Hydroponics -- Africa : Insect and hydroponic farming in Africa : the new circular food economy / Dorte Verner, Nanna Roos, Afton Halloran, Glenn Surabian, Edinaldo Tebaldi, Maximillian Ashwill, Saleema Vellani, and Yasuo Konishi
Hydroponics -- Australia -- Congresses. : Sixth Australian Hydroponic Conference, Mingara Recreation Club, Central Coast, New South Wales, Australia, 29 July-1 August 2001 / edited by Bruce Laffer
Hydroponics -- China : Taste of China. Part 4, Water farmers / a film series by Sue Yung Li ; produced by Sue Yung Li ; director and associate producer, Michael Lerner
Hydroponics -- Handbooks, manuals, etc. : Hydroponic capsicum production : a comprehensive, practical and scientific guide to commercial hydroponic capsicum production / Lynette Morgan, Simon Lennard