Comparing Important Elements between Litter and Aerial Parts in Two Rangeland ‎Species of Shazand, Arak

Document Type : Research

Authors

1 Master's Degree in Pasture Management, General Directorate of Natural Resources and Watershed Management of Sistan and Baluchistan Province

2 Professor, Faculty of Natural Resources‎, University of Tehran, Iran

3 Assistant Professor‎, Zabol University

4 MSc student, Zabol University

Abstract

After identification of the species’ site in Shazand, Arak, samples of aerial parts and litter were ‎collected randomly and systematically in the known sites at the end of the growing season  ‎‎(summer) so that for analyzing the features of these species, 10 plots were installed along 4 ‎transects. After data gathering, they were analyzed by the independent T. test and the variance ‎analysis test. The Comparison of the aerial parts and the litter in the range species, analyzed in ‎this study, showed that there was a signification difference between OM, C & ADF ratios in the ‎aerial parts and the litter of these species. Quantitatively, the amount of N, C, OM, P, C/N in the ‎litter was more than the aerial parts, whereas, the amount of k in the aerial parts was more than ‎the litter. As a whole, in Astragalus ammodendron, the ratio of C to N was the least among the ‎other species, so the quality of its litter, aerial parts, and soil amendment was much better.‎

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History

  • Receive Date: 14 May 2013
  • Revise Date: 01 September 2013
  • Accept Date: 22 October 2013

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