Shiva Purana

siva.sh/siva-purana/rudra-samhita/14/48

पलद्वययुतं तत्र मानमेतत्पुरातनम् ।। यवपूजा च मुनिभिः स्वर्गसौख्यविवर्द्धिनी ।। ४८ ।।

sanskrit

That (measure) is traditionally considered to be two palas (units of weight); this is the ancient standard. And the worship with barley (Yavapūjā) is said by the sages to increase heavenly bliss.

english translation

paladvayayutaM tatra mAnametatpurAtanam || yavapUjA ca munibhiH svargasaukhyavivarddhinI || 48 ||

hk transliteration by Sanscript