Sharar ciyayi shi ne duk wani sharar da za a iya lalatar da shi wanda galibi tushen a cikin carbon ne. Kalmar ta haɗa da abubuwa kamar yankan ciyawa, busassun ganye, rassa, ciyawa, takarda, baƙar fata, cobs na masara, kwali, alluran pine ko cones, da sauransu Carbon ya zama dole don yin takin, wanda ke amfani da haɗe-haɗe na koren sharar gida da sharar ƙasa mai launin ruwan kasa don haɓaka hanyoyin ƙananan ƙwayoyin cuta waɗanda ke cikin tsarin lalata. Takin dattin launin ruwan kasa mai ɗorewa yana dawo da carbon zuwa zagayowar carbon . Biomass Gudanar da sharar gida Taki How to Make Compost, a Composting Guide