Kiyaye ƙasa shi ne rigakafin asarar saman mafi yawan ƙasa daga zazzagewa ko rigakafin rage yawan haihuwa wanda ya haifar da yawan amfani, acidification, salinization ko wasu gurɓataccen ƙasa . Yanke-da-ƙone da sauran hanyoyin da ba za su dore ba na noman rayuwa ana yin su a wasu ƙananan yankuna. Ci gaba da sare dazuzzuka shine yawanci zaizayar kasa mai girma, asarar sinadiran ƙasa da kuma kwararowar hamada . Sannan Kuma Dabaru don inganta kiyaye ƙasa sun haɗa da jujjuya amfanin gona, amfanin gona na rufewa, noman kiyayewa da shukar iska, suna shafar zaizayar ƙasa da haihuwa . Lokacin da tsire-tsire suka mutu, sun lalace kuma su zama ɓangaren ƙasa. Lambar 330 ta bayyana daidaitattun hanyoyin da Sabis ɗin Kare Albarkatun Ƙasar Amurka suka ba da shawarar. Manoma sun yi aikin kiyaye ƙasa tsawon shekaru dubu. Kuma A Turai, manufofi irin su Manufofin Aikin Noma na gama gari suna yin niyya don aiwatar da mafi kyawun ayyukan gudanarwa kamar rage noman noma, amfanin gona na hunturu, ragowar tsire-tsire da iyakokin ciyawa don inganta yanayin kiyaye ƙasa. Ana kuma bukatar daukar matakan siyasa da tattalin arziki don magance matsalar zaizayar kasa.