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Plant-microbial linkages and ecosystem N retention: lessons for sustainable agriculture

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>10/2012
<mark>Journal</mark>Frontiers in Ecology and the Environment
Issue number8
Volume10
Number of pages8
Pages (from-to)425-432
Publication statusPublished
Original languageEnglish

Abstract

The use of nitrogen (N) in fertilizer has doubled the amount of reactive N in the biosphere, leading to increased greenhouse-gas emissions and nutrient enrichment in aquatic and terrestrial ecosystems. Despite the global impact of N, many uncertainties exist about the factors that determine the loss and retention of fertilizer-associated N in terrestrial ecosystems. A growing body of evidence shows that linkages between plants and soil microbes play a major role in controlling the loss and retention of N. The promotion of such plant–microbial linkages in agricultural systems has the potential to enhance N retention and reduce N loss. Although trade-offs with agricultural yield are inevitable, promoting plant–microbial linkages will reap benefits in terms of plant crop resistance to climate change as well as to pests and diseases.