Tag: "agricultural" at biology news
Drought reduces nitrogen-fixing in legumes
... Biological nitrogen-fixing is a process of great agricultural
and ecological interest, given that nitrogen, after water and carbon, is the nutrient that most limits vegetable growth and crop production. This process is particularly sensitive to adverse environmental conditions, such as water stress or drought. ...
The effects of economic growth on interior forests of the Southeast
...me. Interior forest also decreases as the value of agricultural
products and site productivity rise. Forecasted changes, however, were not consistent across the region. "Our forecasts to the year 2020 show the future loss of interior forest highest in the southern Appalachian piedmont of North and South Carolina...
Genetic switches help fish adjust to fresh and salty water
...s, "like climate change or exposure to toxins from agricultural
Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers
...ould be used to control insects -- crucial for the agricultural
APS, PMN launch online soybean rust center
... applied multidisciplinary science-based plant and agricultural
management information and communication made possible by PMN partners. PMN publishes four science-based applied journals--Applied Turfgrass Science, Crop Management, Plant Health Progress, and Forage and Grazinglands--an image database, three field ...
Scientists find both damage and promise for renewal in devastated Iraqi marshlands
...etlands" following extensive drainage and upstream agricultural
irrigation on the Tigris and Euphrates during Saddam's rule, said a report authored by Richardson and four colleagues scheduled for publication in the Feb. 25 issue of the journal Science. "This environmental disaster has been compared in scale to th...
K-State professor to discuss feeding the world's population without poison
...odiversity. Even greater demands will be placed on agricultural
systems in the future. "Properly managed, agricult...environmental services," Rice said. "A sustainable agricultural
system needs to consider the conservation of the soil and water in addition to production of food, f...
'Blinding' an insect's sense of smell may be the best repellent
... responsible for global losses of crops and stored agricultural
products as well as the spread of many diseases." In the heated battle between people and insect pests, Vosshall and colleagues, in collaboration with the biotech company Sentigen Biosciences, Inc., report in the February 22nd issue of Current Biolog...
An evolutionary road less traveled
Until expanding agricultural
development and modernization encroached on their ...rs ago by one female and one to four males from an agricultural
culture. With too few hands to farm, this tiny group likely turned to hunting and gathering. Altoget...
Researchers investigate 'whole farm' approach to reduce dairy pollution
STEPHENVILLE - It's all about manure. A new agricultural
research project is looking for ways to prevent ph...d. Natural decay of any organic material or other agricultural
activities can also contribute to phosphorus run-off. It's an accepted fact that home lawn and garde...
'Grubby' research promises environmental/economic benefits
...three months, Tomberlin and Bob Whitney, Extension agricultural
and natural resources agent in Comanche County, weighed the accumulated manure and took samples to estimate house fly larval populations. Tomberlin also measured moisture levels of the accumulated manure so he could determine if any manure reduction ...
NASA satellite sees ocean plants increase, coasts greening
...nutrient stress include land run-off that deposits agricultural
fertilizers and other nutrients in the oceans. The run-off can promote large algal blooms that can deplete the water of oxygen. Gregg and coauthors caution that the length of time the data cover is too short to answer questions about long term trend...
Stealth worms may improve insect pest control
...y safe alternative for controlling insect pests in agricultural
and forestry systems, and also for controlling insect pests of human and veterinary importance," Stock says. In each location the scientists start with biotic surveys to find out which nematodes and their corresponding bacteria meet local pest manage...
Man-made wetland's effectiveness similar to natural marsh
... natural marsh. The wetland, which was built in an agricultural
area, reduced levels of phosphorus by nearly 60 pe... about 14 times that large. It is located in prime agricultural
territory in west central Ohio on the shores of Great Miami River, a tributary that flows into a lo...
Oceans more vulnerable to agricultural runoff than previously thought, study finds
...e regions of the ocean are much more vulnerable to agricultural
runoff than was previously assumed. The study is b... Yaqui Valley agriculture To assess the impact of agricultural
runoff on the gulf, the Stanford scientists turned their attention to one of Mexico's most productiv...
Modular Genetics, Inc., strikes deal with Monsanto
...assembles and screens proteins that have promising agricultural
traits. The deal marks a huge step forward for MGI, a company that has been growing for the past four years with the help of Boston University's Technology Development Fund (TDF, formerly the Community Technology Fund). According to Terence Brennan,...
Chemical compounds present in diet increase risk of colon cancer
... organochlorine compounds come from industrial and agricultural
uses and are widespread in the environment. Their use has been limited and safety measures for them tightened in the last few years due to their toxic effects in the body. Some of them such as DDT, which was formerly used as an insecticide, have even...
PNAS highlights for the week of April 4 - 8
...by two fungal pathogens, researchers report. Some agricultural
diseases can suddenly appear or disappear, yet disease dynamics can rarely be analyzed due to lack of long-term data. To elucidate factors controlling wheat disease patterns in the United Kingdom, Bart Fraaije and colleagues measured the abundance of...
Mystery on the Hudson
...ts. Yet activity along the Hudson River, including agricultural
use, has declined over the years. According to the paper, "temperature, water yield, and land cover have not changed in ways that would make these viable causes for the altered DOC." Findlay proposes two possible suspects: either the composition o...
Wind turbine to stir up renewable energy research
...stry and provide a model for rural communities and agricultural
producers to integrate renewable energy systems into their economies," said Greg Cuomo, head of the WCROC. The University of Minnesota Renewable Energy Research and Demonstration Center is designed as a community-scale project whose goal is to combin...
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