The effect of the imagery used in these lines is that the reader can visualize the fields and the sky
Explanation:
"The Gardener: 84" by Rabindranath Tagore is a poem that focuses on the use of metaphors to generate vivid sensation on the reader, by saying "Over the green and yellow rice-fields sweep the shadows of the autumn clouds followed by the swift-chasing sun" the reader can even feel the wind blowing and the sun being behind the clouds.