Thanks to often wet and therefore substantially more conductive earth's surface, especially in tractor tracks and their immediate vicinity, up to a distance of several hundred meters or more, and then still passes evenly underground.
Shukrani kwa Mara nyingi mvua na kikubwa zaidi conductive hiyo uso wa dunia, Hasa katika nyimbo trekta na maeneo ya jirani yao haraka, hadi umbali wa mita mia kadhaa au zaidi, na kisha hupita sawasawa bado chini ya ardhi.