# Cornell scientists develop colour-changing tomatoes to signal low nitrogen levels

- Source: World News, Today World News, Latest International News, World Breaking News, Trending News of World - Times of India
- Published: 2026-10-31T20:00:00+00:00
- Category: World
- Original: https://timesofindia.indiatimes.com/science/discovery/cornell-scientists-engineered-tomatoes-that-turn-red-purple-when-nitrogen-is-low-and-are-testing-whether-the-colour-change-can-help-farmers-use-fertiliser-more-precisely/articleshow/135304716.cms
- Canonical: https://groundlevelnews.com/story/cornell-scientists-develop-colour-changing-tomatoes-to-signal-low-nitr-c326da/

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