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Rapid Methods to Determine Potentially Mineralizable Nitrogen in Broiler Litter

O.S. Qafoku, M.L. Cabrera, W.R. Windham and N.S. Hill

Russell Research Center, College Station Rd, Athens, GA 30605



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Fig. 1. First derivative of log (1/R) versus wavelength for a typical broiler litter sample

 


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Fig. 2. Regression analysis of measured potentially mineralizable nitrogen (PMN) values in broiler litter versus near infrared reflectance spectroscopy (NIRS)–predicted PMN values

 


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Fig. 3. Regression analysis of potentially mineralizable nitrogen (PMN) in broiler litter versus water-soluble organic nitrogen (WSON). RMSE = root mean square error

 





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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education
Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2001 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.