Related topics: nitrogen

Efficient phosphorus use can prevent cropland expansion

More efficient use of phosphorus fertilizers would make it possible to meet food demand in 2050, without using more of the world's land for agriculture. This is what environmental scientists José Mogollón and colleagues ...

A well-balanced ecosystem uses water most efficiently

Modern human activity adds large amounts of nutrients to the environment, especially nitrogen, which is added faster than other nutrients. Although plants depend on nitrogen to live and grow, an excess of a single nutrient ...

How an 'antibiotic' helps bacteria eat

For years, scientists have known that certain bacteria produce molecules that are toxic to other bacteria when there is competition for food and space. Now, Caltech researchers have discovered these so-called antibiotics ...

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