American Society of Agronomy

Covering the bases with cover crops

Most of us think that farmers grow and harvest crops for food. That's true for many crops: they either feed humans or farm animals. However, there's another category of crop that has a vital function in agricultural systems.

dateSep 30, 2015 in Environment
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When trees aren't 'green'

Most of us don't consider forests a source of pollution. As natural bodies, they should be good for the environment. But a recent study in Japan shows that older cedar and cypress plantations are causing as much pollution ...

dateJun 10, 2015 in Environment
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Fingerprinting erosion

You may have noticed that after a heavy rainstorm, creeks and rivers often turn the color of chocolate milk. That cloudy brown color is caused by sediments—weathered rock material ranging in size from tiny granules of mud ...

dateSep 02, 2015 in Environment
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Hypoallergenic parks: Coming soon?

Ah-choo! If you suffer from seasonal allergies, you're probably sick of this refrain. And you're not alone. Millions of Americans suffer from seasonal allergies. Moreover, there are allergy sufferers around the world echoing ...

dateAug 26, 2015 in Environment
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S'no water in Sierra Nevadas

Most of us have strong opinions about snow during the winter. For some, it's a curse. Others enjoy the recreation heavy snowfall brings. Yet, once warmer weather comes, we tend to forget about those piles of fluffy white ...

dateAug 21, 2015 in Environment
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A tale of two (soil) cities

As we walk along a forest path, the soil beneath our feet seems like a uniform substance. However, it is an intricate network of soil particles, pores, minerals, soil microbes, and more. It is awash in variety.

dateJul 01, 2015 in Environment
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Food or fuel? How about both?

In the United States, federal mandates to produce more renewable fuels, especially biofuels, have led to a growing debate: Should fuel or food grow on arable land? Recent research shows farmers can successfully, and sustainably, ...

dateMay 29, 2015 in Environment
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