UN warns 25 pct of world land highly degraded

(AP) -- The United Nations has completed the first-ever global assessment of the state of the planet's land resources, finding in a report Monday that a quarter of all land is highly degraded and warning the trend must be ...

Study: Biodiversity improves crop production

Ecologists and biologists compared data of about 1,500 agricultural fields around the world, including corn fields in the American plains, oilseed rape fields in southern Sweden, coffee plantations in India, mango plantations ...

Prehistoric food globalization spanned three millennia

Since the beginning of archaeology, researchers have combed the globe searching for evidence of the first domesticated crops. Painstakingly extracting charred bits of barley, wheat, millet and rice from the remains of ancient ...

Rice plants that grow as clones from seed

Plant biologists at the University of California, Davis have discovered a way to make crop plants replicate through seeds as clones. The discovery, long sought by plant breeders and geneticists, could make it easier to propagate ...

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