The line “Hold like rich garners the full-ripen’d grain” contains simile and alliteration.
A simile is used to compare things and it usually involves the use of "like" or "as". In the line “Hold like rich garners the full-ripen’d grain”, the word "like" is used to compare two unrelated things.
Alliteration is the repetition of a sound or letter at the begenning of words that are close together. In the line, the words "ganers" and "grain" are close together and start with the same letter <g> and phoneme /g/.
