Don alamun farko na damuwa na amfanin gona, irin su fari, ana iya samun su ta hanyar nazarin tsarin tushen. Amma don yin nazarin tushen daidai, mafi yawan lokuta ya zama dole don lalata shuka. Masana kimiyya na Amurka daga Laboratory National. Lawrence a Berkeley (California) sun ƙirƙira na'urar firikwensin na musamman don nazarin halayen tushen tsirrai, wanda ke ba da damar samun bayanai game da tushen ba tare da cutar da shuka kanta ba.
Muna magana ne game da na'urar daukar hoto ta lantarki na rhizosphere (TERI). Na'urar na iya tattara bayanai game da halaye na tushen (tsawon, taro da diamita). Sabbin na'urori masu auna firikwensin suna aiki ta hanyar aika ɗan ƙaramin adadin wutar lantarki zuwa tushen shuka. Na'urar firikwensin, jin amsawar wutar lantarki na tushen da ƙasa ba tare da ɓarna ba, yana ba da bayani game da halayen da ake buƙata na tushen.
Ya zuwa yanzu, an gwada fasahar akan waken soya da masara. Jerin gwano don dankali. Wannan hanya za ta iya taimaka wa masana kimiyya su kalli noman amfanin gona daga sabon salo.