Includes bibliographical references and index.

1. Microbial ecology of methanogens and methanotrophs.
2. Strategies of plants to adapt to mineral stresses in problem soils.
3. Water flow in the roots of crop species: the influence of root structure, aquaporin activity and waterlogging.
4. Phytoremediation of sodic and saline-sodic soils.
5. Ecology of denitrifying prokaryotes in agricultural soil.
6. Linking soil organisms within food webs to ecosystem functioning and environmental change.
7. Comparative typology in six European low-intensity systems of grassland management.