我国甘薯施肥情况与研究态势分析

doi:10.12190/j.issn.2096-1197.2025.03.13

Abstract

Abstract: 【Objective】To clarify the research status and development trends of sweet potato fertilization in China,and provide theoretical references for the scientific fertilization of sweet potato.【Methods】Based on bibliometrics,with “sweet potato” and “fertilization” as the research themes,the Chinese core journal literatures from 2000 to 2024,retrieved from China National Knowledge Infrastructure（CNKI）,were used as the research data. The VOSviewer 1.6.10 statistical software was employed for visual analysis of the literature output,journal sources,cooperative relationships,and keywords bursts in domestic research on sweet potato fertilization. The fertilization formulas and soil nutrient data from different sweet potato-growing regions were compiled to analyze the fertilization status of sweet potato from both spatial and temporal scales.【Results】In the field of sweet potato fertilization research,the number of publications showed an overall upward trend：the period 2000—2010 was a stage of rapid growth,while 2011—2024 was a stage of stable development. The average number of citations per publication among different types of institutions was as follows：universities（12.36 citations/article）>research institutes（11.96 citations/article）>promotion units（1.07 citations/article）. The fertilization practices of sweet potato were strongly correlated with variety breeding,soil fertility,government policies,and other factors. During 2000—2024,the co-occurring keywords of sweet potato fertilization gradually shifted from “balanced fertilization” in the early stage to “scientific fertilization”,and the types of fertilizers gradually changed from nitrogen-phosphorus-potassium fertilizers to novel fertilizers and organic fertilizers. The fertilizer application rate in major sweet potato-growing regions was generally close to the recommended fertilizer application rate by the Ministry of Agriculture and Rural Affairs,and the fertilizer application rate of sweet potato showed a pattern of first decreasing and then slowly increasing.【Conclusion】Over the past 25 years,the fertilizer application rate of sweet potato in China has exhibited a trend of first decreasing and then slowly increasing. The sweet potato industry is undergoing a transformation from a food crop to an economic crop,and the sweet potato fertilization technology is gradually developing towards the direction of green and high efficiency. In the future,it is necessary to strengthen the research and development of new technologies for sweet potato fertilization.

Key words: Sweet potato, Fertilization, Research status, Bibliometrics

CLC Number:

S531

LIU Xianglin, MAO Wei, CHEN Ming. Analysis of the status and research trends of sweet potato fertilization in China[J].Journal of Northern Agriculture, 2025, 53(3): 122-134.

References

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Analysis of the status and research trends of sweet potato fertilization in China

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