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Role of nitrogen and magnesium for growth, yield and nutritional quality of radish
Saudi Journal of Biological Sciences ( IF 4.4 ) Pub Date : 2021-02-18 , DOI: 10.1016/j.sjbs.2021.02.043
Muhammad Yousaf , Saqib Bashir , Hasnain Raza , Adnan Noor Shah , Javaid Iqbal , Muhammad Arif , Muhammad Adnan Bukhari , Sadiq Muhammad , Sarfraz Hashim , Jawaher Alkahtani , Mona S. Alwahibi , Chengxiao Hu

Nitrogen (N) affects all levels of plant function from metabolism to resource allocation, growth, and development and Magnesium (Mg) is a macronutrient that is necessary to both plant growth and health. Radish (Raphanus sativus L.) occupies an important position in the production and consumption of vegetables globally, but there are still many problems and challenges in its nutrient management. A pot trial was conducted to investigate the effects of nitrogen and magnesium fertilizers on radish during the year 2018–2019. Nitrogen and magnesium was applied at three rates (0, 0.200, and 0.300 g N kg−1 soil) and (0, 0.050, and 0.100 g Mg kg−1 soil) respectively. The experiment was laid out in a completely randomized design (CRD) and each treatment was replicated three times. Growth, yield and quality indicators of radish (plant height, root length, shoot length, plant weight, total soluble sugar, ascorbic acid, total soluble protein, crude fiber, etc.) were studied. The results indicated that different rates of nitrogen and magnesium fertilizer not only influence the growth dynamics and yields but also enhances radish quality. The results revealed that the growth, yield and nutrient contents of radish were increased at a range of 0.00 g N. kg−1 soil to 0.300 g N. kg−1 soil and 0.00 g Mg. kg−1 soil to 0.050 g Mg. kg−1 soil and then decreased gradually at a level of 0.100 g Mg. kg−1 soil. In contrast, the crude fiber contents in radish decreased significantly with increasing nitrogen and magnesium level but increased significantly at Mg2 level (0.050 g Mg. kg−1 soil). The current study produced helpful results for increasing radish quality, decreasing production costs, and diminishing underground water contamination.



中文翻译:

氮和镁在萝卜生长,产量和营养品质中的作用

氮(N)影响从代谢到资源分配,生长和发育的所有水平的植物功能,而镁(Mg)是植物生长和健康所必需的大量营养素。萝卜(Raphanus sati vus L.)在全球蔬菜的生产和消费中占有重要地位,但是在营养管理方面仍然存在许多问题和挑战。进行了盆栽试验,以调查氮肥和镁肥在2018–2019年期间对萝卜的影响。氮和镁的施用量分别为三种(0、0.200和0.300 g N kg -1土壤)和(0、0.050和0.100 g Mg kg -1土壤)。实验采用完全随机设计(CRD)进行,每种处理重复3次。研究了萝卜的生长,产量和品质指标(株高,根长,枝长,株重,总可溶性糖,抗坏血酸,总可溶性蛋白,粗纤维等)。结果表明,不同氮磷钾配比的施肥不仅影响生长动态和单产,而且提高了萝卜的品质。结果表明,在0.00g N.kg -1土壤至0.300g N.kg -1土壤和0.00g Mg的范围内,萝卜的生长,产量和养分含量增加。kg -1土壤至0.050 g Mg。千克-1土壤,然后以0.100 g Mg的水平逐渐降低。kg -1土壤。相反,萝卜中的粗纤维含量随着氮和镁含量的增加而显着降低,但在Mg 2水平(0.050 g Mg。kg -1土壤)下显着增加。当前的研究为提高萝卜质量,降低生产成本和减少地下水污染产生了有益的结果。

更新日期:2021-02-18
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