Effect of graded levels of nitrogen and sulphur on yield, nutrient accumulation and quality of Japanese mint (Mentha arvensis)
2002
Anwar, M. | Chand, S. | Naqvi, A.A. | Patra, D.D., Central Institute of Medicinal and Aromatic Plants, Lucknow (India)
A field experiment was conducted at CIMAP farm during 1999-2000 to study the influence of graded levels of N (0, 100 and 200 kg/ha) and S (0, 25 and 50 kg/ha) on yield and quality of Japanese mint (Mentha arvensis). The treatment combination of sulphur @ 50 kg S ha-1 along with nitrogen @ 200 kg N was observed to be the best treatment with respect to herb, dry matter and oil yield of mint. The increase in herb, oil and dry matter yield with S 50 and N200 was 32, 36 and 64 over control, respectively. Almost similar trend was observed with respect to nitrogen, phosphorus, potassium and sulphur uptake by the crop. Content of the principal ingredient in the form of menthol was, however, highest (84) with the application of S and N at 25 and 100 kg/ha, respectively.
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