Browse News Stories
211 to 220 of 292 stories
view headlines only
-
Human Urine As A Safe, Inexpensive Fertilizer For Food Crops
October 8, 2007 Despite the 'yuk!' factor, urine from healthy individuals is virtually sterile, free of bacteria or viruses. Naturally rich in nitrogen and other nutrients, urine has been used as fertilizer since ... > full story -
Martian Life? Small Percentage Of Martian Soil Samples Could Have Biological Origin
August 24, 2007 A new interpretation of data from NASA's Viking landers indicates that 0.1% of the Martian soil tested could have a biological origin. The researchers suggest that a hydrogen peroxide-water based ... > full story -
Explosive Discovery On Genetically Engineered Tobacco Plant
August 13, 2007 Tobacco may be bad for human health, but a new study reports that a genetically engineered tobacco plant may be very good for the environment. It shows promise for cleaning up soil contaminated with ... > full story -
Conventional Plowing Is 'Skinning Our Agricultural Fields'
August 8, 2007 Traditional plow-based agricultural methods and the need to feed a rapidly growing world population are combining to deplete the Earth's soil supply, a new study ... > full story -
Penguin Guano Shows Problem Of Pollution
August 5, 2007 Penguin guano in the Antarctic is adding to organic pollutant problems there, according to a new article. Scientists found unexpectedly high levels of organic pollutants in the soil around a colony ... > full story -
Organic Farming Beats No-Till?
July 22, 2007 Organic farming can build up soil organic matter better than conventional no-till farming can, according to a long-term study. Organic farming, despite its emphasis on building organic matter, was ... > full story -
High-Quality Corn For Low-Input Farming Systems
July 22, 2007 To help family farmers and seed producers better meet market demands and remain independent and profitable, a new initiative is under way. Spearheaded by Agricultural Research Service (ARS) plant ... > full story -
Alternative Farming Cleans Up Water
July 19, 2007 In light of growing concern over agricultural pollution, producers are looking for ways to improve their farming practices without sacrificing crop production. New evidence suggests alternative ... > full story -
Healthful Compounds In Tomatoes Increase Over Time In Organic Fields
July 16, 2007 Levels of flavonoids increase over time in crops grown in organically farmed fields, according to a rare long-term study scheduled for publication in the July 18 issue of ACS' Journal of Agricultural ... > full story -
Routine Feeding Of Antibiotics To Livestock May Be Contaminating The Environment
July 11, 2007 It is estimated that between 9 and 13 million kilograms of antibiotics are used annually in the United States for raising livestock, with the majority being used for growth advancement and disease ... > full story
Search ScienceDaily
Number of stories in archives: 137,088
