Summary
We suggest that any real declines are generally most easily explained by changes in cultivated varieties between 1950 and 1999, in which there may be trade-offs between yield and nutrient content.
Outcomes reported
Source report: Diets & Regenerative Agriculture: Can Regenerative Agriculture support food security and diet goals? (2025); Diets & Regenerative Agriculture (2025) File: Diets and Regenerative Agriculture.pdf Ref#: Diets and Regenerative Agriculture.pdf #12 Original: Davis DR, Epp MD, Riordan HD (2004). Changes in USDA food composition data for 43 garden crops, 1950 to 1999. J Am Coll Nutr. Dec; 23(6):669-82. doi: 10.1080/07315724.2004.10719409. PMID: 15637215.; 23(6):669-82. doi: 10.1080/07315724.2004.10719409.PMID: 15637215
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