segunda-feira, 28 de fevereiro de 2011
Overfertilizing corn undermines ethanol
...The research has implications for an industry that has grown dramatically in recent years...
domingo, 27 de fevereiro de 2011
Windmills,Wheat and Canola
Novel imaging technique looks inside starch granules
Starch is the major storage compound in plants,and a major component of cereal grains...
The impact of temperature variability on wheat yields
With current annual production at over 600 million tonnes,wheat...
sábado, 26 de fevereiro de 2011
sexta-feira, 25 de fevereiro de 2011
quinta-feira, 24 de fevereiro de 2011
Entender lo bello significa poseerlo/To understand the beauty means to own it
Technique allows researchers to identify key maize genes for increased yield
"Toward Sustainable Groundwater in Agriculture"
This special issue defines and highlights the science,challenges,and potential policy solutions...
Organic Vs. Conventional Farming:No Clear Answers from Nitrogen Fixing Bacteria Counts
...However,we found that conventional fertility management led to a more active nitrogen-fixing community...posssibly due to the positive effect of phosphorus...
quarta-feira, 23 de fevereiro de 2011
Genetic structure and domestication history of the grape
The grape is one of the earliest domesticated fruit crops...
Thawing permafrost will accelerate global warming in decades to come
This is a press release from the National Snow and Ice Data Center(NSIDC),...
terça-feira, 22 de fevereiro de 2011
Observed soil temperature trends associated with climate change in Canada
Trends in soil temperature are important,...
Experts Question Aspects of Prescribed Burning
Prescribed burning to reduce...
Little evidence for fire-adapted plant traits in Mediterranean climate regions
Iron solubility driven by speciation in dust sources to the ocean
Although abundant in Earth's crust ,iron...
Reducing poverty by growing fuel and food
A new FAO study...
segunda-feira, 21 de fevereiro de 2011
Scotland recycles more waste than ever before as recycling rate hits 37.7%
Is plant ecology more siliceous than we realise?
Although silicon occurrs in all plants,...
Arizona State University geographers calls for complexity in sustainability science models
Tropical deforestation is intimately linked with urban dynamics...
Carbon and nitrogen dynamics during forest stand development:a global synthesis
Our knowledge of carbon(C)and nitrogen(N)dynamics...
Assessments of Potential Spatial -temporal Variations in Phosphorus Distribution and Fractionation in River Bed Sediments
Sediment characteristics influence the distribution and bioavalability of phosphorus...
domingo, 20 de fevereiro de 2011
sábado, 19 de fevereiro de 2011
Bayer starts pilot plant for plastic manufacturing with CO2
Bayer is taking a new direction in the production of high-quality plastics...
Does Peak Phosphorus Loom?
Scientists make the case that easily accessible suppliesof an essential element are being depleted....
sexta-feira, 18 de fevereiro de 2011
The Warriors of Giugang:A Chinese Village Fights Back
Like many villages in China's industrial heartland,...
quinta-feira, 17 de fevereiro de 2011
Svalbard seed vault to take Peruvian potato samples
Potatoes are regarded as the world's most important non-cereal crop,...
Genetic engineering brings cloned crops closer
The production of exact genetic replicas of important food crops has come a step closer....
quarta-feira, 16 de fevereiro de 2011
New Material Provides 25 Percent Greater Thermoelectric Conversion Efficiency
...of a key material to convert heat into electric energy....
The distribution of phosphorus in sediment and water downstream from a sewage treatment works
In order to ensure the good ecological status of a range of waterbodies,....
Changes in global-mean precipitation in response to warming,greenhouse gas forcing and black carbon
Precipitation changes are a key driver of climate change impacts....
terça-feira, 15 de fevereiro de 2011
New study reveals huge hidden toll of Gulf of Mexico disaster
..."extensive and persistent depletion of oxygen " as microbial processes degrade the gaseous hydrocarbons....
World Phosphorus Use Crosses Critical Threshold
Recalculation the global use of phosphorus,...
segunda-feira, 14 de fevereiro de 2011
UNESCO Book Project for 2011 on Migration,Environmental and Climate Change
Climate change is one of the major concerns for the international community....
domingo, 13 de fevereiro de 2011
sábado, 12 de fevereiro de 2011
sexta-feira, 11 de fevereiro de 2011
quinta-feira, 10 de fevereiro de 2011
Plastic waste big killer in Mediterranean Sea
A biological expedition in the Mediterranean Sea...
quarta-feira, 9 de fevereiro de 2011
terça-feira, 8 de fevereiro de 2011
segunda-feira, 7 de fevereiro de 2011
domingo, 6 de fevereiro de 2011
Food Security Portal
The FAO's recent announcement that global prices reached a record high in December 2010...
sábado, 5 de fevereiro de 2011
sexta-feira, 4 de fevereiro de 2011
Social science lines up its biggest challenges
'Top ten' crucial questions set research priorities for the field.
quinta-feira, 3 de fevereiro de 2011
Scientists join protests on streets of Cairo to call for political reform
Nature Middle East was on streets of Cairo...
Chine:une sécheresse record aux consequences graves si elle se prolonge
La sécheresse qui affect cet hiver le nord de la Chine,...
The Castle of São Jorge - a view from Elevador da Santa Justa
quarta-feira, 2 de fevereiro de 2011
terça-feira, 1 de fevereiro de 2011
Ants' Ecosystem Role Is 'Key'
...through moving of soil by nest building actively and by collecting food they affect the level of nutrients in the soil....
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