in terms of composition, he adopted the form of golden section.
In terms of color, he used the relationship of contrast and complementarity.
From the ideological point of view: crows and golden wheat fields, this crow may be different from the crows in Van Gogh's heart at that time in China culture. This is a cultural difference. Dark clouds and a flock of dark crows give you endless imagination. The golden wheat field gives you a happy mood.
From the perspective of painting techniques, we can see that the author is very restless and full of passion. I have endless yearning for nature, and at the same time I feel terrible about the future.