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Effect of Organic and Inorganic Sources of Nitrogen on Growth, Yield, and Quality of Beetroot Varieties in Nepal

机译：氮气对尼泊尔甜菜根系生长，产率和品质的影响

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Economic use of organic and inorganic fertilizers following their availability is necessary for livestock-based Nepalese farming systems. However, how best to integrate these fertilizers in an appropriate manner is not yet clear. Thus, this study was conducted in the horticulture farm of the Agriculture and Forestry University (AFU), Rampur, Chitwan, Nepal from November 2018 to February 2019 to evaluate the effect of organic and inorganic sources of nitrogen (N) on growth, yield, and quality of beetroot (Beta vulgaris L.) varieties. The experiment was laid out in a two factorial randomized complete block design with four replications consisting of two beetroot varieties, i.e., Madhur and Ruby Red, and five N source combinations, i.e., N1: 100% poultry manure (PM), N2: 50% PM + 50% urea, N3: 100% farmyard manure (FYM), N4: 50% FYM + 50% urea, and N5: 100% urea (120:80:40 kg NPK ha?1). Results of this study indicated a significant impact of N sources and varieties on the assessed parameters. During harvest, a significantly higher plant height (41.84 cm), number of leaves per plant (14.68), leaf length (34.56 cm), leaf width (11.38 cm), and beetroot diameter (72.15 mm) were observed in the N2 treatment. Likewise, higher economic (49.78 t ha?1) and biological yields (78.69 t ha?1) were also recorded in the N2 compared to other N sources. Out of the two varieties, the Madhur variety was significantly better in most growth and yield parameters. Similarly, the Madhur variety showed a significantly higher economic (44.49 t ha?1) and biological yields (69.79 t ha?1) compared to the Ruby Red variety. However, the physiological weight loss was higher in the Ruby Red variety. Therefore, the current study suggests that an integration of poultry manure along with the combination of N fertilizer and the Madhur variety is the best combination for quality beetroot production in the Terai region of Nepal.
机译：基于畜牧业的尼泊尔农业系统需要在可用性之后使用有机和无机肥料的经济利用。但是，如何最好以适当的方式整合这些肥料尚不清楚。因此，本研究在2018年11月至2019年11月的农业和林业大学（AFU），克拉姆尔，楚廷，楚格湾，尼泊尔的园艺农场进行了评价有机和无机氮（N）对生长，产量的影响，甜菜根（甜菜根）品种的品种。该实验中的两个阶级随机完全块设计中定制，具有四种复制，包括两个甜菜根品种，即Madhur和Ruby Red，以及五个源组合，即N1：100％家禽粪便（PM），N2：50 ％PM + 50％尿素，N3：100％谷仓粪肥（FYM），N4：50％FYM + 50％尿素，N5：100％尿素（120：80：40公斤NPK HA？1）。该研究的结果表明N个来源和品种对评估参数的显着影响。在收获期间，在N 2处理中观察到植物高度（41.84cm），每株植物数量，叶片长度（34.56厘米），叶宽（11.38cm）和甜菜根直径（72.15mm）。同样，与其他N个来源相比，N 2还记录了更高的经济（49.78吨HA→1）和生物收率（78.69吨HA？1）。在两种品种中，Madhur品种在大多数生长和产量参数中显着更好。同样，与红宝石红品种相比，Madhur品种呈现出显着更高的经济（44.49吨HA？1）和生物收益率（69.79吨，1）。然而，红宝石红品种的生理体重减轻较高。因此，目前的研究表明，家禽肥料与N肥料和Madhur品种的结合是最佳组合在尼泊尔泰国泰国地区的优质甜菜根生产。

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