| Hydroponics Red La Molina Univ., PERÚ - Bulletin under managment of Biologist Alfredo Rodríguez Delfín |
http://www.lamolina.edu.pe/hidroponia |
| Engº. Raúl Vergueiro Martins, BRAZIL | http://www.hydor.eng.br |
| Mexican Hydroponics Society AC, MÉXICO President: Mrs. Gloria Samperio Ruíz CP |
http://www.hidroponia.org.mx |
| Hydroponics and Gardening Supplies - USA | http://www.advancednutrients.com/ |
| International Society of Hydroponics Consultors | http://www.hidroponiainternacional.com |
| Rob Morley-Smith, NEW ZEALAND | http://www.hydrosupply.com |
| Trefilería Aliseda, SPAIN Equipment for green fodder production based in my publications |
http://www.trefileriaalisedasl.com |
| Aerogarden, ENGLAND | http://www.aerogarden.co.uk |
| Green Fodder and Sprouts List | greenfodder@yahoogroups.com |
| Hydrolist (American Hydroponics Society List) |
http://groups.google.com/group/hydrolist |
| J. Alvarez García (México) |
http://members.fortunecity.es/jalvarezg/ |
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