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

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

doi:10.1080/07315724.2004.10719409

December 1, 2004Journal of the American College of Nutrition

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

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Key Points

This research examines changes in nutrient content of garden crops from 1950 to 1999, focusing on the impact of cultivated varieties.
Analysis of USDA food composition data for 43 garden crops.
Comparison of nutrient content and yield over the specified period.
Consideration of the role of cultivated varieties in nutrient declines.
Identified real declines in nutrient content for some crops.
Trade-offs observed between higher yields and lower nutrient values.
Changes attributed to the cultivation of different crop varieties over time.

Implication

Analysis investigates nutrient changes in garden crops, suggesting trade-offs between yield and nutrient content over decades.

Abstract

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.

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Cite This Study

Davis et al. (2004) studied this question.

synapsesocial.com/papers/69dcd1f02e182f147e133451 https://doi.org/10.1080/07315724.2004.10719409

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

Key Points

Implication

Abstract

Discussion

Cite This Study

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

Key Points

Implication

Abstract

Discussion

Cite This Study

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