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Quick soil test aims to determine nitrogen need

Healthy soil contributes to healthy crops. Farmers know this, so they do what they can to ensure their soil is in good shape. They send samples of their soil for lab testing to find out if it is low in any important nutrients. ...

dateJul 18, 2018 in Environment
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How to build efficient organic solar cells

Organic solar cells, made from carbon-based materials, present unique advantages compared with other solar cell technologies. For example, they can be manufactured through low-cost printing technologies, and they can be made ...

dateJul 17, 2018 in Materials Science
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Reining in soil's nitrogen chemistry

Take a trip down into the soil beneath a field of crops. You won't find just dirt, water, and creepy-crawlies. You'll also find reactions that remind you of high school chemistry lab.

dateJul 11, 2018 in Environment
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