Crop Parasites Can Be Deterred By “Electric Fences”
4 min read Miniscule parasites can cause big problems for many important crops. Wayne Nishijima Imagine you’re a baby cocoa plant, just unfurling your first tentative roots into the fertile, welcoming soil. Somewhere nearby, a predator stirs. It has no ears to hear you, no eyes to see you. But it knows where you are, thanks in part to the weak electric field emitted by your roots. It is microscopic, but it’s not alone. By