Possible problems may include soil-borne diseases, nutrient deficiencies, and pest and disease outbreaks. You may need to adjust your crop rotation schedule, use soil amendments, employ natural pesticides, and use eco-friendly disease control methods. For problems that you can't resolve on your own, seek advice from a gardening expert, gardening forums, or an online community. Read the full guide to learn more about the challenges of crop rotation for your indoor garden.