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EFFECTS OF DIFFERENT TREE LEAF LITTERS ON GROWTH AND YIELD OF OKRA IN MODHUPUR FOREST SOIL (Pages : 5 - 11)

M.F. KHATUN, M.A.H. CHOWDHURY, M.S. ISLAM, S.M.S. HAIDER AND M.Z.A. TALUKDER

A pot experiment was conducted in the open net house of the department of agricultural chemistry, Bangladesh Agricultural University, during 20th March to 15th July 2006, to study the effects of different tree leaf litters and chemical fertilizer on the growth and yield of okra in Modhupur soil. The experiment was laid out in Completely Randomized Design (CRD) with three replications and twelve treatments viz. TA: Acacia (Acacia auriculiformis), TB: Bohera (Terminalia bellirica), TG: Gamer (Gmelina arborea), TF: Chemical fertilizer, TS: Sal (Shorea robusta) and T0: Control (No leaf litter i.e. soil only) and also two varieties were V1: Local dherosh and V2: BARI dherosh-1. All the leaf litters were applied @ 20 ton per hectare and recommended dose (N69 P30 K60 S20 kg ha-1) of chemical fertilizers. Different leaf litters had significant effect on the growth and yield of okra. The performance of BARI dheros-1 was better than the local one. Among the treatments fertilizers gave highest (13.08 t ha-1) yield and lowest (5.79 t ha-1) in control treatment. The interaction effect (TFV2) gave highest yield (14.78 t ha-1) and the lowest (5.76 t ha-1) in TAV1 treatment. In some cases Acacia and Bohera showed identical result with chemical fertilizers.Download


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