Abstract
A field experiment was conducted at Instructional farm of Krishi Vigyan Kendra Kendrapara, Odisha during kharif and rabi seasons of 2013-14 and 2014-15 in rice-groundnut cropping system under irrigated medium land situation. The soil of the experimental site was sandy loam in texture with pH of 5.7, organic carbon of 0.52% having available soil nitrogen, phosphorus and potassium of 390.9 kg/ha, 10.1 kg/ha and 190.1 kg/ha respectively. Rice crop (var. Sahabhagi dhan) was transplanted in kharif season taking nine treatments having three levels of nutrient management practice and three level of weed management with three replications. Further during rabi season each main plot was divided into two sub-plots taking groundnut (var. Devi) with two levels of weed management practices under split plot design. The pooled data revealed that growth of rice and yield attributes were significantly higher in treatment of RDF (75% N) with green manuring of dhaincha (Sesbania aculeata) with pre emergence application of herbicide oxadiargyl followed by post emergence bispyribac-sodium which recorded higher plant height (96.35 cm), number of tillers per plant (212.7), Leaf area index (4.4), dry matter accumulation (1347.5 g/plant), panicle length (25.8 cm) and test weight (22.33 g).
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