Final answer:
The authors' most likely overall purpose in the article is to support soil conservation by imparting the importance of how food is grown and the impact it has on the environment.
Step-by-step explanation:
The most likely overall purpose in the article is option D) To support soil conservation by imparting the importance of how food is grown and the impact it has on the environment. The article emphasizes the importance of soil health and its impact on crop success and ecosystem services. It discusses negative effects of current farming practices and highlights alternative and sustainable practices for farming and land use.