1. Microbial degradation and biological effects of pesticides in soil;Alexander,1969
2. Oxidation of ammonium to nitrate in a soil colum;Ardakani,1974
3. Effect of cacodylic acid and MSMA on microbes in forest floor and soil;Bollen;Weed Sci.,1974
4. Inorganic forms of nitrogen;Bremner,1965
5. Lead inhibition of enzyme synthesis in soil;Cole;Appl. envir. Microbiol.,1977