Effects of chronic nitrogen amendment on dissolved organic matter and inorganic nitrogen in soil solution, William H. McDowell, Alison H. Magill, Jacqueline A. Aitkenhead-Peterson, John D. Aber, Jeffrey L. Merriam, Sujay S. Kaushal
New Hampshire Agricultural Experiment Station Publications

A High-Temperature Catalytic Oxidation Technique for Determining Total Dissolved Nitrogen, Jeffrey L. Merriam, William H. McDowell, William S. Currie
New Hampshire Agricultural Experiment Station Publications