Nitrogen metabolism and crop productivity

Research output: Chapter in Book/Report/Conference proceedingChapter


Among the mineral nutrient elements, nitrogen (N) most often limits the growth and yield of nonleguminous crop plants, which require relatively large quantities of N (from 1.5 to 5% of the plant dry weight) for incorporation into numerous organic compounds. These compounds include proteins, nucleic acids, chlorophyll, and growth regulators, all of which have crucial roles in plant growth and development. The N composition of plant tissues also has important nutritional consequences, since plants are a major source of proteins in the diet of humans and animals. Because N deficiency can seriously decrease yield and crop quality, elaborate steps are often taken to assure that adequate N levels are available to plants.

Original languageEnglish (US)
Title of host publicationHandbook of Plant and Crop Physiology, Second Edition
PublisherCRC Press
Number of pages22
ISBN (Electronic)9780203908426
ISBN (Print)9780824705466
StatePublished - Jan 1 2001

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Engineering(all)


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