1. Kinetics of weathering and diagenesis;Berner,1981
2. Influence of alternative and conventional agricultural management on soil Microbial processes and nitrogen availability;Doran;Am. J. Altern. Agric.,1987
3. Influence of soil, liming, magnesium, potassium, and nitrogen on magnesium composition of plants;Ellis,1979
4. Particle-size analysis. Methods of Soil Analysis, Part 1. Physical and Mineralogical Methods;Gee,1986
5. Soil Testing Handbook for Professional Agriculturalists;Glenn,1989