In many documents dealing with the issue of Crop Circles occur mention of completely unaffected plants, "foreign" admixed, in cultivated monoculture (aliens lodged (damaged, weakened) only barley, did not act on wheat also present there) - ff course, different moisture content, different resistance, different energy induced, different (lower) level of damage, greener plants may seem completely unaffected.
Katika nyingi nyaraka kushughulika na suala la duru mazao kutokea kutaja ya mimea kabisa unaffected, "kigeni" admixed, kulima katika zao moja (wageni akalala `atakuwa (kuharibiwa, dhaifu) tu shayiri, hawakuwa kutenda sasa ngano pia huko) - ff shaka, tofauti unyevu, tofauti upinzani, ikiwa nishati tofauti, tofauti (chini) ngazi ya uharibifu, Greener mimea inaweza kuonekana kabisa unaffected.