Featured Image: Gadget Review A backpack sprayer is a flexible, time-saving instrument for putting chemical products into gardens, trees, and turf to help kill bugs, enrich your soil, and nourish your plants.  New gardeners are usually reminded of spraying their backyards to eliminate invasive species and weeds, but they are not told how. While an entire garden might definitely be sprayed with nothing more than a spray bottle, backpack sprayers present a more useful means of combating weeds over a big grassy area. 1. Field King [...]