Tag: "farming" at biology news

Study: Emission of smog ingredients from trees is increasing rapidly

...dy found. The increase stems from intensified tree farming and other land use changes that have altered the mix of trees in the landscape, said Drew Purves, the lead author of the study that included scientists from four universities. "There are seemingly natural but ultimately anthropogenic (human-caused) ...

Genetic modification of linseed produces healthier omega 3 and 6 fatty acids

...e fish stocks are being rapidly depleted, and fish farming is associated with its own set of environmental issues. Therefore, engineering the production of very long chain PUFAs into oilseed crops could confer significant advantages in terms of both human nutrition and the environment. Oilseed crops, such a...

Sandia experiments may reduce possibility of future water wars

...t in many places in the world. Conventional farming methods in arid regions lose huge amounts of water through evaporation and over-absorption by soil. Over time, this can also result in soil salination and loss of agricultural productivity. Neither are factors in hydroponic greenhouses, which do not ...

Viral suspect for amphibian decline traced to human spread through bait

...ditional evidence for how human activities such as farming and trade in live animals or biological products are affecting ecologies globally. "Amphibians are clearly vulnerable to environmental change, but the fact that they are being so broadly effected by emerging diseases is telling us that emerging dise...

Men from early middle ages were nearly as tall as modern people

...ons and were more likely to stick with traditional farming methods that ultimately failed," he said. "Climate change was likely to have imposed serious economic and health costs on northern Europeans, which in turn may have caused a downward trend in average height." Urbanization and the growth of trade gain...

The truth about organic food

...d other chemicals, as well as irradiation, organic farming and nutrition. The two-part symposium will take pl...ous? Are free-range chickens safer? Is organic farming really better for the environment? How do the media portray organic food issues? Detailed sympos...

Technology already exists to stabilize global warming

... than current projections. Changes in forestry and farming techniques also could lead to substantial reductions in carbon emissions. Pacala and Socolow caution that scientists must continue researching alternative sources of energy because new measures will be required after 50 years. By that time, ...

Excess levels of nitrogen, phosphorus linked to deformed frogs

...and the University of Wisconsin strongly points to farming practices and development, two factors that create a condition called eutrophication in ponds and wetlands. Eutrophication is caused by higher phosphorus and nitrogen (prime components of agricultural fertilizer) levels in wet ecosystems. Higher l...

Increasing international insect threat to stored food

...es says that the introduction of an insect to poor farming areas of Africa is responsible for destroying stored grains and causing widespread hunger. "Since the early 1980's, the poorest farmers of sub-Saharan Africa have had to cope with the relentless spread of the larger grain borer, a pest inadvertently...

Plant pathologists meeting in Anaheim, CA to discuss agricultural security, food safety, and more

... Tuesday, August 3, 1 - 5 p.m. Eastern TimeOrganic farming is one of the fastest-growing segments of U.S. agriculture, with organic food sales reaching $9.3 billion in 2002. This session will examine organic agriculture from a plant pathology perspective and address questions regarding funding sources for or...

From orchards and fields to townhouses and offices

... Extension, Madera, Calif. "L.A. used to be a huge farming area at one time and the best apricots used to come from orchards in what is now Silicon Valley," he said. Today, farmers in California and their new neighbors, residents of sub-divisions and office buildings, are learning how to peacefully co-exist...

'Trap' crop saves Texas cross timbers melon production

...es, often besieged by unpredictable weather, melon farming is a high-investment, high-risk crop. With tens of thousands of dollars in production costs at stake, Allison called his first line of defense, Bob Whitney, Texas Cooperative Extension agent for Comanche County. Whitney brought in Dr. Forrest Mitc...

It's better in the shade

...tect biodiversity, leaving more plants intact than farming for sun-favoring varieties of coffee. In Alexandr...ca. Traveling to Chiapas, Mexico the pair studied farming practices from traditional rustic management to a more intensive system shaded with only one tree sp...

'Plants for the future': A European vision for plant biotechnology towards 2025

...otech industry (such as EuropaBio, CIAA, ESA), the farming community (such as COPA/COGECA) and consumer organisations (BEUC). The vision document has been presented to European Commissioner Busquin. "Our society faces tremendous challenges in the coming decades. There will be an increased demand for healthie...

Plant pathologists to discuss the future of organic farming

St. Paul, MN (June 22, 2004) Organic farming is one of the fastest-growing segments of U.S. agr...l Society (APS) are calling for additional organic farming research and adherence to established growing procedures. Standards for organic food were implement...

New multidisciplinary research tops chemists' meeting Aug. 22-26

...r it is really more nutritious and whether organic farming is better for the environment. The ACS Division of Agrochemicals is hosting the symposium. In a three-day symposium, "Chemistry at Ultra-Low Temperatures," from Tuesday Thursday, Aug. 24-26, scientists will describe emerging techniques for studying ...

Trapping carbon in soil key for protecting global food security, dealing with climate change

...n in farmed soils. These practices include no-till farming leaving residue from the previous year's crops on...xperiment in Kenya: Farm fields managed by regular farming practices tilling the land, using no fertilizer, leaving fields bare in the non-growing season pro...

Volcanic soils yield new clues about the emergence of powerful chiefdoms in Hawaii

...historians alike: Why was large-scale sweet potato farming confined to just a few areas of Maui and Hawaii? A...ore the Polynesians arrived. "Human settlement and farming in the region began [around] 1200 to 1300 A.D, and the most intensive farming probably took place in...

New highways drive accelerating deforestation in Amazonia

...ers ever deeper into the forest frontier. Soybean farming also provides a key economic and political impetus for new highways and infrastructure projects, which accelerate deforestation by other actors." Anticipating public alarm about the worsening deforestation trends, the Brazilian government recently an...

Plant pathologists to meet in Anaheim, CA to discuss agricultural security, food safety, and more

... Organic Foods--From Production to Market Organic farming is one of the fastest-growing segments of U.S. agriculture, with organic food sales reaching $9.3 billion in 2002. This session will examine organic agriculture from a plant pathology perspective and address questions regarding funding sources for or...

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