Five Major Perks Of Agricultural Heritage Systems Agricultural heritage systems may sound like they belong to the past, or like they are very limited to specific cultural contexts and thus unable to teach lessons that can elicit universal interest. They may sound like that, but that's not what they are: an agricultural heritage system might be being developed in your very own city, right now, while some system from Peru or India is being studied at an Ivy League college ecology department for lessons of how to manage crop production more efficiently.