Ilimin kimiyyar noma shine kimiyya da fasaha na samar da amfani da tsirrai a cikin aikin gona don abinci, mai, fiber, nishaɗi, da maido da ƙasa. Agronomy ya zo ya ƙunshi aiki a fannonin ƙwayoyin halittar tsirrai, ilimin kimiyyar shuka, meteorology, da kimiyyar ƙasa.Aikace -aikace ne na haɗin kimiyyar kamar ilmin halitta, ilmin sunadarai, tattalin arziƙi, kimiyyar ƙasa, kimiyyar ƙasa, da kwayoyin halitta . Kwararru a fannin aikin gona ana kiranta agronomists.   Wannan yanki na aikin gona ya ƙunshi zaɓin tsirrai don samar da mafi kyawun amfanin gona a ƙarƙashin yanayi daban -daban. Kiwo na shuka ya haɓaka yawan amfanin gona kuma ya inganta ƙimar abinci mai yawa na amfanin gona, gami da masara, waken soya, da alkama . Ya kuma haifar da haɓaka sabbin nau'ikan tsirrai. Misali, an samar da hatsin hatsi da ake kira triticale ta hanyar hatsin hatsin hatsi da alkama. Triticale ya ƙunshi furotin mai amfani fiye da hatsin rai ko alkama. Har ila yau, aikin gona ya taimaka wajen binciken samar da 'ya'yan itace da kayan marmari.