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Edward Joy
Senior research fellow in food systems and nutrition at Rothamsted Research and associate professor at the London School of Hygiene & Tropical Medicine, specializing in links between agriculture, soils, and human micronutrient nutrition.
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Jan 13, 2026
• 41min
#590: Is the Nutrient Density of Crops Declining? – Edward Joy, PhD
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Dr. Edward Joy, a senior research fellow specializing in agriculture and nutrition, dives into the pressing issue of nutrient density in crops. He discusses how modern farming practices and soil health may be causing declines in essential micronutrients like iron and zinc. Through historical evidence, he highlights shifts in crop composition since the 1970s. Dr. Joy also explores potential solutions, including breeding strategies and soil management techniques, emphasizing the importance of nutrient-rich staples for public health and tackling hidden hunger.
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