M. Ferdous, M. Islam, Monirul Islam, Isfatuzzaman Bhuyan, Sazedul Islam, Dabasish Mondal
Turmeric is an important spice crop of Bangladesh. A field experiment was conducted at farmer’s field of North Jhatibunia, Mirzagonj, Patuakhali during April, 2015 to February, 2016. The study was performed to find out the effect of green manure and nitrogenous fertilizer on the growth and yield of turmeric (BARI Halud-2), in coastal region of Bangladesh. In this study different combinations of green manure along with nitrogenous fertilizer were used. There was eight treatment combinations (viz. 7 ton biomass/ha + 100 kg N/ha, 7 ton biomass/ha + 80 kg N/ha, 7 ton biomass/ha + 60 kg N/ha, 7 ton biomass/ha + 40 kg N/ha, 7 ton biomass/ha + 20 kg N/ha, 7 ton biomass/ha, 100 kg N/ha and control). The highest number of leaves per plant (11.67) were recorded by the combined application of 7 ton biomass/ha along with 100 kg N/ha. The highest plant height (80.70 cm) and the longest leaf length (47.33 cm) were recorded by the application of 100 kg N/ha. The highest number of tillers per plant (7.67), maximum number of primary rhizomes per plant (9.00), maximum fresh weight of clump (189.67 g), highest fresh weight of roots (48.01 g), maximum fresh weight of rhizomes (277.70 g), maximum dry weight of clump (20.01 g), highest dry weight of roots (9.25 g), maximum dry weight of rhizomes (67.50 g) and maximum yield of fresh rhizome per hectare (6.64 tons) were recorded by the combined application of 7 ton /ha biomass+ 40 kg N/ha. Highest number of secondary rhizomes per plant (17.00) and maximum number of tertiary rhizomes per plant (7.00) were recorded by the application of 7 ton biomass/ha + 60 kg N/ha. With a few exception, the best performance in terms of growth and yield of turmeric were found from the combination of 7 ton biomass /ha + 40 kg N/ha.
姜黄是孟加拉国重要的香料作物。2015年4月至2016年2月，在北Jhatibunia、Mirzagonj、Patuakhali的农民田间进行了田间试验。本研究旨在了解绿肥和氮肥对孟加拉国沿海地区姜黄(BARI Halud-2)生长和产量的影响。本试验采用不同的绿肥配施氮肥。共有8种处理组合(即7吨生物量/公顷+ 100公斤氮/公顷、7吨生物量/公顷+ 80公斤氮/公顷、7吨生物量/公顷+ 60公斤氮/公顷、7吨生物量/公顷+ 40公斤氮/公顷、7吨生物量/公顷+ 20公斤氮/公顷、7吨生物量/公顷、100公斤氮/公顷和对照)。生物量为7吨/公顷，氮素为100公斤/公顷时，单株叶片数最高，达11.67片。施用100 kg N/ha时，株高最高(80.70 cm)，叶长最长(47.33 cm)。最高的单株分蘖数(7.67),基本每个植物根状茎最大数量(9.00),最大丛鲜重(189.67 g),最高的根鲜重(48.01 g),最大的根状茎鲜重(277.70 g),最大丛干重(20.01 g),最高的根干重(9.25 g),最大的根状茎干重(67.50克)和最高产量每公顷的新鲜粉末(6.64吨)的组合应用程序记录7吨/公顷生物量N + 40公斤/公顷。当生物量为7 t /ha + N为60 kg /ha时，单株次生根茎数最高(17.00根)，单株三级根茎数最高(7.00根)。除少数例外，7吨生物量/公顷+ 40公斤氮/公顷的组合在姜黄生长和产量方面表现最佳。
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