Jun. 25—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." All it takes is just ...

If you're starting to experiment with hydroponic growing, you might have stumbled across the term 'Kratky method.' It's a hydroponic technique that uses basic materials and little effort to ...

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Jensen Uyeda, an extension service agent with the University of Hawaii at Manoa College of Tropical Agriculture and Human Resources, places Romaine lettuce seedlings into 2-inch holes drilled into the ...