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A field experiment was conducted during winter season of the year 2004–05 and 2005–06 to assess the efficacy of various levels of boron and molybdenum as foliar and soil application on growth, yield and economics of cauliflower cv. Snowball K-1. Among the various treatments borax 20 kg/ha + sodium molybdate 2 kg/ha as soil application in combination of recommended dose of NPK @ 120: 60: 60 kg/ha (T12) gave the maximum height of plant, length of leaf, width of leaf, total weight of plant, width of curd, average weight of curd and yield of curd, while foliar application of boron @ 100 ppm + molybdenum @ 50 ppm alongwith recommended dose of NPK @ 120: 60: 60 kg/ha (T4) gave highest growth and yield among all the foliar application treatments. The maximum net return (Rs.76865.00) and cost benefit ratio (3.15) was obtained under treatment T4.