1. Effect of continuous application of manures and fertilizers on carbon, nitrogen levels of the soil;Achabya;J. Indian Soc. Soil Sci.,1956
2. Studies on the building up of soil fertility by the phosphatic fertilization of legumes. Influence of legume rotation on the organic matter level of soil;Acharya;J. Indian Soc. Soil Sci.,1953
3. Experiments in soil Bacteriology;Allen,1957
4. The effects of varying the nitrogen, sulphur, and phosphorus content of organic matter in its decomposition;Barrow;Austr. J. agric. Res.,1960