News tagged with nutrient demand
Key to evolutionary fitness: Cut the calories
Jul 01, 2009 |
5 / 5 (2) |
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Charles Darwin and his contemporaries postulated that food consumption in birds and mammals was limited by resource levels, that is, animals would eat as much as they could while food was plentiful and produce as many offspring ...
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Researchers combat slowing yields with targeted fertilizer applications
Dec 10, 2007 |
5 / 5 (1) |
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Scientists at Punjab Agricultural University, the International Rice Research Institute, and Virginia Tech have been successful in increasing average rice yields in northwest India using site-specific nutrient management ...
Geometric model could mean breakthrough in saving endangered kakapo
Sep 01, 2008 |
4.2 / 5 (5) |
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(PhysOrg.com) -- A mathematical model used to assess the nutrient balance of the kakapo diet has the potential to help solve one of the main challenges to saving the endangered native parrot.
The Mighty Mississippi Basin and Gulf Suffocating: Inertia Not An Option
Jul 27, 2009 |
3.8 / 5 (11) |
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The Water Science and Technology Board, (WTSB), Division on Earth and Life Sciences of the National Research Council has released for publication its study for improving water quality in the Mississippi River ...
In the war between the sexes, the one with the closest fungal relationship wins
Nov 10, 2009 |
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The war between the sexes has been fought on many fronts throughout time -- from humans to birds to insects, the animal kingdom is replete with species involved in their own skirmishes. A recent study by Dr. Sarah Eppley ...
HP, Amazon to sell paperback versions of e-books
Oct 21, 2009 |
4.5 / 5 (2) |
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(AP) -- Some of technology's best-known companies are betting there's pent-up demand for on-demand books.
Key new ingredient in climate model refines global predictions
Space & Earth / Earth Sciences
Oct 09, 2009 |
3.6 / 5 (23) |
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For the first time, climate scientists from across the country have successfully incorporated the nitrogen cycle into global simulations for climate change, questioning previous assumptions regarding carbon feedback and potentially ...
Mapping nutrient distributions over the Atlantic Ocean
Space & Earth / Earth Sciences
Nov 03, 2009 |
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Large-scale distributions of two important nutrient pools - dissolved organic nitrogen and dissolved organic phosphorus (DON and DOP) have been systematically mapped for the first time over the Atlantic Ocean in a study led ...
Iowa State researcher studies the sustainability of the bioeconomy
Aug 30, 2007 |
4.5 / 5 (2) |
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This spring farmers responded to the ethanol industry's demand for grain by increasing their corn acreage by 19 percent over last year, according to U.S. Department of Agriculture estimates.
Govt says swine flu vaccine catching up to demand
Medicine & Health / Medications
Nov 01, 2009 |
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(AP) -- A senior adviser to President Barack Obama says the government will catch up to the demand for swine flu vaccine within a week.
Taiwan's AU Optronics returns to profit in third quarter
Oct 22, 2009 |
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Taiwan's Au Optronics Corp on Thursday posted a net profit of 7.4 billion Taiwan dollars (228.5 million US) on increased demand and higher product prices following two consecutive quarterly losses.
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