Deficit irrigation

Rashi ban ruwa
Deficit irrigation (DI) dabarun shayarwa ce wacce za a iya amfani da ita ta hanyoyi daban-daban na aikace-aikacen ban ruwa. Madaidaicin aikace-aikacen DI yana buƙatar cikakkiyar fahimta game da amsawar da ake samu ga ruwa (hankalin amfanin gona ga damuwa na fari) da kuma tasirin tattalin arziki na raguwa a cikin girbi.] A yankunan da albarkatun ruwa ke da iyaka, zai iya zama mafi riba ga manomi don haɓaka yawan amfanin gonar amfanin gona maimakon yawan girbi a kowace ƙasa.Ana iya amfani da ruwan da aka ajiye don wasu dalilai ko don ban ruwa raka'a na ƙasa[3]. Wani lokaci ana kiran DI azaman ƙarin ban ruwa wanda bai cika ba ko DI da aka tsara.