Bhagavatapurana 4.24.10

4.24.10

yasyedaṃ deva-yajanam anuyajñaṃ vitanvataḥ /
prācīnāgraiḥ kuśair āsīd āstṛtaṃ vasudhā-talam //

10. The whole surface of his earth (_kingdom_) became converted into one hall of divine sacrifices which he _continuously_ performed when the _earth_ was covered with Kusa grass with its pointed ends turned to the east.