Upadanasutta 4.2

4.2

tatra puriso na kālena kālaṃ sukkhāni ceva tiṇāni pakkhipeyya, na sukkhāni ca gomayāni pakkhipeyya, na sukkhāni ca kaṭṭhāni pakkhipeyya.

And no one would toss in dry grass, cow dung, or wood from time to time.