Nutrients in our food are declining. Can regenerative agriculture save it?
The calcium content in carrots fell by more than a quarter between the mid-1970s and the last 1990s, according to the US Department of Agriculture. Photograph: Marcio José Sánchez/APView image in fullscreenThe calcium content in carrots fell by more than a quarter between the mid-1970s and the last 1990s, according to the US Department of Agriculture. Photograph: Marcio José Sánchez/APVegetablesNutrients in our food are declining.
- ▪The calcium content in carrots fell by more than a quarter between the mid-1970s and the last 1990s, according to the US Department of Agriculture.
- ▪Photograph: Marcio José Sánchez/APView image in fullscreenThe calcium content in carrots fell by more than a quarter between the mid-1970s and the last 1990s, according to the US Department of Agriculture.
- ▪Photograph: Marcio José Sánchez/APVegetablesNutrients in our food are declining.
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| Original publisher | The Guardian — Science |
| Canonical URL | https://www.theguardian.com/food/2026/jul/24/nutrition-food-declining-can-regenerative-agriculture-save-it |
| Publication time | Fri, 24 Jul 2026 12:08:25 GMT |
| Retrieval time | 2026-07-24T12:22:43.243Z |
| Last seen | 2026-07-24T12:22:43.243Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | g_QxZfR2-Vxb |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
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The calcium content in carrots fell by more than a quarter between the mid-1970s and the last 1990s, according to the US Department of Agriculture. Photograph: Marcio José Sánchez/APView image in fullscreenThe calcium content in carrots fell by more than a quarter between the mid-1970s and the last 1990s, according to the US Department of Agriculture. Photograph: Marcio José Sánchez/APVegetablesNutrients in our food are declining. Can regenerative agriculture save it?Approach focuses on rebuilding soil health, increasing biodiversity and restoring natural ecosystemsHugh ThomasFri 24 Jul 2026 08.08 EDTSharePrefer the Guardian on GoogleFor the last few decades, the nutrient content of our crops has been declining.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at The Guardian — Science.
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