Apparently this has been confirmed by Disney Pixar developers. Life = Complete
Gardening the Hydroponic Way --Hydroponic gardening refers to using no soil only nutrients to sustain the plants, fruits, or vegetables you are growing. Hydroponic gardening has been around for awhile and is especially useful when the soil obtained is not of the highest quality. Below you will find additional information and tips on hydroponic gardening and how to do it.