Chikafu chakachena kamuri inonyanya kushandiswa muchinwiwa, mukaka, chizi, howa, nezvimwewo. Iyo inonyanya kuve nekamuri yekuchinja, mhepo yekugezera, kukiya kwemhepo uye nzvimbo yekugadzira yakachena. Microbial particle iripo kwese kwese mumhepo inoita kuti chikafu chiparare zviri nyore. Imba yakachena inogona kuchengeta chikafu pane yakaderera tembiricha uye kuchenesa chikafu pakupisa kwakanyanya nekuuraya utachiona kuitira kuchengetedza chikafu chinovaka uye kunaka.
Tora imwe yekamuri yedu yekudya yakachena semuenzaniso. (Bangladesh, 3000m2, ISO 8)
