Author
- Brady, Nyle C. 2 results
- Buckman, Harry Oliver, 1883- 1 results
- Buckman, Harry Oliver, 1883- Nature and properties of soils 1 results
- Buol, S. W. 1 results
- CSIRO (Australia) 1 results
- International Institute of Tropical Agriculture 1 results
- Katholieke Universiteit te Leuven (1970-). Laboratory of Soil Fertility and Soil Biology 1 results
- Merckx, R. 1 results
- Mulongoy, K. 1 results
- Wilding, L. P. 1 results
- Winegardner, Duane L. 1 results