Nutrient management of late-planted wheat (Triticum aestivum) on alfisol of Bihar plateau
2000
Verma, U.N. | Thakur, R. | Pal, S.K. | Singh, M.K. | Singh, S.P. (Birsa Agricultural University, Ranchi (India). Dept. of Agronomy)
A field experiment was conducted during winter season of 1994-96 to study the nutrient requirement of late-planted wheat (Triticum aestivum L. emend. Flori & Paol.) in split-plot design on sandy-Ioam soil of Bihar plateau. Main plot consisted of 4 seeding times, viz. moderately late (1 December), late (16 December), very late (1 January) and extremely late (16 January), and subplot consisted 4 nutrient levels, viz. NoP oKo, N40P 8.7KI6.6' N8OP 17.5K24.9 and N120P 26.2K33.2. Moderately late-planted crop responded up to N120P 26.2K33.2 with grain yield of 4,661 kg/ha, straw yield of 6,805 kg/ha and net return of As 23,417/ha. Similarly, late-planted wheat responded up to N8oKI7.5&4.9with grain yield 3,061 kg/ha, straw yield 4, 193 kg/ha and net return As 13,386/ha. Likewise, very late-planted crop showed response to N40P 8.7KI6.6 with grain yield 2,035 kg/ha, straw yield 2,747 kg/ha, and net return As 7,383/ha. However, extremely late-planted wheat with or without fertilizer was not at all profitable.
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