All it takes is just a little water and fertilizer to grow a head of lettuce with a low-cost, efficient system of hydroponic gardening widely known as “the Kratky method.”
'Bows help Big Red grow in horticulture knowledge | University of Hawaiʻi System News hawaii.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hawaii.edu Daily Mail and Mail on Sunday newspapers.