How hydroponics works, types, and pros and cons. Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman University and a Sustainable Tourism ...

This beginner’s guide to outdoor hydroponic gardening covers everything from choosing simple systems like wick or DWC to ...

That facility has many advantages but is no piece of cake, Hartshorn said: Hydroponic systems lack soil's buffering effect against swings in acidity, microclimate and nutrient levels.

In a hydroponic garden, plants are grown by suspending their roots in a concentrated solution of water and nutrients rather than in a bed of soil. This type of soil-less garden has seen an ...

Tuayai / Getty Images How to Start a Hydroponic Garden . Plants really just need water, sunlight, carbon dioxide, and nutrients in order to grow; but hydroponics supplies the plant with those ...

If the pH levels fall below or above the normal range of 5.5 to 6.5, then it's your cue to adjust the nutrient solution with baking soda or white vinegar, respectively, to avoid nutrient deficiencies.

Hydroponic farm units would let shops, restaurants, schools and households grow their own fresh produce, reducing need for imports; idea is the latest from team behind Hong Kong urban farm ...