Posted by EditorsChoice Friday, 28 September 2007 Before entering into a discussion as to why digital ballasts are superior to the old-fashioned magnetic core and coil types, it may be helpful to know exactly what a ballast system is in terms of hydroponic gardening and grow lights.
Education trends: Hydroponics: a new glimpse of agriculture
By Kate York,
WATERFORD — Waterford High School has its share of unique class offerings, from ceramics to construction, but only students in one class there can say they’ve created their own miniature ecosystem.
Rooftop produce project. No squirrels, raccoons, slugs MARY LAMEY, The Gazette Published: Thursday, September 27
High above the streets of N.D.G., a vegetable garden has sprouted on the roof of the Queen Elizabeth Health Centre.
Since July, the garden has produced more than 113 kilograms of fresh fruit and vegetables - armloads of fragrant basil, cherry and field tomatoes, cantaloupes, sweet and hot peppers, eggplant, zucchini, swiss chard and spinach - for the N.D.G. Food Depot.
"This is only an experiment, but imagine the potential,' said Marc-André Valiquette, an Agriculture and Agri-Food Canada biologist.
Morocco's Delassus Group has set up a sophisticated hydroponic solution for its cherry tomato farm Duroc, in order to preserve local water and minimise waste.
High above the streets of N.D.G., a vegetable garden has sprouted on the roof of the Queen Elizabeth Health Centre.