References

Alam, M.N., M.S. Jahan, M.K. Ali, M.A. Ashraf and M.K. Islam, 2007. Effect of vermicompost and chemical fertilizers on growth, yield and yield components of potato in barind soils of Bangladesh. J. Applied Sci. Res., 3: 1879-1888.
Direct Link  |  

Ankumah, R.O., V. Khan, K. Mwamba and K. Kpomblekou, 2003. The influence of source and timing of nitrogen fertilizers on yield and nitrogen use efficiency of four sweet potato cultivars. Agric. Ecosyst. Environ., 100: 201-207.
CrossRef  |  Direct Link  |  

Beraga, L. and K. Caeser, 1990. Relationships between number of main stems and yield components of potato (Solanum tuberesom L. cv. erntestolz) as influenced by different day length. Potato Res., 33: 257-267.
CrossRef  |  Direct Link  |  

Brown, D.A. and H.D. Scott, 1984. Dependence of Crop Growth and Yield on Root Development and Activity. In: Roots, Nutrient and Water Influence and Plant Growth, Barder, S.A. and D.R. Bouldin (Eds.). ASA., Madison, Wisconsin, pp: 101-136.

Carter, J.N. and S.M. Bosma, 1974. Effect of fertilizer and irrigation on nitrate, nitrogen and total nitrogen in potato tubers. Argon. J., 66: 263-266.
Direct Link  |  

Cole, C.S., 1975. Variation in dry matter between and within potato tubers. Potato Res., 18: 28-37.
CrossRef  |  Direct Link  |  

De la Morena, I., A. Guillen and L.F.G. del Moral, 1994. Yield development in potatoes as influenced by cultivar and the timing and level of nitrogen fertilization. Am. Potato J., 71: 165-173.
CrossRef  |  Direct Link  |  

Honeycutt, C.W., W.M. Clapham and S.S. Leach, 1996. Crop rotation and nitrogen fertilization effects on growth, yield and disease incidence in potato. Am. J. Potato Res., 73: 45-61.
CrossRef  |  Direct Link  |  

Hossain, S.A.B.M., M.A. Hakim and J.M. Onguso, 2003. Effect of manure and fertilizers on growth and yield of potato. Pak. J. Biol. Sci., 6: 1243-1246.
Direct Link  |  

Jamaati-e-Somarin, S., A. Tobeh, M. Hassanzadeh, M. Saeidi, A. Gholizadeh and R. Zabihi-e-Mahmoodabad, 2008. Effects of different plant density and nitrogen application rate on nitrogen use efficiency of potato tuber. Pak. J. Biol. Sci., 11: 1949-1952.
CrossRef  |  PubMed  |  Direct Link  |  

Jamaati-e-Somarin, S., A. Tobeh, M. Hassanzadeh, S. Hokmalipour and R. Zabihi-e-Mahmoodabad, 2009. Effects of plant density and nitrogen fertilizer on nitrogen uptake from soil and nitrate pollution in potato tuber. Res. J. Environ. Sci., 3: 122-126.
CrossRef  |  Direct Link  |  

Jenkins, P.D. and D.G. Nelson, 1992. Aspects of nitrogen fertilizer rate on tuber dry matter content of potato CV record. Potato Res., 35: 127-132.
Direct Link  |  

Khajehpour, M., 2006. Production of Industrial Plants. 2nd Edn., Jehad-e-Daneshgahi Isfahan Press, Isfahan, Iran, ISBN: 961-6122-63-9, pp: 580.

Kleinkopf, G.E., D.T. Westermann and R.B. Dwelle, 1981. Dry matter production and nitrogen utilization by 6 potato cultivars. Agron. J., 73: 799-802.
Direct Link  |  

Lauer, D.A., 1986. Response of Nooksack potatoes to nitrogen fertilizer. Am. Potato J., 63: 251-262.
CrossRef  |  Direct Link  |  

Love, S.L., J.C. Stark and T. Salaiz, 2005. Response of four potato cultivars to rate and timing of nitrogen fertilizer. Am. J. Potato Res., 82: 21-30.
Direct Link  |  

Marschner, M., 1995. Mineral Nutrition of Higher Plants. 2nd Edn., Academic Press, London, New York, ISBN-10: 0124735436, pp: 200-255.

Meyer, K.M., 2002. Impact of nitrogen management strategies on yield, N use efficiency and Rhizoctonia diseases of Irish potato. M.Sc. Thesis, Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina.

Porter, G.A. and J.A. Sisson, 1991. Response of Russet Burbank and Shepody potatoes to nitrogen fertilizer in two cropping systems. Am. Potato J., 68: 425-443.
CrossRef  |  Direct Link  |  

Shakh, M.N.U., M.A. Awal, S.U. Ahmed and M.A. Baten, 2001. Effect of eyes number in cut seed tuber and different levels of nitrogen on growth, yield and grading of tuber size in potato (Solanum tuberosum L.). Pak. J. Biol. Sci., 4: 1184-1187.
CrossRef  |  Direct Link  |  

Vos, J., 1995. The effect of nitrogen supply and stem density on leaf attributes and stem branching in potato (Solanum tuberosum L.). Potato Res., 38: 271-279.
Direct Link  |