Cultivar specific nitrogen and potassium recommendations optimize yield and quality attributes in sugar beet
文献类型： 外文期刊
作者： Lamlom, Sobhi F. 1 ; Abdelghany, Ahmed M. 4 ; El-Banna, Aly A. A. 3 ; El-Manhaly, Mohamed. M. 5 ; Elsheikh, Amr. M. 5 ; Bassiony, Noran. A. M. 5 ; Teiba, Islam I. 6 ; El-Sorady, Gawhara A. 3 ; Ren, Honglei 7 ; Ahmad, Shakeel 8 ; Zhang, Taifeng 1 ; Feng, Guojun 1 ;
作者机构： 1.Heilongjiang Univ, Work Stn Sci & Tech Postdoctoral Sugar Beet Inst, 74 Xuefu Rd, Harbin 150000, Heilongjiang, Peoples R China
2.Heilongjiang Junyi Agr Ltd Liabil Co, Harbin 150000, Peoples R China
3.Alexandria Univ, Fac Agr Saba Basha, Plant Prod Dept, Alexandria 21531, Egypt
4.Damanhour Univ, Fac Agr, Crop Sci Dept, Damanhour 22516, Egypt
5.Agr Res Ctr, Sugar Crops Res Inst, Giza, Egypt
6.Tanta Univ, Fac Agr, Bot Dept, Tanta 31527, Egypt
7.Heilongjiang Acad Agr Sci, Soybean Res Inst, Harbin 150086, Peoples R China
8.Guangxi Univ, Coll Life Sci & Technol, State Key Lab Conservat & Utilizat Subtrop Agrobio, Nanning 530004, Peoples R China
9.Heilongjiang Univ, Coll Adv Agr & Ecol Environm, 74 Xuefu Rd, Harbin 150000, Heilongjiang, Peoples R China
关键词： Sugar beet (Beta vulgaris); Cultivar selection; PCA; Clustering heatmap; Multivariate analysis
期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.9； 五年影响因子：4.3 ）
ISSN： 2045-2322
年卷期： 2025 年 15 卷 1 期
页码：
收录情况： SCI
摘要： This study aimed to investigate cultivar-specific responses to nitrogen and potassium fertilization in sugar beet (Beta vulgaris) to optimize yield, quality attributes, and fertilizer use efficiency. Five sugar beet cultivars (Indira, Carma, Mallak, Melodia, and Shantala) were evaluated under nine fertilization treatments combining three nitrogen and potassium levels (T1 (144 N,0 K); T2 (144 N,60 K); T3 (144 N,120 K); T4 (216 N,0 K); T5 (216 N,60K2);T6 (216 N,120 K); T7 (288 N,0 K); T8 (288 N,60 K); T9 (288 N,120 K)) in a split-plot design over two growing seasons (2020/2021 and 202120/22 ). Significant cultivar x treatment interactions (p < 0.001) were observed across all parameters. Root yield ranged from 55.72 t/ha (Indira) to 83.33 t/ha (Shantala under T2 treatment). Sucrose content varied from 18.10% (Indira) to 18.92% (Mallak), with corresponding purity levels of 79.93% and 76.39%. Principal component analysis revealed distinct cultivar-specific nutrient responses: lower nitrogen and potassium levels (T1 and T2) positively impacted quality attributes in Indira and Carma, while higher nitrogen and moderate potassium combinations (T3 and T6) enhanced yield attributes in Mallak and Shantala. Economic analysis showed optimal profitability with T3 treatment for Indira and Melodia (ROIs of 89.5% and 91.6%), T2 for Carma and Mallak (ROIs of 123.4% and 113.1%), and T1 or T6 for Shantala (ROI of 166%). Hierarchical clustering and correlation analysis identified strong positive relationships between root yield and biological yield (r = 0.94), recoverable sugar yield (r = 0.87), and sugar yield (r = 0.82). These findings provide valuable recommendations for cultivar-specific nutrient management strategies that farmers can implement to optimize both production efficiency and economic returns while reducing environmental impacts from excessive fertilization.
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