Madras Agricultural Journal
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YIELD AND QUALITY OF ESSENTIAL OIL OF JAPANESE MINT AS AFFECTED BY N-RATES AND ROW-SPACING

Abstract

Japanese mint (Mentha arvensis Linn) was harvested twice during the growing secs in in a field trial conducted at Lucknow (26,5° N, 80.5 E, 120 m alt). High herb. dryinatter and essential oil yields were associated with high rates of N application up to 160Kg/ha (in the range of 80, 120, 160 & 200 kg N/haj. and 45 cm row spacing (30, 45 & 60 cm). Though the menthol content in, oit decreased significantly with increasing N levels to 200 kg/ha but the menthol yield increased up to the application of 160Kg N/ha. Row spacing did not cause significant variation in menthol content. however, highest menthol (%) was observed at 45 cm row-spacing.

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