Final answer:
Julia is engaging in sustainable agriculture, which is an environmentally responsible way of farming that focuses on maintaining the ecosystem's health to meet both current and future food needs.
Step-by-step explanation:
Julia is practicing sustainable agriculture by farming corn and wheat without using pesticides and taking care to maintain soil health. Sustainable agriculture involves methods that allow farmers to produce food in ways that are ecologically responsible—such methods include improving soil fertility, diversifying crops, and reducing reliance on synthetic inputs like pesticides. By focusing on maintaining the health of the ecosystem, sustainable agriculture aims to meet society's current and future food needs while ensuring the long-term viability of farming practices.
One important aspect of sustainable agriculture is the use of organic farming techniques that promote biodiversity and soil biological activity, which contribute to a healthier environment. Crop rotation, composting, and the implementation of agro-forestry are among the strategies used to achieve these goals. These practices are more aligned with traditional farming methods and are supported by projects like Iowa State University's Three Sisters gardening project, which fosters collaboration with Native American communities to preserve cultural values and nutritional benefits associated with traditional intercropping methods.