Significance of gravimetric versus volumetric measurements of soil quality under biodynamic, conventional, and continuous grass management. December 7, 1995 J.P. Reganold, A.S. Palmer. 1995. J. Soil Water Conservation 50:298-305.
Soil quality and financial performance of biodynamic and conventional farms in New Zealand. December 1, 1993 J.P. Reganold, A.S. Palmer, J.C. Lockhart, and A.N. Macgregor. 1993. Science 260(5106):344-349.
Comparison of soil properties as influenced by organic and conventional farming systems. December 7, 1988 J.P. Reganold. 1988. Amer. J. Alternative Agr. 3:144-155.
Long-term effects of organic and conventional farming on soil erosion. December 1, 1987 J.P. Reganold, L.F. Elliott, and Y. Unger. 1987. Nature 330:370-372.