A hydroponics system can be fully automated. Since it is water-based, the gardener has no soil to dig or weeds to pull. Also, the water can be re-used to prevent wastage.
With hydroponics, an excellent yield of quality plants can be easily achieved. Home hydroponics systems and DIY kits are are readily available in most hardware stores.
Hydroponics and backyard aquaponics are the latest trends in growing food at home without polluting the atmosphere or the using harmful and toxic chemicals. Check out the details here - http://www.spwindia.org/review/diyaquaponics/aquaponics4you/