Cereal Research Communications

, Volume 33, Issue 2–3, pp 589–594 | Cite as

Effect of 25 Years of Continuous Fertilizer Use on Response to Applied Nutrients and Uptake of Micronutrients by Rice-Wheat-Cowpea System

  • Veer Singh
  • Nand RamEmail author


In a twenty five years old long-term fertilizer experiment with rice-wheat-cowpea system on a mollisol at Pantnagar; rice and wheat responded well to applied N, Zn and FYM over the years; whereas, responses to other applied nutrients are improving with the passage of time owing to decline in their availability in soil. Uptake of micronutrients by the entire cropping sequence of rice-wheat-cowpea varied from 143 to 597, 2274 to 6169, 384 to 1234 and 119 to 521 g ha−1 for Zn, Fe, Mn and Cu, respectively. The highest removal of Zn by crops was observed under 100%NPK+Zn, while that of Fe, Mn and Cu was under 100%NPK+FYM. Removal of micronutrients by the annual cropping cycle depleted the availability of Zn, Fe, Mn and Cu in soil in the range of 0.02 – .0.37, 0.1–1.8, 0.1–1.6 and 0.1 – 0.2 mg kg−1, respectively under different treatments.

Index words

Long-term fertilizer use nutrient response micronutrients uptake rice-wheat - cowpea 


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© Akadémiai Kiadó, Budapest 2005

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  1. 1.Department of Soil ScienceG. B. Pant University of Agric. and Tech.PantnagarIndia

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