Those might belong also to the principle of creation, as explained on the page Lines in Crop, but not necessarily so. But it is not excluded that some of the patterns were actually created in a similar way, through metal or other more conductive objects, not very deep underground, but below the deep plowing.
Wale pia wapate mali ya kanuni ya uumbaji, kama Explained kwenye ukurasa Lines katika mazao, lakini si lazima Sat Lakini si kutengwa Kwamba baadhi ya mifumo walikuwa kweli umba katika njia Sawa, kwa njia ya chuma zaidi au vitu vingine conductive, si kirefu sana chini ya ardhi, lakini chini ya kulima kirefu.