The Red Wheelbarrow Duty Quotes

Is the emphasis here on the "so" or on the "much?" When you read it aloud, do you hear "SO much depends" or "so MUCH depends?" Does it make a difference? How does each emphasis change our understanding of what depends upon the wheelbarrow?

Why has such an important tool been left out in the rain?

What role could a wheelbarrow have in helping chickens? Why does our speaker feel the need to tell us that the wheelbarrow is beside the chickens?