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  1. Influence of carbon:nitrogen ratio on microbial respiration by pure and mixed cultures in soil and synthetic media

  2. The effect of added available nitrogen on carbon dioxide evolution from soil treated with sawdust and other organic additions

  3. Factors affecting a bioassay for Agrobacterium tumefaciens in natural soil

    Tomato seedlings were used to assay the population of A.

  4. The effect of soil moisture and temperature on survival of Verticillium microsclerotia

  5. Effect of certain fumigants on nitrification and other soil microbial activities

  6. Microbiology of soil aggregates recovered from different crop management systems

  7. Ammonia-oxidizer and denitrifier populations in boreal forest soils of differing nitrogen availability

    Nitrification and denitrification are major biological processes transforming nitrogen (N) in soils to plant available N, highly leachable nitrate (NO₃⁻) and gaseous N oxides. Although many studies in the...

  8. Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

    The effect of Endothal (3, 6-endoxyhexahydrophthalic acid),

  9. Climate Change Decreases Nitrogen Pools and Mineralization Rates in Northern Hardwood Forests

    Nitrogen (N) supply often limits the productivity of temperate forests and is regulated by a complex mix of biological and climatic drivers. In excess, N is linked to a variety of soil, water, and air pollution...

  10. Symbiotic and saprophytic characteristics of a soil population of Rhizobium leguminosarum bv. trifolii

    Although much has been learned about the comparative

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