Author(s): B. MALAKAR, S. MONDAL, P. BANDOPADHYAY AND C. K. KUNDU

Abstract: The field experiment was carried at Central Research Farm of Bidhan Chandra Krishi Viswavidyalaya, Gayeshpur, Nadia, West Bengal on forage oat during rabi season (December to March) of 2006-2008 to study the response of nitrogen and phosphate fertilizer and their interaction. The experimental soil is sandy loam in texture with neutral pH (6.90). The trial was laid out factorial randomized block design with sixteen treatments, replicated thrice. The treatment combinations were consisted of four levels of nitrogen viz. 0, 40, 80 and 120 kg/ha and four levels of phosphate viz. 20, 40, 60 and 80 kg/ha. The observations were taken on plant height, dry matter accumulation, LAI, CGR, GFY, DFY and CPY. Results reveal that the effect of different doses of nitrogen and phosphate influenced the plant height, dry matter accumulation, LAI, CGR, GFY, DFY and CPY. The fodder yield attributes i.e. GFY, DFY and CPY were the maximum when nitrogen was applied @ 80 kg/ha. Similarly, in case of phosphate, the different yield attributes were the maximum when applied @ 60 kg/ha. The interaction effect of N and P was significant in case of GFY and CPY. It was concluded that N80 and P60 proved to be the best, which are statistically at par with N120 and P80 respectively.

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