Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2010 Vol: 2 Issue: 4

Effect of Zinc and Sulphur on herb, oil yield and quality of Menthol mint (Mentha arvensis L.) var. Kosi


The field experiment was conducted during the years 1999 and 2000 on mollisols of Crop Research Center Pantnagar (Uttarakhand) to study the effect of zinc and sulphur with three different NPK levels. Addition of Sulphur increased the herb, oil and menthol yield as compared to zinc but combined application of zinc +sulphur with all three NPK levels resulted in higher herb, oil and menthol yield. Total oil yield and total menthol yield was highest due to the application of recommended NPK (150:60:40) +Zn + S. While plant height, LAI, L: S ratio and herb yield was more due to application of 130% of recommended NPK +Zn +S