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A field experiment was conducted to measure the effect of different time of pinching with different levels of growth retardants on flowering behavior and yield of African marigold. Comprising of three levels of pinching i.e. un-pinched ,pinching at 20 DAT and pinching at 30 DAT and five levels of growth retardants using, control, Cycocel 500ppm, Cycocel 1000ppm, Alar 1500ppm and Alar3000ppm, during winter season of 2007-08 and 2008-09. Among the pinching 20 DAT with Cycocel 1000ppm was the best for improving floral and yield parameters of African marigold. Early pinching (20DAT) with higher concentration of Cycocel (1000ppm) was suggesting for maximum stalk length (9.07and 9.28) and flowers per plant (82.13 and 85.33), fresh weight of flowers (15.43g and 15.66g) yield of flowers per plant (635.33g and 667.93g) and vase life (11.33 days and 12.46 days).

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A field experiment was conducted during kharif season 2010 and 2011 on sandy loam soil. The treatments comprises having two land configurations (Flat bed and raised bed) and five nutrient management options (control, PSB alone, 100% RDF, 50% RDF+PSB and 100% RDF+PSB) were tested in factorial randomized design with three replication. Results indicated that raised bed planting recorded higher mean growth attributes viz., plant height (63.8 cm), dry weight/plant (14.2 g), LAI at 60 DAS (3.58), number of root nodules/plant (29.7), yield attributing component and yield viz., pods/ plants (19.7), seeds/pod (5.0) and test weight (42.5 g), grain yield (9.8 q/ha), quality parameters viz., protein content (21.4 %) and protein yield (209.9 kg/ha), total nutrients uptake, available soil nutrients status viz., organic carbon (0.575 %), available nitrogen (225.4 kg/ha), phosphorus (16.9 kg/ha) and potassium (249.2 kg/ha) and economics viz., net return/ha (Rs 13200), B:C ratio (1.55), production efficiency (12.3 kg/day/ha) and economic efficiency (165 Rs/day/ha) as compared to flat bed method. Similarly 100% RDF + PSB produces highest values of all the above parameters than rest of the treatments.