peat – tsire-tsire na bogi, nau’in gansakuka wanda aka samo peat daga gare ta. Peat yana samuwa a cikin ɓacin rai marar zurfi wanda ake kira swamps a cikin sanyi, danshi, rashin oxygen, yanayin acidic. Irin wannan yanayi ne yafi samu a arewacin hemisphere (a Kanada, Scandinavia da kuma Rasha), a cikin irin wannan mazauninsu microbial rayuwa ne dormant da ciyayi, yafi mosses, accumulates a cikin m yadudduka a cikin wani Semi-bazuwar jihar. Wannan peat ne. Adadin peat ɗin tsoho ne kuma ya fara farawa shekaru dubu 14 da suka gabata. Ana cire waɗannan ajiyar ta hanyar injuna waɗanda ke yanke ɓangarorin 10-20 cm cikin kauri, sannan a bushe. Peats sun bambanta a cikin abun da ke ciki da kaddarorin, dangane da nau’ikan tsire-tsire da aka tara da kuma matakin bazuwar. Duk nau’ikan peat sune acidic. Ana amfani da su sosai a cikin haɗuwa, sau da yawa a hade tare da yashi da loam, tare da gabatarwar kwayoyin halitta a cikin mahaɗin kuma tare da pH mai kyau.
An rarraba peat zuwa nau’i uku, daga mafi ƙanƙanta zuwa mafi girma: haske, duhu da baki. Hakanan ana iya rarraba ta gwargwadon nau’in shukar da ke cikin ta da kuma yawan sinadiran da ke cikin ta. Duk nau’ikan peat suna da ƙarfin danshi kuma suna raguwa yayin ban ruwa. Sabili da haka, kuma saboda acidity na su, ba za a iya amfani da su a cikin tsarkakakken yanayin su a cikin tukwane ba, amma a cikin ƙananan yawa don tushen yankan da shuka iri.
Musanya cation na peat ya bambanta a kan kewayo mai yawa, ya danganta da matakin lalata. Da yawan peat ɗin ya lalace, ƙarin musayar ion da hulɗar sinadarai tare da maganin gina jiki.
