These are examples of phenomena, some of which have very long ago, some very closely precede the actual phenomenon of lodging (damaging, weakening) crop in the case of periodic patterns.
Hii ni mifano ya matukio, baadhi ya Ambao mrefu sana iliyopita, baadhi sana Karibu kutanguliza jambo halisi ya makaazi (kuharibu, kudhoofika) mazao katika kesi ya mifumo upimaji.