A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

The other way to keep nitrogen in the ground is fertiliser. Keeping this cycle going in a sustained manner is what organic agriculture has been about for the last 11,000-odd years. Composting ...

Thus, this circulation of carbon is known as the slow carbon cycle. Similar to carbon, nitrogen is a necessary component of biological molecules. Some of these molecules include amino acids and ...

plants and animals in the nitrogen cycle. Subscribe to Technology Networks’ daily newsletter, delivering breaking science news straight to your inbox every day. Subscribe for FREE The team believe the ...

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Medical, biology, anatomical poster for education and gene center ... Sex chromosome. Biological study. The nitrogen cycle showing relationship between the three main nitrogen pools atmospheric soil, ...

But that nitrogen influx has disrupted Earth’s natural nitrogen cycle. Today, nitrogen pollution is causing overshoot of several planetary boundaries. Nitrates pollute waterways, causing ...

But how can agriculture affect the nitrogen cycle? How has it managed to reach a breaking point? To feed the world, isn’t intensive agriculture best? Let’s take stock of the situation.

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She said guano contained phosphorus and nitrogen "which allow phytoplankton ... as droppings were part of nature's cycle. Portobello beach, where one of the posters features on a large litter ...