Do plants need nitrate? the mechanisms by which nitrogen form affects plants

M. Andrews, J. A. Raven, P. J. Lea

    Research output: Contribution to journalArticle

    129 Citations (Scopus)

    Abstract

    The literature on nitrogen (N) form effects on plants at different stages of their development has been critically reviewed, assessing the possible mechanisms of these effects. In particular, nitrate (NO) was compared with the other forms of N utilised by plants. It is concluded that the form of N available to plants can affect their time and rate of seed germination, leaf expansion and function, dry matter partitioning between shoot and root, and root architecture. The magnitude of these effects is dependent on environmental factors outside the supply of N. The mechanism of these effects is variable. Assessment of the importance of root or shoot NO assimilation under different environmental conditions is an important area for further study.
    Original languageEnglish
    JournalAnnals of Applied Biology
    Volume163
    Issue number2
    DOIs
    Publication statusPublished - Sep 2013

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