News tagged with soil sciences

The Phosphorus Index: Changes afoot

Phosphorus (P) is both an essential nutrient in agricultural fields and a contributor to poor water quality in surface waters. To encourage improved P management in fields, the P Index was proposed as a risk assessment tool ...

dateNov 06, 2012 in Environment
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Scientists fight 'super weeds' with sustainability

(Phys.org)—Across the United States, fields of genetically engineered crops have become laboratories for the evolution of glyphosate-resistant (GR) weeds. These fast-growing "super weeds"—resistant to ...

dateOct 23, 2012 in Ecology
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Curiosity preparing for second scoop

On Sol 65 (Oct. 11, 2012) of the Mars Science Laboratory mission, NASA's Mars rover Curiosity completed several activities in preparation for collecting its second scoop of soil. Like the first scoop, the ne ...

dateOct 15, 2012 in Space Exploration
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Rover Leaves Tracks in Morse Code

(Phys.org)—NASA's Curiosity rover took its first test stroll Wednesday Aug. 22, 2012, and beamed back pictures of its accomplishment in the form of track marks in the Martian soil. Careful inspection of ...

dateAug 29, 2012 in Space Exploration
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