An electric toothbrush in gardenThis year’s onslaught of heat waves has left gardeners in an odd spot. Though strawberries and bumper crops may have come thick and fast earlier in the year, the relentlessly high temperatures we’ve seen this summer spell disaster for your grass. But a bumper season for ladybirds and a slow one for slugs might, at least, somewhat alleviate the stresses of fruit and veg growers in this horrid heat. For tomato growers in particular, though, “Farmer Jeff,” who grows fresh produce around the back of his townhouse, has some unorthodox advice. Using an electric toothbrush on the plants, he claimed, “tripled” his tommie harvest.Why would using an electric toothbrush help my tomato yield?Jeff admitted that he’s allergic to pollen, but uses the electric toothbrus