Sepember 10, 2009
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Monitoring & Testing Newsletter Sepember 10, 2009 |
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| This Week´s Featured News Stories |
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Improved soil water sensors aid in irrigation management
Agriculture, a large user of water for irrigation, is under pressure to reduce water use. Increased urban population growth has created more competition for limited water supplies. While growers have used soil moisture probes to aid in irrigation management in the past, earlier probes required maintenance or were expensive or inadequate. New electronic sensors have been developed that require minimal maintenance and are more affordable. This study evaluated and developed calibration information for one of the newer probes. These probes can be placed at different depths in the soil and show growers ... |
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A new global map of ammonia emissions
For the first time, a global map of atmospheric ammonia emissions has been produced using satellite measurements. This opens up new ways to survey air quality and monitor the Earth`s atmospheric chemistry from space. Modern agricultural practices, especially intensive farming methods and widespread fertiliser use, are mainly responsible for ammonia emissions, which have more than doubled since pre-industrial times. Fossil fuel combustion and burning of vegetation, including forest fires, are other major sources of ammonia pollution. The EU1,2 has set a target that by 2020 ammonia emissions are ... |
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