On 11 August 2005 , after the resignation of Yoshinobu Shimamura , Iwanaga became Minister of Agriculture . On August 11 , 2005 , Iwanaga became Minister of Agriculture following the resignation of Yoshinobu Shimamura .
Pada 11 Ogos 2005, selepas peletakan jawatan Yoshinobu Shimamura, Iwanaga menjadi Menteri Pertanian. Pada 11 Ogos 2005, Iwanaga menjadi Menteri Pertanian berikutan peletakan jawatan Yoshinobu Shimamura.