1. Soil amendments and the rhizosphere effect;Abdel-Nasser;Zbl. Bakt. II,1975
2. Abdel-Nasser, M., and Makawi, A.: Microbiological studies on the application of cotton seed dust remaining after ginning and crushing for oil extraction (in press).
3. Occurrence of certain autotrophic and heterotrophic soil micro-organisms in the rhizosphere and rhizoplane of different plants;Abdel-Nasser;Zbl. Bakt. II,1973
4. Changes in number of micro-organisms during decomposition of root exudates in soil;Abdel-Nasser;Zbl. Bakt. II,1975