Answer:
"Spring and all" relates to the conventions of pastoral poetry because:
The poem describes nature in a certain scenario but it complements it by idealizing it with a value judgment.
Explanation:
The two reasons that back the answer are that in the first place description is good and objective. However, when it is complemented with believes, and opinions, they gain a grade of value judgment. In our case the association between pastoral poetry and the poem of William is that he idealizes certain aspects of the scenario he describes like:
But now the stark dignity of
entrance—Still, the profound change
has come upon them: rooted, they
grip down and begin to awaken
Providing dignity to a natural characteristic that is improper of it. Showing his idealizations.
Dear Romeo,
I never thought that my life wasn't being lived until I met you. I came to the realization that my life is now just beginning as we progress in a series of love festivities. I will never forget you, our souls are forever intertwined.
Love, Juliet
In the above excerpt Welty was using sensory details (principally sounds) to bring her story to life, She could hear her father shaving, and her mother cooking breakfast. She could hear the whispers and whistles and the clattering of shoes as she raced downstairs. She remembered he sound of the old Victrola. She could smell the bacon frying. Through all of these sensory impressions Welty has built a vivid and memorable picture of her childhood.