Agniveshyagrihyasutra 2.5.12.4

2.5.12.4

athālahvānāt pūrvaṃ carūrjaṃ śrapayitvātha puṇyāhaṃ vācayitvā adbhirmārjayitvā āpo hi ṣṭhā mayobhuva iti tisṛbhiḥ hiraṇyavarṇāḥ śucayaḥ pāvakā iti catasṛbhiḥ pavamānaḥ suvarjana ityetenānuvākenātha piṇḍaṃ dadāti kṣetrasya pate madhumantamūrmiṃ dhenuriva payo asmāsu dhukṣva \

Then, before calling [for the harvest], having cooked a strengthening caru, having made [Brahmins] declare an auspicious day, having sprinkled [himself] with water with the three verses: "Waters indeed are refreshing...", with the four verses: "Golden of color, pure, purifying...", and with this section: "The purifying [Soma], the heavenly light...", he then gives a rice-ball with: "O Lord of the field, yield for us a honeyed wave, as a cow yields milk!