Dose response effect of nitrogen and phosphorus on forage quality, yield and economic return of rangelands

Pakistan Journal of Botany

Volumn 39, Issue 1, 2007, Pages 151-160

  Polat, Tahir ^a   Bükün, Bekir ^a   Okant, Mustafa ^a  

^a HARRAN UNIVERSITY   (Turkey)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMALIA;

EID: 34547251695     PISSN: 05563321     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Anonymous. 1999. SAS Systems, Version 8. Statistical Analysis Systems Institute, Cary, NC, USA.
2. Aydin, I. and F. Uzun. 2005. Nitrogen and phosphorus fertilization of rangelands affects yield, forage quality and the botanical composition. Europ. J. Agron., 23: 8-14.
3. Bukun, B. 2004. Critical periods for weed control in cotton in Turkey. Weed Res., 44:404-4012.
4. Bukun, B. and B. H. Guler. 2005. Densities and importance values of weeds in lentil production. Int. J Bot., 1(1): 15-18.
5. Carene, A., R. Rubbina and P.M. Lomio. 1984. Production of natural pastures in Southern Mountaine with different amounts of nitrogen fertilizer. Changes between and within years in the apparent and real grazing level for the le de FranceXApulian merino sheep. Annali Dell'Instito Sperimentale Per Lo Zootechnia, 17(1): 1-30.
6. Dove, H. 1996. The ruminant, the rumen and the pasture resource: nutrient interaction in the grazing animal. In: The Ecology and Management of Grazing Systems. (Eds.): J. Hodgson, A.W. Illius, CAB International, UK, pp 219-246.
7. Feyter, C., M.B. O'Conner and B. Addison. 1985. Effects of rates and times of nitrogen application on the production and composition of dairy pastures in Waikato district. New Zéland Exp. Agric., 13: 247-252.
8. Frame, J. 1992. Improved Grassland Management. Farming Press Books, Ipswich.
9. Gillen, R.L. and W.A. Berg. 1998. Nitrogen fertilization of a native grass planting in western Oklahoma J. Range. Manage., 51: 436-441.
10. Hubbart, W.A. and J.L. Mason. 1967. Residual effects of ammonium nitrate and ammonium phosphate on some native ranges of British Columbia. J. Range. Manage., 13: 34-36.
11. Keane, M.G. and P. Allen. 1999. Effects of pasture fertiliser N level on herbage composition, animal performance and on carcass and meat quality traits. Livest. Produc. Sci. 61: 233-244.
12. Nasir, Z. A. and S. Sultan. 2004. Survey of weeds in mustard fields of district Chakwal, Pakistan. Pak. J. Biol. Sci., 7: 279-286.
13. th ed. Nat. Acad. Press, Washington, DC.
14. Pamo, E.T. and S.Yonkeu. 1993. Effects of nitrogen fertilizer in combination with potassium phosphorus on rangeland yield. In: Cameron. Proceed, of XVII Int. Grassland Cong., pp 55-56.
15. Samuel, M. J. and R.H. Hart. 1998. Nitrogen fertilization, botanical composition and biomass production on mixed-grass rangeland. J. Range. Manage., 51: 408-416.
16. Sengul, S. 2003. Performance of some forage grasses or legumes and their mixtures under dry land conditions. Europ. J. Agron., 19: 401-409.
17. Tükel, T., V. Tansi, T.Polat, A., Disbudak and E. Hasar. 1997. Pasture improvement studies of the Taurus montains development project in Turkey. Proceed, of the XVIII. Int. Grassland Cong. Winnipeg, Manitoba Sasketoon, Saskatchewan, Canada, pp 9-10.
18. Van Soest, P.J. 1973. Composition and nutritive value of forages. The Science of Grassland Agriculture, Iowa State University Press, Ames, IA.
19. Wight, J.R. and A. L., Black. 1979. Range fertiliztaion, plant response and water use. J. Range. Manage., 32(8): 345-349.
20. Wright, A. L., F. M. Hons and F. M. Roquette Jr. 2004. Long-term management impacts on soil carbon and nitrogen dynamics of grazed bermudagrass pastures. Soil Biol.&Biochemist. 36: 1809-1816.
21. Yildiz, G. 2001. Feeding the beef cows. In: Animal Nutrition and Nutrition-Raleted Diseases (in Turkish). (Eds.): Ergun, A., S.D. Tuncer. Özkan Pres, Ankara, pp. 137-175.