in Thoreau’s Journal:

One reason why the lately shorn fields shine so and reflect so much light is that a lighter-colored and tender grass, which has been shaded by the crop taken off, is now exposed, and also a light and fresh grass is springing up there.

Yet I think it is not wholly on this account, but in a great measure owing to a clearer air after rains which have succeeded to misty weather. I am going over the hill through Ed. Hosmer’s orchard, when I observe this light reflected from the shorn fields….