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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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ICESat-2 lasers pass final ground test

On June 23, ICESat-2 engineers at Vandenberg Air Force Base in California successfully finished the final ground-based test of the lasers, which are part of the satellite's sole instrument called the Advanced Topographic ...

dateJul 10, 2018 in Space Exploration
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