Table of Contents
ISRN Agronomy
Volume 2012, Article ID 359673, 7 pages
http://dx.doi.org/10.5402/2012/359673
Research Article

Dry Matter Accumulation and Nutrient Uptake by Wheat (Triticum aestivum L.) under Poplar (Populus deltoides) Based Agroforestry System

Division of Soil Science and Agronomy, Central Soil and Water Conservation Research and Training Institute, 218 Kaulagarh Road, Uttarakhand, Dehradun 248 195, India

Received 4 April 2012; Accepted 29 April 2012

Academic Editors: R. Islam, P. J. Maughan, and L. K. Prom

Copyright © 2012 N. K. Sharma et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. N. K. Sharma and K. S. Dadhwal, “Prominent agroforestry practices in the Saharanpur plains of Uttar Pradesh—a case study,” Indian journal of Soil Conservation, vol. 24, pp. 172–173, 1996. View at Google Scholar
  2. G. B. Douglas, A. S. Walcroft, S. E. Hurst et al., “Interactions between widely spaced young poplars (Populus spp.) and introduced pasture mixtures,” Agroforestry Systems, vol. 66, no. 2, pp. 165–178, 2006. View at Publisher · View at Google Scholar · View at Scopus
  3. C. K. Ong, C. R. Black, F. M. Marshall, and J. E. Corlett, “Principles of resource capture and utilization of light and water,” in Tree-Crop Interactions—A Physiological Approach, C. K. Ong and P. Huxley, Eds., pp. 73–158, International Centre for Research in Agroforestry (ICRAF), Nairobi, Kenya, 1996. View at Google Scholar
  4. D. N. Tiwari, Poplar, Surya Publications, Dehradun, India, 1993.
  5. R. I. S. Gill, B. Singh, and N. Kaur, “Productivity and nutrient uptake of newly released wheat varieties at different sowing times under poplar plantation in North-Western India,” Agroforestry Systems, vol. 76, no. 3, pp. 579–590, 2009. View at Publisher · View at Google Scholar · View at Scopus
  6. O. P. Toky and R. P. Bisht, “Observations on the rooting patterns of some agroforestry trees in an arid region of North-Western India,” Agroforestry Systems, vol. 18, no. 3, pp. 245–263, 1992. View at Publisher · View at Google Scholar · View at Scopus
  7. K. G. Prasad, S. B. Singh, G. N. Gupta, and M. George, “Studies on changes in soil properties under different vegetation,” Indian Forester, vol. 111, no. 10, pp. 794–801, 1985. View at Google Scholar
  8. D. P. S. Nandal and S. S. Bisla, “Growing oats under trees for more and better fodder,” Agroforestry Today, vol. 7, no. 1, pp. 1–12, 1995. View at Google Scholar
  9. B. Singh and K. N. Sharma, “Tree growth and nutrient status of soil in a poplar (Populus deltoides Bartr.)-based agroforestry system in Punjab, India,” Agroforestry Systems, vol. 70, no. 2, pp. 125–134, 2007. View at Publisher · View at Google Scholar · View at Scopus
  10. K. A. Gomez and A. A. Gomez, Statistical Procedures for Agricultural Research, A Wiley Interscience Publication, John Wiley & Sons, New York, NY, USA, 2nd edition, 1984.
  11. S. L. Chopra and J. S. Kanwar, Analytical Agricultural Chemistry, Kalyani Publication, Ludhiana, India, 1976.
  12. O. L. Olsen, C. V. Cole, F. S. Watnabe, and L. A. Dean, Estimation of Available Phosphorus in Soils by Extraction with Sodium Bicarbonates, vol. 939 of Circular. United States Department of Agriculture, U.S. Department of Agriculture, Washington, DC, USA, 1954.
  13. M. L. Jackson, Soil Chemical Analysis, Prentice Hall, New Delhi, India, 1967.
  14. H. P. Singh, R. K. Kohli, and D. R. Batish, “Effect of Poplar (Populus deltoides) shelterbelt on the growth and yield of wheat in Punjab, India,” Agroforestry Systems, vol. 40, no. 2, pp. 207–213, 1998. View at Publisher · View at Google Scholar · View at Scopus
  15. S. Ding and P. Su, “Effects of tree shading on maize crop within a Poplar-maize compound system in Hexi Corridor oasis, Northwestern China,” Agroforestry Systems, vol. 80, no. 1, pp. 117–129, 2010. View at Publisher · View at Google Scholar · View at Scopus
  16. M. S. Dhillon, Quantification and mitigation of yield losses in wheat due to boundary plantation of eucalyptus [Ph.D. thesis], Department of Agronomy, College of Agriculture, Punjab Agricultural University, Ludhiana, India, 1992.
  17. N. J. Rosenberg, Microclimate: Biological Environment, John Wiley & Sons, New York, NY, USA, 1974.