Some irrigation pipes, conducting overground, can also act as a lightning rod and be affected by lightning and magnetized. The average natural iron content in the arable land is about 30 g/kg.
Mabomba ya umwagiliaji baadhi, Kufanya Overground, pia wanaweza kutenda kama fimbo umeme na kuathiriwa na umeme na sumaku. wastani ya asili chuma maudhui katika ardhi ya kilimo ni kuhusu 30 g / kg.