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Explore evidence-based articles on Soil Fertility, including environmental impacts, sustainability evidence and broader food-system context. From Food Facts.

A farmer holds a large and bright tomato in one hand, and a smaller, less attractive tomato in the other hand.

Has the nutritional value of fruits and vegetables really declined, and should you be worried?

Studies suggest some nutrient declines in modern produce are real, but the bigger issue is that most people aren't eating nearly enough fruits and vegetables to begin with.

A scene depicting two types of apples. On the left are American apples, whereas on the right there are Italian apples, showing the comparisons that are often drawn between these countries' food

Are Italian apples really six times healthier than American apples?

Social media often compares Italian and American products. We fact-check the claim that you’d need to eat six apples in America to get the benefits from...

A cow looks at the camera and is in a farm setting. The cow is eating grass, despite being kept indoors and not out on pasture. This highlights the issues with the "grass-fed" label.

What does “grass-fed” really mean? The meaning behind the label

Grass-fed labels don't guarantee pasture access — some animals are fed dried grass indoors. Here's what the certification standards actually require.

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