J. F. Parr1,2, S. B. Hornick1,2 and R. I. Papendick3
International Nature Farming Research Center, Atami, Japan1, 
Nature Farming Research and Development Foundation, Lompoc, California,
USA2and 
U.S. Department of Agriculture, Pullman, Washington, USA3
 Full Paper (PDF File: 75KB)
 Full Paper (PDF File: 75KB)