1. The relationship between soil pH, organic matter, available phosphorus, exchangeable potassium, calcium, magnesium, and nine elements in the maize tissue;Agboola;Soil Sci.,1973
2. Distribution of cation in bean plants grown at varying K and Na levels;Al-Ani;PL and Soil,1972
3. Changes in the quality of humic acids and the distribution of nitrogen after 12 years' fertilization and manuring on the fallow soil;Apfelthaler,1971
4. , T. V.: Some theoretical aspects of the problem of quantity biomass and producivity of microorganisms in soil. Ed. Aristovskaya. (English summaries.)
5. Effect of organic manuring on the enzymes hydrolysing sucrose and urea and on soil aggregation;Balasburamanian;Pl. and Soil,1972