Already just only thanks to it, that they anything grow in the fields, mainly crop. If there were no fields of crop, there would be no crop circles, it is simple and understandable fact. (but there is grass, any other vegetation, and inorganic materials)
Kung walang mga patlang ng crop, mayroong Gusto hindi mga lupon ng crop, ito ay simple at naiintindihan katotohanan. (Ngunit may damo, ang anumang iba pang mga halaman, at tulagay materyales)