Influence of straw mulching on fertilizer nitrogen use efficiency,moisture conservation and herb and essential oil yield in Japanese mint (Mentha arvensis L.) |
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Authors: | D. D. Patra Muni Ram D. V. Singh |
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Affiliation: | (1) Central Institute of Medicinal and Aromatic Plants, RSM Nagar, Post Bag No. 1, 226016 Lucknow, India |
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Abstract: | In a field study, the influence of organic mulches viz. paddy straw and citronella (Cymbopogon winterianus Jowitt) distillation waste on herb and essential oil yield and fertilizer N use efficiency in Japanese mint (Mentha arvensis L.) were examined for two years. Herb yield (dry weight) increased by 17 and 31% with paddy straw and citronella distillation waste, respectively over the use of no mulch. Essential oil yield also significantly increased due to mulching. A significant response to N was observed with 200 kg N ha–1 in unmulched plots as against 150 kg N ha–1 in mulched plots. Mulched soils have been observed to contain 2 to 4% higher moisture as compared to unmulched soils. Nitrogen uptake by plants increased by 18 and 25% over no mulch with using paddy straw and citronella distillation waste, respectively. |
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Keywords: | Citronella waste Paddy straw |
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