News tagged with crop science

U.S. Crop Yields Could Wilt in Heat

(PhysOrg.com) -- Yields of three of the most important crops produced in the United States - corn, soybeans and cotton - are predicted to fall off a cliff if temperatures rise due to climate change.

Space & Earth / Environment

created Aug 24, 2009 | popularity 4.5 / 5 (54) | comments 5

Agriculture's next revolution -- perennial grain -- within sight

Earth-friendly perennial grain crops, which grow with less fertilizer, herbicide, fuel, and erosion than grains planted annually, could be available in two decades, according to researchers writing in the current issue of ...

Biology / Ecology

created Jun 24, 2010 | popularity 5 / 5 (15) | comments 10 | with audio podcast

Insecticides from genetically modified corn present in adjacent streams

In a paper published this week in the Proceedings of the National Academy of Sciences, Cary Institute aquatic ecologist Dr. Emma Rosi-Marshall and colleagues report that streams throughout the Midwestern Corn B ...

Space & Earth / Environment

created Sep 27, 2010 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

Chinese researchers say early climate changes responsible for human crisis

(PhysOrg.com) -- David Zhang of the University of Hong Kong and several of his Chinese colleagues have published a paper in the Proceedings of the National Academy of Sciences, where they say they have proven that climat ...

Other Sciences / Social Sciences

created Oct 04, 2011 | popularity 3.8 / 5 (16) | comments 14 | with audio podcast report

Last universal common ancestor more complex than previously thought

Scientists call it LUCA, the Last Universal Common Ancestor, but they don't know much about this great-grandparent of all living things. Many believe LUCA was little more than a crude assemblage of molecular parts, a chemical ...

Biology / Cell & Microbiology

created Oct 05, 2011 | popularity 4.9 / 5 (11) | comments 11 | with audio podcast

Food vs. fuel: Scientists say growing grain for food is more energy efficient

Using productive farmland to grow crops for food instead of fuel is more energy efficient, Michigan State University scientists concluded, after analyzing 17 years' worth of data to help settle the food versus fuel debate.

Space & Earth / Environment

created Apr 19, 2010 | popularity 4.3 / 5 (12) | comments 9 | with audio podcast

The oldest farming village in the Mediterranean islands is discovered in Cyprus

The oldest agricultural settlement ever found on a Mediterranean island has been discovered in Cyprus by a team of French archaeologists involving CNRS, the National Museum of Natural History, INRAP, EHESS ...

Other Sciences / Archaeology & Fossils

created May 15, 2012 | popularity 4.1 / 5 (12) | comments 3 | with audio podcast

Study sheds new light on organic fruit and vegetables

(PhysOrg.com) -- Organic fruit and vegetables contain on average 12 per cent more health-promoting compounds than conventionally grown produce, scientists at Newcastle University have found.

Biology / Plants & Animals

created May 27, 2011 | popularity 4.8 / 5 (10) | comments 5 | with audio podcast

Some of Earth's climate troubles should face burial at sea, scientists say

(PhysOrg.com) -- Making bales with 30 percent of global crop residues -- the stalks and such left after harvesting -- and then sinking the bales into the deep ocean could reduce the build up of global carbon ...

Space & Earth / Environment

created Jan 28, 2009 | popularity 2.8 / 5 (17) | comments 5

Man-made photosynthesis to revolutionize food and energy production

Improving natural photosynthesis to make new fuels and boost crop production is the focus of new research presented at the American Association for the Advancement of Science (AAAS) Annual Meeting today. It could see us one ...

Chemistry / Materials Science

created Feb 17, 2012 | popularity 4.6 / 5 (9) | comments 0 | with audio podcast

Reducing greenhouse gases may not be enough to slow climate change

Georgia Tech City and Regional Planning Professor Brian Stone publishes a paper in the December edition of Environmental Science and Technology that suggests policymakers need to address the influence of global deforestation ...

Space & Earth / Environment

created Nov 11, 2009 | popularity 3.3 / 5 (11) | comments 6

Climate change could spur Mexican migration to US: study

Global warming could drive millions more Mexicans into the United States in search of work by 2080 due to diminishing crop yields in Mexico, a study released Monday showed.

Space & Earth / Environment

created Jul 26, 2010 | popularity 2.5 / 5 (13) | comments 14

Growing Roundup-resistant weed problem must be dealt with, expert says

(PhysOrg.com) -- When Penn State weed scientist David Mortensen told members of the U.S. House Oversight Committee this summer that the government should restrict the use of herbicide-tolerant crops and impose ...

Biology / Ecology

created Sep 14, 2010 | popularity 4.7 / 5 (7) | comments 12

Modified crops reveal hidden cost of resistance

Genetically modified squash plants that are resistant to a debilitating viral disease become more vulnerable to a fatal bacterial infection, according to biologists.

Biology / Biotechnology

created Oct 26, 2009 | popularity 4.8 / 5 (6) | comments 1

Biofuels 'done right' can curb greenhouse gas emissions: study

(PhysOrg.com) -- Biofuels derived from renewable sources can be produced in large quantities and address many problems related to fossil fuels, including greenhouse gas emissions, but only if they are made ...

Space & Earth / Environment

created Jul 16, 2009 | popularity 3.7 / 5 (7) | comments 11