Chifukwa cha nyengo zolimba, zoletsa za malo, ndi zipatso zomwe zimatha kuwonongeka, malonda a zipatso akukumana ndi zovuta. Kusakwanira kosungirako komanso ukadaulo wopanda ungwiro wosunga mwatsopano kumabweretsa kuwonongeka kwa zipatso ndi kutayika kwakukulu. Izi zakhala chinthu chachikulu chomwe chikulepheretsa chitukuko cha chakudya chaulimi ndikusokoneza ndalama za alimi komanso kupikisana kwa msika. Kupeza njira yotetezera yogwira mtima kwakhala vuto lachangu lomwe liyenera kuthetsedwa.
