Final answer:
The article's authors aim to inform and persuade readers about the significance of healthy eating and its incorporation into educational programs to influence healthier lifestyles.
Step-by-step explanation:
The authors' purpose for writing the article seems to be focused on both healthy eating and education. Considering the content refers to topics such as growing healthy foods, healthy eating as a part of a child's education, the need to prevent obesity, and the task of writing an argumentative research essay on a food-based topic, it is evident that the authors aim to inform and to persuade readers.
Their goal appears to be to raise awareness about the origins and benefits of healthy food choices and to encourage readers to adopt healthier habits and possibly support specific health policies.