Iterate geojson data in a flatlist

Hello i want to make a flatlist with the geojson data
i want to access to 3 properties attributes and iterate it
the problem is i have only access in one data the same data is iterate it
//mon code

//la requete retourne un geojson
    const getAllAgr = () => {
          fetch('https://api.tolbico.com/api/agences/1/agriculteurs/', {
             method: 'GET',
             headers: { 
               'Authorization': 'Bearer '+ Token,
              'Content-Type': 'application/json'
             },
           }).then((response) => response.json())
           .then((json) =>{
              setAgriculteurs(geo.getProperties(json))
           
             })
          
    }
    useEffect(()=>{
        getAllAgr() 
        
         },[])            
    
       
    
        return (
                 //flatlist pour afficher les information      
                 <SafeAreaView>
                
                   <FlatList
                        
                      data={agriculteurs}
                      //keyExtractor={(item) => item.id.toString()}
                       renderItem={({item}) => <ListesAgr agro={item}/> }
                       />
    
                 </SafeAreaView>
        )
    }