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Biologia Plantarum

, 47:227 | Cite as

Impact of CO2 Enrichment and Variable Nitrogen Supplies on Composition and Partitioning of Essential Nutrients of Wheat

  • Madan Pal
  • L.S. Rao
  • A.C. Srivastava
  • V. Jain
  • U.K. Sengupta
Article

Abstract

This study was conducted to determine effects of nitrogen supply (75 and 150 kg(N) ha−1) and CO2 enrichment on partitioning of macro and micro nutrients in wheat (Triticum aestivum L. cv. HD-2285). Plants were grown from seedling emergence to maturity inside open top chambers under ambient CO2 (CA, 350 ± 50 μmol mol−1) and elevated CO2 (CE, 600 ± 50 μmol mol−1). Leaves, stems and roots of the same physiological age were analyzed for carbon, nitrogen, calcium, copper, iron, zinc and manganese content at 40, 60 and 90 d after germination. C, Cu, Mn and Zn content was higher in the stem, leaves and roots on dry mass basis under CE than CA. However, N and Fe contents decreased in CE grown plants. Ca content was unaffected due to CE and variable N supplies.

calcium carbon copper iron manganese nitrogen Triticum aestivum zinc 

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Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • Madan Pal
    • 1
  • L.S. Rao
    • 1
  • A.C. Srivastava
    • 2
  • V. Jain
    • 1
  • U.K. Sengupta
    • 1
  1. 1.Division of Plant PhysiologyIndian Agricultural Research InstituteNew DelhiIndia
  2. 2.Sher-e-Kashmir University of Agricultural Sciences and TechnologyRS Pura, JammuIndia

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