New/fresh. A spring gives out fresh, new water. A spring bounces back with new, reversed energy. Plants grow and sprout in the Spring.
The poem seems to revolve around a farmer and the natural world, or it may the poet and his created world. The Farmer is the speaker
It is distant past
an·tiq·ui·ty<span>anˈtikwədē/</span>noun1.the ancient past, especially the period before the Middle Ages."the great civilizations of antiquity"<span>synonyms:<span>ancient times, the ancient past, classical times, the distant past"the civilizations of antiquity"</span></span>