Nitrogen and phosphorus losses from legume-supported cropping

Michael Williams, Valentini A Pappa, Robert Rees

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    3 Citations (Scopus)


    The loss of nutrients from agricultural systems is recognized as a major environmental problem, contributing to air pollution and nutrient enrichment in rivers and oceans. The use of legumes within agriculture provides an opportunity to reduce some of these losses in ways which maintain or enhance agricultural productivity. This chapter considers the role of legumes in crop rotations, legumes in intercrops and legume-based green manures in influencing nutrient loss and turnover. Nitrous oxide emissions are particularly important here given that they are the largest contributor to greenhouse gas emissions from many agricultural systems. There are many circumstances in which the use of legume-supported cropping systems can reduce overall nitrous oxide emissions and the biological nitrogen fixation process associated with legumes can replace synthetic nitrogen fertilizer use.

    Original languageEnglish
    Title of host publicationLegumes in Cropping Systems
    EditorsDonal Murphy-Bokern, FL Stoddard, Christine A Watson
    PublisherCABI International
    Number of pages18
    ISBN (Electronic)9781780644981
    ISBN (Print)9781780646749
    Publication statusPrint publication - 2017


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