Impacts of "Medicinal Herb-Liana" Utilization Models under Photovoltaic Panels on Soil Nutrient Cycling and Enzyme Activity in Rocky Desertification Areas

Yang Qingshang; Wang Lei; Yang Guojin; Shao Chunyue; Liu Yungen; Zhang Chen; Wang Yan

doi:10.13870/j.cnki.stbcxb.2026.04.030

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Impacts of "Medicinal Herb-Liana" Utilization Models under Photovoltaic Panels on Soil Nutrient Cycling and Enzyme Activity in Rocky Desertification Areas

\"Special Issue on Rocky Desertification Control and Ecological Restoration\" | 更新时间：2026-09-10

- Impacts of "Medicinal Herb-Liana" Utilization Models under Photovoltaic Panels on Soil Nutrient Cycling and Enzyme Activity in Rocky Desertification Areas
- Journal of Soil and Water Conservation Vol. 40, Issue 4, Pages: 56-64(2026)
- 作者机构：
  
  1.西南林业大学水土保持学院，昆明650224
  2.云南省山地农村生态环境演变与污染治理重点实验室，昆明 650224
  3.国家林业和草原局云南沾益岩溶生态系统定位观测研究站，昆明 650224
  4.国家林业和草原局林草调查规划院，北京 100013
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2026.04.030
  CLC： X171.4;S157.2
- CSTR：32310.14.stbcxb.2026.04.030
- Received：13 February 2026，
  
  Revised：2026-03-31，
  
  Accepted：13 April 2026，
  
  Online First：20 April 2026，
  
  Published：28 August 2026
- 稿件说明：
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杨清商，王蕾，杨国瑾，等.石漠化光伏板下“药-藤”利用模式对土壤养分循环及酶活性的影响效应［J］.水土保持学报，2026，40（4）：56-64.

Yang Qingshang， Wang Lei， Yang Guojin， et al. Impacts of "Medicinal Herb-Liana" utilization models under photovoltaic panels on soil nutrient cycling and enzyme activity in rocky desertification areas［J］. Journal of Soil and Water Conservation， 2026， 40（4）：56-64.
杨清商，王蕾，杨国瑾，等.石漠化光伏板下“药-藤”利用模式对土壤养分循环及酶活性的影响效应［J］.水土保持学报，2026，40（4）：56-64. DOI： 10.13870/j.cnki.stbcxb.2026.04.030. CSTR： 32310.14.stbcxb.2026.04.030.

Yang Qingshang， Wang Lei， Yang Guojin， et al. Impacts of "Medicinal Herb-Liana" utilization models under photovoltaic panels on soil nutrient cycling and enzyme activity in rocky desertification areas［J］. Journal of Soil and Water Conservation， 2026， 40（4）：56-64. DOI： 10.13870/j.cnki.stbcxb.2026.04.030. CSTR： 32310.14.stbcxb.2026.04.030.

摘要

目的

为实现石漠化光伏板下空间的高效利用与价值转化，揭示不同“药-藤”利用模式改善对土壤养分与酶活性的影响效应，选出能够高效利用板下空间且兼具社会经济价值的模式。

方法

依托近自然室内模拟试验场，构建何首乌与不同藤本植物的复合利用模式，基于旱、雨两季的土壤数据，利用单因素方差分析、非线性回归及冗余分析系统阐明不同利用模式下土壤全量与速效养分随时间的变化趋势，进一步明确土壤理化性质与酶活性之间的关联特征。

结果

1）何首乌加金银花模式表现为稳定的养分积累效应；葛根模式呈强烈的季节波动，养分含量全年呈现净消耗状态；紫藤模式养分先增加后减少；对照则表现为持续的养分耗损。2）速效养分的季节动态具有明显的物种特异性，金银花模式实现了速效磷与钾元素在两季的积累；紫藤模式虽在旱季使得碱解氮爆发式增长4.02 mg/kg，但该增量在雨季迅速流失。3）有机碳与速效磷是驱动酶活性变异的关键因子，解释率分别为71.8%（旱季）和83.5%（雨季）。金银花模式通过积累有机碳缓解了碳磷限制，使土壤养分与酶活性均呈稳步增加的趋势，而紫藤模式则处于酶活性较高，养分较低的状态。

结论

“药-藤”复合利用对光伏板下区域的土壤生化系统稳定性及养分循环效率提升具有重要作用，何首乌与金银花的复合利用模式展现出最优的适生潜力与生态效益，研究结果可为石漠化地区光伏电站的板下经济开发与土壤生态可持续管理提供理论依据与实践指导。

Abstract

Objective

This study aims to achieve efficient utilization and value transformation of the space under photovoltaic panels in rocky desertification areas， and to reveal the effects of different "medicinal herb-liana" utilization models on improving soil nutrients and enzyme activities， thereby selecting a model that can efficiently utilize the space under panels while having socioeconomic value.

Methods

Based on a near-natural indoor simulation test site， composite utilization models of

Polygonum multiflorum

with various lianas were established. Drawing from soil data in both dry and rainy seasons， one-way ANOVA， nonlinear regression， and redundancy analysis were employed to systematically analyze the temporal variation trends of total soil nutrients and available nutrients under different utilization models， thereby further clarifying the correlation characteristics between soil physicochemical properties and enzyme activity.

Results

1） The model of

P. multiflorum

with

Lonicera japonica

exhibited a stable nutrient accumulation effect； the model of

P. multiflorum

with

Pueraria

lobata

showed strong seasonal fluctuations， with a net depletion of nutrient content throughout the year； the model of

P. multi

florum

with

Wisteria

showed an initial increase followed by a decrease in nutrients. In comparison， the control group exhibited continuous nutrient depletion. 2） The seasonal dynamics

of available nutrients showed significant species specificity. The

L. japonica

model achieved accumulation of available phosphorus and potassium in both dry and rainy seasons. In addition， despite an explosive increase of 4.02 mg/kg in alkali-hydrolyzable nitrogen in the

Wisteria

model during the dry season， this increase was rapidly lost during the rainy season. 3） Organic carbon and available phosphorus served as key factors driving enzyme activity variation， with explanatory rates of 71.8% （dry season） and 83.5% （rainy season）， respectively. The

L. japonica

model alleviated carbon and phosphorus limitations through the accumulation of organic carbon， resulting in a steady increase in both soil nutrients and enzyme activity， whereas the

Wisteria

model presented a state of high enzyme activity but low nutrient content.

Conclusion

The "medicinal herb-liana" composite utilization model plays an important role in enhancing the stability of the soil biochemical system and nutrient cycling efficiency in the area under photovoltaic panels. The composite utilization model of

P. multiflorum

with

L. japonica

exhibits the best adaptation potential and ecological benefits. The research results can provide a theoretical basis and practical guidance for under-panel economic deve-lopment and sustainable soil ecological management of photovoltaic power stations in rocky desertification areas.

关键词

Keywords

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