The consideration is based on the fact, that for example the stalk of barley is so little solid, that even at the slightest increased mechanical stress near the ear or damage (withering) the whole plant the ears begin to noticeably rotate down significantly before, than it was during their natural growth and development.
Maanani ni msingi Ukweli, Kwamba kwa mfano ufito wa shayiri ni hivyo kidogo imara, hata katika dhiki kidogo Kuongezeka mitambo karibu kupanda sikio au uharibifu (Withering) nzima masikio kuanza kwa mzunguko chini kwa kiwango kikubwa liko mbele, Than ilikuwa Wakati ukuaji yao ya asili na maendeleo.