 नवाग्रयणपूजाभिरभ्यर्च्य पितृदेवताः।कृताग्रयणकाः काले सन्तो विगतकल्मषाः।। 
 Pious men offer their libations of the first crop at Agnistoma sacrifice and thereby please their manes and get rid of their sins.  