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A field experiment was conducted during 2017 at Horticulture Research Farm-II, BBAU, Lucknow, Studies on the " Efficacy of biofertilizers and the combinations with chemical fertilizers on vegetative growth and yield of okra [Abelmoschus esculentus (L.) Moench]" revealed that vegetative attribute Plant height (136.00 cm),Number of Leaves/Plant(20.91),Diameter Stem of okra(2.32cm),Number of Days Taken To First Flowering(50.33),Number of Flower/Plant(20.33),Number Of Days Taken To First Fruit Formation(50.33), Number of Branches/plant(5.33). Yield attribute Number Of Fruit/ Branch(10.76), Number Of Fruit/plant(23.90), Length Of Fruit (8.46cm),Girth Of Fruit(1.51 cm),Weight Of Fruit (9.59g), Fruit Yield/plant(144.02g), Fruit Yield/plot(2.32kg) and were maximized Fruit Yield/ha(116.38 q/ha).When we use with recommended dose of fertilizers (RDF), NPK (50%), PSB (50%), Azotobacter (50%) and Azospirillum (75%).

The main objective of this article is to perform the turning operation on an EN36B steel work-billet with a tungsten carbide tool, to study the optimal cutting parameters and carry out an analysis of flank-wear. Experimental and simulation-based research methodology was opted in this study. Experimental results were obtained from the lab setup, and optimisation of parameters was performed using RSM (response surface methodology). Using RSM, cutting-tool flank-wear was optimised, and the cutting parameters which affect the flank wear were determined. In results main effect plot, contour plot, the surface plot for flank-wear and forces (Fx, Fy and Fz) were successfully obtained. It was concluded that tool flank-wear is affected by depth of cut, and that flank-wear generally increases linearly with increasing cutting-speed, depth of cut and feed-rate. To validate the obtained results, predicated and measured values were plotted and were in very close agreement, having an accuracy level of 96.33% to 98.92%.

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