'Marion' blackberries are shown here during machine harvesting in a research plot. Fertigation and irrigation in the plots was done under the porous, polyethylene, ground cover (weed mat). Credit: ...

Skip the synthetic chemicals and find your best gardening bud with these organic, earth-friendly picks.

Even if your garden beds are rich in nutrients, most plants benefit from a regular application of fertilizer during the growing season. And houseplants also need feeding once in a while. But with all ...