Fresh manure needs to be cured for about six months before it can be used in the garden. Until it is fully cured, fresh manure releases high amounts of nitrogen compounds and ammonia that can burn the roots of young plants and inhibit the germination of seeds, according to Thrifty Fun.
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Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.