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|Drought drives decade-long decline in plant growth
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|Autor:||andinia2 [ Mar Oct 18, 2011 2:46 pm ]|
|Asunto:||Drought drives decade-long decline in plant growth|
Plant productivity is a measure of the rate of the photosynthesis process that green plants use to convert solar energy, carbon dioxide and water to sugar, oxygen and eventually plant tissue. Compared with a 6 percent increase in plant productivity during the 1980s and 1990s, the decline observed over the last decade is only 1 percent. The shift, however, could impact food security, biofuels and the global carbon cycle.
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