Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Changes in USDA Food Composition Data for 43 Garden Crops, 1950 to 1999

Donald R. Davis; Melvin D. Epp; Hugh D. Riordan

Informa UK Limited · 2004

Read source ↗ All evidence

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

Theme
Farming systems, soils & land use
Subject
Peer-reviewed research
Study type
Research
Source type
Peer-reviewed research
Status
Published
Geography
UK
DOI
10.1080/07315724.2004.10719409
Catalogue ID
IRmohfq8ok-c37480
Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.