应用化学 ›› 2025, Vol. 42 ›› Issue (9): 1297-1306.DOI: 10.19894/j.issn.1000-0518.250108
• 人参专栏 • 上一篇
夏昉1, 银书敏1, 李成国2, 任杰1, 刘琳琳1, 李凤君1, 谢铮1(
)
收稿日期:2025-03-14
接受日期:2025-06-11
出版日期:2025-09-01
发布日期:2025-09-28
通讯作者:
谢铮
Fang XIA1, Shu-Min YIN1, Cheng-Guo LI2, Jie REN1, Lin-Lin LIU1, Feng-Jun LI1, Zheng XIE1(
)
Received:2025-03-14
Accepted:2025-06-11
Published:2025-09-01
Online:2025-09-28
Contact:
Zheng XIE
About author:xieery@126.comSupported by:摘要:
基于狄利克雷主题模型对影响人参生长的肥力因素效应进行热点主题提取及主题演化分析。运用LDA主题模型对土壤肥力因素影响人参生长领域的304篇文献进行深入分析与挖掘,根据主题困惑度与pyLDAvis可视化结果确定最佳主题,基于高频主题词识别热点主题并总结其演化规律。 提炼出关于人参生长机制响应规律的“磷肥改善人参生长形态(主题1)、钾肥影响参叶形态(主题2)、微生物调控土壤酶促进人参生长(主题3)和氮素促进人参茎、叶生长(主题4)”4个核心主题,其中“微生物调控土壤酶促进人参生长(主题3)”为当前热门研究方向。 揭示了肥力因素对人参土壤调控进而影响人参生长的规律,为栽培人参土壤的改良及肥料优化施用提供科学依据。
中图分类号:
夏昉, 银书敏, 李成国, 任杰, 刘琳琳, 李凤君, 谢铮. 基于狄利克雷分配主题模型的土壤肥力因素对人参生长的影响主题分析[J]. 应用化学, 2025, 42(9): 1297-1306.
Fang XIA, Shu-Min YIN, Cheng-Guo LI, Jie REN, Lin-Lin LIU, Feng-Jun LI, Zheng XIE. Thematic Analysis of the Effect of Soil Fertility Factors on Ginseng Growth Based on Latent Dirichlet Allocation Topic Modeling[J]. Chinese Journal of Applied Chemistry, 2025, 42(9): 1297-1306.
| 主题 | 高频主题词 |
|---|---|
磷肥改善 人参生长 形态(主题1) | 0.0670人参,0.0340磷肥,0.0244土壤,0.0214氮素,0.0177微生物,0.0048浓度,0.0036孢子,0.0036菌株,0.0035肥料,0.0032品质,0.0032叶片,0.0032保护,0.0028发酵,0.0028栽培,0.0028胁迫,0.0027培养,0.0027有机,0.0026改善,0.0026真菌,0.0025生长发育,0.0025硝态,0.0024转化,0.0023栽参,0.0023连作,0.0022磷酸化,0.0021根系,0.0021升高,0.0020分离,0.0020根际,0.0020病害 |
钾肥影响 参叶形态 (主题2) | 0.1296钾肥,0.0457人参,0.0153土壤,0.0114叶绿素,0.0108浓度,0.0099微生物,0.0084脲酶,0.0049栽培,0.0048氮素,0.0037品质,0.0031种植0.0028内皮细胞,0.0027规律,0.0027保护,0.0024升高,0.0023抑制作用,0.0023下降,0.0022叶片,0.0022总皂,0.0021胁迫,0.0021生长发育,0.0020多样性,0.0019真菌,0.0019连作,0.0019根际0.0018药用植物,0.0018改善,0.0018转化,0.0017病害,0.0017磷酸酶 |
微生物调 控土壤酶 促进人参 生长(主题3) | 0.4651微生物,0.0388人参,0.0259磷酸酶,0.0257脲酶,0.0147土壤,0.0050氮素,0.0043真菌,0.0041栽培,0.0038根际,0.0027种植,0.0026多样性,0.0023改善,0.0020杆菌,0.0019丰度,0.0019病害,0.0018增强,0.0017连作,0.0016药用植物,0.0015品质,0.0015提取物,0.0015浓度,0.0014炎症,0.0014菌株,0.0014芽孢,0.0013肥料,0.0013疾病,0.0012多糖,0.0012发酵0.0011镰刀,0.0011分离 |
氮素促进 人参茎、叶 生长(主题4) | 0.1521氮素,0.0799人参,0.0284土壤,0.0264微生物,0.0198钾肥,0.0059种植,0.0049根际,0.0046栽培,0.0042肥料,0.0037连作,0.0035分离,0.0028改善,0.0026环境,0.0026多样性,0.0026品质,0.0025真菌,0.0024浓度,0.0023生长发育,0.0023下降,0.0022胁迫,0.0022转化,0.0021栽参,0.0020根系,0.0018增强,0.0017措施,0.0017速效,0.0017产业,0.0017病害,0.0017叶片,0.0017年生 |
表1 核心主题及前30位高频主题词
Table 1 The core themes and the top 30 high-frequency theme words
| 主题 | 高频主题词 |
|---|---|
磷肥改善 人参生长 形态(主题1) | 0.0670人参,0.0340磷肥,0.0244土壤,0.0214氮素,0.0177微生物,0.0048浓度,0.0036孢子,0.0036菌株,0.0035肥料,0.0032品质,0.0032叶片,0.0032保护,0.0028发酵,0.0028栽培,0.0028胁迫,0.0027培养,0.0027有机,0.0026改善,0.0026真菌,0.0025生长发育,0.0025硝态,0.0024转化,0.0023栽参,0.0023连作,0.0022磷酸化,0.0021根系,0.0021升高,0.0020分离,0.0020根际,0.0020病害 |
钾肥影响 参叶形态 (主题2) | 0.1296钾肥,0.0457人参,0.0153土壤,0.0114叶绿素,0.0108浓度,0.0099微生物,0.0084脲酶,0.0049栽培,0.0048氮素,0.0037品质,0.0031种植0.0028内皮细胞,0.0027规律,0.0027保护,0.0024升高,0.0023抑制作用,0.0023下降,0.0022叶片,0.0022总皂,0.0021胁迫,0.0021生长发育,0.0020多样性,0.0019真菌,0.0019连作,0.0019根际0.0018药用植物,0.0018改善,0.0018转化,0.0017病害,0.0017磷酸酶 |
微生物调 控土壤酶 促进人参 生长(主题3) | 0.4651微生物,0.0388人参,0.0259磷酸酶,0.0257脲酶,0.0147土壤,0.0050氮素,0.0043真菌,0.0041栽培,0.0038根际,0.0027种植,0.0026多样性,0.0023改善,0.0020杆菌,0.0019丰度,0.0019病害,0.0018增强,0.0017连作,0.0016药用植物,0.0015品质,0.0015提取物,0.0015浓度,0.0014炎症,0.0014菌株,0.0014芽孢,0.0013肥料,0.0013疾病,0.0012多糖,0.0012发酵0.0011镰刀,0.0011分离 |
氮素促进 人参茎、叶 生长(主题4) | 0.1521氮素,0.0799人参,0.0284土壤,0.0264微生物,0.0198钾肥,0.0059种植,0.0049根际,0.0046栽培,0.0042肥料,0.0037连作,0.0035分离,0.0028改善,0.0026环境,0.0026多样性,0.0026品质,0.0025真菌,0.0024浓度,0.0023生长发育,0.0023下降,0.0022胁迫,0.0022转化,0.0021栽参,0.0020根系,0.0018增强,0.0017措施,0.0017速效,0.0017产业,0.0017病害,0.0017叶片,0.0017年生 |
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