Growth Pattern of Three High Yielding Rice Varieties under Different Phosphorus Levels (original) (raw)

2009, Advances in Biological Research

An experiment was carried out at the Agronomy Field of the Sher-e-Bangla Agricultural University, Dhaka during the period from December, 2006 to June, 2007 study the relative performance of inbred and hybrid rice varieties at different levels of phosphorus. Three varieties of inbred and hybrid rice (BRRI dhan 29, Aloron and Hira-2) and five levels of phosphorus (0, 24, 48, 72 and 96 Kg P O ha) were the treatment variables. The 2 5 1 experiment was laid out fallowing spilt plot design with three replications having varieties in the main plot and phosphorus rate in the sub-plot. Plant height and growth rate varied significantly due to the variations of variety. At all the growth stages the tallest plant was observed with 96 kg P ha which was statistically at par 1 with other P doses except 25 DAT where the maximum plant height with 96 kg ha followed by with 72 kg ha .

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