What does it mean to radiate silver light on the fields?

This sentence comes from Ai Qing's "Autumn Morning", which symbolizes this kind of yearning and pursuit of hope and dawn.

Ai Qing's works generally describe symbolic things such as the sun, torches, and dawn, expressing Ai Qing's hatred of the darkness and terror of the old society and his yearning and pursuit for dawn, light, and hope. Starting from his love for rural working people and his desire to be close to them, Ai Qing has been presenting his most sincere poetry to them for more than ten years.

Ai Qing's poetry inherits the fine tradition of the "May Fourth" new literature with its characteristics of being closely integrated with reality and full of fighting spirit. It also becomes an important harvest for the development of new poetry with its exquisite and innovative artistic style. This not only reflects the author's artistic talent, but also bears in mind his serious and arduous artistic practice. In his poetry, his full enterprising spirit and rich life experience bring vividness. Ai Qing's poems have distinct and profound images. As the poem ends, the image is completed. Image not only refers to people, but also includes the visualization of objects, thoughts, etc.