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A special meeting of the Royal Society in London in 1986 marked the centenary of the first demonstration of nitrogen fixation. Currently the subject is of great practical importance because the use of nitrogenous fertilizers has resulted in unacceptable levels of water pollution; also these fertilizers are becoming steadily less economic both in cash terms and in utilization of fossil fuels for their manufacture. The number of papers published and the frequency of national and international meetings to discuss research into nitrogen fixation have both increased steadily during the 1970s and...

This important book provides a comprehensive review of our current knowledge of the world's leguminous plants and their symbiotic bacteria. Written by Professor Janet Sprent, a world authority in the area, Legume Nodulation contains comprehensive details of the following:

• An up to date review of legume taxonomy and a full list of the world's genera
• Details of how legumes are distributed throughout the world
• A review of the evolution of legume nodulation
• Comprehensive details of all microorganisms known to be symbiotic with legumes
...

Many people learn the rudiments of the nitrogen cycle while at school. However, the details of the various processes in the cycle and their magnitude are still not fully understood. Some of them are of great current interest, for example use of nitrogen fixing crops to feed the increasing world population and the problems of pollution of groundwaters by nitrates. While some of the world needs to fix nitrogen, other parts are using natural processes of denitrification (forming nitrogen gas) as a way of getting rid of waste from humans and intensively farmed animals.

This book describes the...