EFFECT OF DIFFERENT LEVELS OF COWDUNG ON GROWTH, YIELD AND NUTRIENT CONTENT OF BRRI dhan33

The experiment was conducted at the Farm of Sher-e-Bangla Agricultural University, Bangladesh during the period from June to November 2012 to study the effect of cowdung on yield and nutrient content of transplanted aman rice (BRRI dhan33). The experiment consisted 4 levels of cowdung viz., C₀: 0 ton cowdung ha^-1 (control), C₁: 4.5 ton cowdung ha^-1, C₂: 5.0 ton cowdung ha^-1 and C₃: 5.5 ton cowdung ha^-1 following Randomized Complete Block Design with three replications. Tallest plant (88.6 cm at harvest), maximum number of effective tillers hill^-1 (13.4), maximum grain yield ha^-1 (5.2 ton) was found from C₃ while minimum from C₀. On the other hand, maximum N (1.39%), P (0.29%), K (0.65%), S (0.13%) and Zn (0.026%) content in grain was  found from C₃ which was statistically similar with the C₂ whereas minimum from C₀.