Green Global
Foundation   Journal
...an emerging window for scientific research and publication across the globe

EFFECT OF DIFFERENT RATES OF SULPHUR ON THE YIELD AND YIELDATTRIBUTES OF RICE IN OLD BRAHMAPUTRA FLOODPLAIN SOIL (Pages : 22 - 26)

A field experiment was conducted on a non-calcareous dark gray floodplain soil (Sonatola series) of BAU farm, Mymensingh during Boro season of 2004 using rice (cv. BRRI dhan29) as a test crop. The soil was silt loam having pH 6.8, organic matter 1.62%, available Sulphur (S) 9 ppm and available Phosphorus (P) 7.62 ppm. There where five treatments viz. T0 (control), T1 (10kg S/ha), T2 (20kg S/ha), T3 (40kg S/ha) and T4 (60kg S/ha). A randomized complete block design was followed with four replications. All plots received an equal dose of N, P, K and Zn. The application of S had a significant positive effect on tillers/hill, plant height, panicle length and grains/panicle. The highest grain (5.81t /ha), and straw (7.38t / ha) yields were recorded in the T2 (20kg S/ha). The T0 (control) had the lowest grain yield of 4.38t /ha as well as the lowest straw yield of 5.43t /ha. Regression analysis showed that the optimum dose of S was 32.89 kg/ha and the economic dose of S was 31.59 kg/ha for maximizing the yield. Overall results indicate that application of S fertilizer at a recommended rate (20kg S/ha) might be necessary for obtaining higher grain yield as well as straw yield of Boro rice (cv. BRRI dhan29) in BAU farm and also in the areas having similar edaphic factors. Download