1Department of Vegetable Science, G.B. Pant University of Agri. & Tech., Pantnagar 263 145, Uttrakhand.
2Department of Soil Science, G.B. Pant University of Agri. & Tech., Pantnagar 263 145, Uttrakhand.
*Corresponding author's E-mail: sobaran55@yahoomail.com; alokmaue@rediffmail.com