Livestock manure contains beneficial soil-building ingredients and plant nutrients, but they could be wasted if the manure spreader isn’t calibrated correctly.
“Whether you are spreading the manure yourself or having a North Dakota custom manure hauler do the job for you, calibrating the spreader should be a top priority,” says Mary Berg, the North Dakota State University Extension Service’s area livestock environmental management specialist at the Carrington Research Extension Center.
“These valuable nutrients may be wasted by overapplication or crop yield goals may not be met due to underapplication because of a lack of spreader calibration,” she adds. “Manure is money, so let’s not waste it.”
One calibration option is called the sheet method. This method works well for solid manure applications, Berg says.
Here are materials you’ll need:
The application rate is: Rate (tons/acre) = (pounds of manure on sheet x 21.8) ÷ sheet area (square feet).
Visit http://tinyurl.com/ManureSpreaderCalibration-NDSU for more information on calibration methods.
Source: North Dakota State University
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