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Effect of irrigation and nitrogen on herbage, oil yield and water use of lemongrass (Cymbopogon flexuosus) on alfisols

Published online by Cambridge University Press:  01 March 1999

M. SINGH
M. SINGH
Affiliation:
Central Institute of Medicinal and Aromatic Plants, Field Station, Bangalore – 560 065, India
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Abstract

A field experiment was conducted with lemongrass (Cymbopogon flexuosus) at Bangalore, India during 1993–95 under three oil moisture regimes (0·75, 0·50 and 0·25) irrigation water:cumulative pan evaporation (IW:CPE) ratios and four rates of nitrogen application (0, 50, 100 and 150 kg ha−1). The soil moisture regime maintained at 0·75 IW:CPE ratio significantly increased crop growth characters such as plant height, leaf area index, herbage and essential oil yields, compared with those having 0·25 and 0·50 IW:CPE ratios. An application of 100 kg N ha−1 was found to be optimal for crop yield. Oil content and quality of oil were not affected by irrigation and nitrogen rates.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 132 , Issue 2 , March 1999 , pp. 201 - 206
Copyright
© 1999 Cambridge University Press

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