Rasendrapurana 3.110

Rasendrapurāṇa 3.110

kacchapayaṃtram
kharparaṃ pṛthukaṃ samyag vistāraṃ tasya madhyataḥ
ālavālaṃ puṭe kṛtvā tanmadhye pāradaṃ kṣipet