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Tag: "agricultural" at biology news

Sahara's edge studied from ground, air and space to improve water management

...s in size, these test areas are representative for agricultural crops, natural pastures and irrigation practices. Both sites are located above the vast North-Western Sahara Aquifer System (better known in French as the Systeme d'Aquiferes du Sahara Septentrional or SASS) and the interconnected Djeffara aquifer o...

Some good news for the world's poor

...ations remain deadlocked on how to move ahead with agricultural reforms that could benefit the poor farmers of the.... Fan explained that new technology resulting from agricultural research can help to alleviate poverty in several ways. First, following the releases of new and imp...

Plants, too, have ways to manage freeloaders

...which both parties benefit. It also suggests that agricultural practices, including heavy use of nitrogen fertilizer, could disrupt these relationships and create plants with a reduced ability to choose among root bacteria. "It's important to look at this from an evolutionary perspective and to think about plan...

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

... used increasingly for reducing sediment loss from agricultural fields. Results from the study appear in the Nove...the Alamo River contains fertilizer nutrients from agricultural runoff and municipal effluent. These nutrients, particularly phosphorus, deteriorate the quality of ...

Open Source Biotechnology alliance for international agriculture

...OS Initiative - a new strategy that will galvanize agricultural research focused on poverty alleviation and hunger reduction. The ventureis catalyzed by a 2.55M USD grant to CAMBIA from The Ministry of Foreign Affairs of Norway. The BiOS Initiative ?Biological Innovation for Open Society- is often called Open So...

New maps reveal true extent of human footprint on Earth

...e ever-intensifying needs of humans. As a result, agricultural activity now dominates more than a third of the Ea... researchers are tracking the changing patterns of agricultural land use around the world, including a look at related factors such as global crop yields and fertil...

Study finds that nutritionally enhanced rice reduces iron deficiency

...kthrough," Zeigler noted. "It is time to shift the agricultural research agenda, and the rice research agenda in particular, away from quantity and toward better-quality food. This may be the start of a nutritional revolution--a very appropriate follow-on from the Green Revolution and one that is desperately nee...

Tropical Atlantic cooling and African deforestation correlate to drought, report scientists

... migration, giving rise to changes in the modes of agricultural production, and influencing the fall or rise of civilizations." Weldeab points out that the past 50 years are marked by deforestation and overgrazing much greater than that of the past, thus disturbing the climate system that results from the coupli...

Ocean 'dead zones' trigger sex changes in fish, posing extinction threat

...pletion in the world’s oceans, primarily caused by agricultural run-off and pollution, could spark the development... and inland waters, hypoxia is primarily caused by agricultural run-off (particularly fertilizers) and discharge of domestic and industrial wastewaters. Dead zone...

Amazonian terra preta can transform poor soil into fertile

...ned from terra preta also can help farmers prevent agricultural runoff, promote sustained fertility and reduce input costs. ...

GPSDB, the free Gene and Protein Synonyms DataBase

...ned from terra preta also can help farmers prevent agricultural runoff, promote sustained fertility and reduce input costs. ...

Marine mammals are on the frontline of failing ocean health

...ical signature that reflects high use of DDT as an agricultural pesticide prior to the US ban in the 1970's. Similarly, chemical ratios that show high levels of flame retardants (PBDEs) are linked to areas near urban runoff and sewage outfalls. The signal of pollutants is so distinct that it is echoed in the tis...

Spring migration of pink-footed geese under threat

...rom feeding on natural or semi-natural habitats to agricultural land," Klaassen says. As well as helping to develop strategies to manage the conflict between farmers and geese, Klaassen's model could help ecologists predict how other species might respond to climate change. According to Klaassen: "We need tools ...

World's pledge to halve hunger by 2015 looks like empty promise

...end, on average, 0.5 percent of the value of their agricultural output on research when they should be spending 2 ...ed to include investments in rural roads, markets, agricultural research and technology, primary education and health care," he says. Policies should also focus on...

Alternatives to the use of nitrate as a fertiliser

In order to develop sustainable agricultural production, what is required is a study of nitroge...s alternatives to the nitrates that predominate in agricultural soils and that have a greater contaminant capacity. The current use of nitrates as a nitrogenated fe...

Avian influenza virus in mammals spreads beyond the site of infection to other organ systems

... contagious in birds and spreads easily due to the agricultural and migratory nature of the bird species infected, including poultry, water fowl, and other migratory species (See commentary by Brown for more information). While spread of avian influenza from bird to man is known to occur, as first reported durin...

Sun protection for plants

...he field." The researchers have been working with agricultural institutes in South America and the Asia to start to work out how their knowledge of the defence mechanisms in model plants such as Arabidopsis could be used to improve the photosynthesis rates of staple crops such as rice and the common bean. Pro...

Higher carbon dioxide, lack of nitrogen limit plant growth

...ther studies of nitrogen's importance to trees and agricultural crops. In the future, the effects of rising carbon dioxide on plants may become common throughout the world." The Minn. study, with its range of species, provides a broad test of carbon dioxide and nitrogen interactions, said Reich. Previous studies...

AIDS drug from sunflowers

...es which eventually put a stop to the fungus. The agricultural engineer Claudio Cerboncini wanted to find out what chemical weapons the fungus-resistant sunflowers have at their disposal. In his PhD thesis for Professor Heide Schnabl of the Bonn Centre of Molecular Biotechnology (CEMBIO) Claudio infected differ...

New organic substrate

...ic products and ready to be used in the growing of agricultural crops. ...

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