Latest Manure Stories
Nitrogen is both an essential nutrient and a pollutant, a byproduct of fossil fuel combustion and a fertilizer that feeds billions, a benefit and a hazard, depending on form, location, and quantity.
The Personal Homepage of Dr. agr.
A U.S. Department of Agriculture (USDA) soil scientist in Colorado is helping farmers grow crops with less nitrogen-based fertilizer.
With citizens' groups seeking government regulation of foul-smelling ammonia emissions from large dairy farms, scientists today reported that adding natural plant extracts to cow feed can reduce levels of the gas by one-third while reducing the need to fortify cow feed with expensive protein supplements.
Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds-and hold down costs-by using fabric ground covers.
WASHINGTON, July 27, 2011 /PRNewswire-USNewswire/ -- The National Chicken Council and the U.S.
Enviropig is the trademark for a genetically modified line of Yorkshire pigs with the capability to digest plant phosphorus more efficiently than ordinary unmodified pigs that was developed at the University of Guelph. The benefits of the Enviropig, if commercialized, include reduced feed cost and reduced phosphorus pollution as compared to the raising of ordinary pigs. Enviropigs create the enzyme phytase in their salivary glands. When cereal grains are consumed, the phytase mixes with...
Image Caption: A field in Randers, Denmark. A pile of manure is in the foreground. Credit: Malene Thyssen/Wikipedia (CC BY-SA 2.5) Manure is organic matter that comes from farmyard animal waste as well as from crop cover. Manure from cows, pigs, horses, chickens, rabbits, etc. is broken down into organic matter and used as organic fertilizer. “Green” manure is derived from planting a cover crop, such as clover, to be plowed directly back into the soil. Bacteria traps nitrogen and other...
Image Caption: Compost barrel with compost and tools. Credit: Diego Grez/Wikipedia Compost is fertilizer made from decomposed organic matter that is then tilled directly into the soil or used as an additive when transplanting seedlings. Composting can be very simplistic or complex, depending on the amount of compost needed. Compost is widely used in organic farming because of its high nutrient content and natural pesticide abilities. Composting is simply piling, systematically,...