate and create seedlings, leading to vegetables and other produce without soil! We dive into the little-known story behind this unique Japanese farming technology.
About Japan's Top Inventions

Title: Japan's Top Inventions
First Air Date: 2018-03-18
Last Air Date: 2025-03-29
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 8
Total Episodes: 93
Network: NHK WORLD-JAPAN
Genres: Documentary
Production Companies: NHK, Japan International Broadcasting (JIB)
Synopsis
Japanese inventions are used and loved around the world. Through interviews and reenactments, go behind the scenes and discover how Japanese craftsmanship brought these top inventions into being.