Shatapatha Brahmana 1.1.4.20

1.1.4.20

atha havirnirvapati | prati tvā varṣavṛddhaṃ vettviti varṣavṛddhā u hyevaite yadi vrīhayo yadi yavā varṣamuhyevaitānvardhayati tatsaṃjñāmevaitacūrpāya ca vadati nedanyo 'nyaṃ hinasāta iti

He then pours out the (threshed) rice (from the mortar into the winnowing basket), with the text (Vâg. S. I, 16 c): 'May the rain-grown acknowledge (receive) thee!' For rain-grown also are these (grains), whether they be rice or barley, since it is the rain that makes them grow. By these words he establishes an understanding between them and the winnowing basket, in the hope 'that they will not injure each other.'