The special rice fields called Kuden or Zaden were established and used for operating Miyaza, and for Shinsen (food and alcohol offering to the gods) in the rituals; Toya gave a special treatment to those rice fields by cultivating them without using dung for fertilizer to achieve purity.
宮座の運営及び祭祀の神饌などにあてるために宮田・座田と呼ばれる特殊な田地が設定され、頭屋が清浄を重んじて下肥を用いずに耕作するなどの特殊な配慮が行われていた。