Author(s): A. CHAKRAVARTY, S. GUCHAIT, J. K. HORE AND D. MUKHERJEE

Abstract: An investigation laid out in RBD design with five replications was carried out at Horticultural Research Station, Mondouri, Bidhan Chandra Krishi Viswavidyalaya, Nadia, West Bengal during the year 2007-2008 to find out the effect ofrnmicronutrients on some biochemical attributes vis-à-vis yield of ginger rhizome .The treatment consists of spray of zinc sulphate (0.5%), copper sulphate (0.5%) and ammonium molybdate (0.1%) along with control on 60 and 90 days after planting (DAP) and laid out in RBD with five replication. Results reveal that each of foliar micronutrient spray caused a significant increment of micronutrients while those for each zinc and copper sulphate; there was a significant rise of starch and ascorbic acid level over that of control in ginger rhizome. Whereas, spray of ammonium molybdate effectuated a significant enhancement in the level of soluble protein over that of control which was also significant in addition to total sugar and oleoresin for that of zinc sulphate. All in all, the foliar spray of zinc sulphate resulted in the highest generation of micronutrients and the impact of them was reflected though not significant yet in the highest yield besides a better biochemical environment in ginger rhizome.

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