Josefine Diaz plucks seedlings, spreading them out wider in rafts so they can grow into full heads of butter lettuce without squishing into one another. She pushes away the completed trays through a ...

Hydroponic gardening, in a nutshell, is growing plants in a nutrient solution without soil, and aquaponics is growing plants and fish in a symbiotic relationship. While many think these are new, Space ...