Plant and Soil最新文献

{"title":"Soil bacterial communities are influenced by mulching methods and growth stages in dryland wheat fields","authors":"Yao Zhang, Hongbo Cheng, Shouxi Chai, Jiajia Yang, Yuwei Chai, Wenjie Wang","doi":"10.1007/s11104-024-06948-5","DOIUrl":"https://doi.org/10.1007/s11104-024-06948-5","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Aims</h3><p>Mulching practices significantly impact nearly all nutrient transformation processes driven by soil microbes. However, the impacts on soil bacterial communities and their correlations with soil nutrient content at maturity remain poorly understood. </p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>A mulch experiment was conducted to investigate the relationship between soil bacterial communities at major growth stages and the maturity of soil available nutrients in the top 0–20 cm layer of winter wheat in a semi-arid rainfed agricultural area. The experimental treatments included straw strip mulching (42% coverage, SSM), full plastic film mulching (100% coverage, PFM), and conventional flat planting without mulching (control, 0% coverage, CK). Soil bacterial communities were characterized using 16 S high-throughput sequencing.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The results indicate that mulching reduced the α-diversity index of bacterial communities at the grain-filling stage. Furthermore these practices affected the β-diversity at the three growth stages (<i>P</i>&lt;0.001). SSM increased the tightness and complexity at the bacterial genus level compared to CK. It identified four key genera associated with straw decomposition. Conversely, PFM reduced the complexity and increased the tightness at the genus level. SSM increased nitrate nitrogen (NO3−-N) and available potassium (AK) content at maturity compared to CK (<i>P</i> &lt; 0.05). This increase was associated with an increase of <i>Chloroflexi</i> and decrease of <i>Bacteroidota</i> and <i>Verrucomicrobiota</i> in the relative abundance.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>SSM enhances the complexity and tightness of soil bacterial communities and increases soil NO3−-N and AK content at maturity. Conversely, PFM has the opposite effect.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142245278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interactions of nitrogen and phosphorus in plant nutrition - Analysis of a 60-years old field experiment","authors":"Marie Spohn","doi":"10.1007/s11104-024-06920-3","DOIUrl":"https://doi.org/10.1007/s11104-024-06920-3","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>The aims are to determine to which extent different plant species increase nitrogen (N) acquisition in response to phosphorus (P) addition and P acquisition in response to N addition as well as to analyze resulting nutrient limitations.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>The field experiment is replicated at ten sites in Sweden and comprises three fertilization regimes (low, medium, and high) each consisting of a control and a N, P, and NP treatment. Yields as well as N and P contents of the yields of four species (winter wheat, spring barley, oat, and sugar beet) were analyzed over 60 years.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The relative increase in yield P in response to N fertilization was larger than the relative increase in yield N in response to P fertilization for three species. Synergistic NP co-limitation was observed for all species at some sites. The synergistic growth effect in response to NP addition occurred at more sites at high than at low fertilization. At one nutrient-poor site, all species in all fertilization regimes were (synergistically) NP co-limited. Sugar beet was (synergistically) NP co-limited at all sites in all fertilization regimes.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Species differed in nutrient acquisition, but most species used added N more effectively to acquire P than they used added P to acquire N. Synergistic NP co-limitation was observed for all plant species at some sites, and it increased with fertilization rate, which is likely due to the limits to which plants can use N to acquire P and P to acquire N.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142245277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Early root architectural traits and their relationship with yield in Ipomoea batatas L","authors":"Luis O. Duque, Gabriella Hoffmann, Kenneth V. Pecota, G. Craig Yencho","doi":"10.1007/s11104-024-06949-4","DOIUrl":"https://doi.org/10.1007/s11104-024-06949-4","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Root system architecture in storage root crops are an important component of plant growth and yield performance that has received little attention by researchers because of the inherent difficulties posed by <i>in-situ</i> root observation. Sweetpotato (<i>Ipomoea batatas</i> L.) is an important climate-resilient storage root crop of worldwide importance for both tropical and temperate regions and identifying cultivars with advantageous root phenotypes and improved root architecture to facilitate breeding for improved storage root yield and quality characteristics in both high and low input scenarios would be beneficial. We evaluated 38 diverse sweetpotato cultivars for early root architectural traits and correlated a subset of these with storage root yield.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Early root architectural traits were scanned and digitized using the RhizoVision Explorer software system. Furthermore, average total and marketable yield and number of storage roots was assessed on a subset of eight cultivars in the field.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Significant genotypic variation was detected for all early root traits including root mass, total root length, root volume, root area and root length by diameter classes. Based on the values of total root length, we separated the 38 cultivars into three root sizes (small, medium, and large). Principal component analysis identified four clusters, primarily defined by shoot mass, root volume, root area, root mass, total root length and root length by diameter class. Several early root traits were positively correlated with total yield, marketable yield, and number of storage roots.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>These results suggest that early phenotyped root traits, particularly total root length and root mass could improve yield potential and should be incorporated into sweetpotato ideotypes. To help increase sweetpotato performance in challenging environments, breeding efforts may benefit through the incorporation of early root phenotyping using the idea of integrated root phenotypes.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142245276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Soil water regulates plant diversity response to gradual and step nitrogen addition","authors":"Jiu-Ying Pei, Yang Zheng, Yan Yu, Josep Peñuelas, Jordi Sardans, Man-Qiong Liu, Chao Fang, Wen-Bin Ke, Jian-Sheng Ye","doi":"10.1007/s11104-024-06938-7","DOIUrl":"https://doi.org/10.1007/s11104-024-06938-7","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Nitrogen enrichment often increases plant aboveground biomass but reduces biodiversity. The mechanisms through which increased nitrogen can lead to the loss of plant species are still highly controversial. Furthermore, atmospheric nitrogen increases gradually over years, while our current understanding of the effects of nitrogen deposition largely relies on step nitrogen addition experiments.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>In this study, we conducted a step versus gradual nitrogen addition field experiment in a semiarid grassland during 3-years, focusing on the potential mechanisms underlying species loss.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Our findings revealed that both gradual and step nitrogen addition significantly increased plant aboveground biomass by 150% and 221%, respectively. However, step nitrogen addition resulted in a significant reduction in plant species richness by 18%, while gradual nitrogen addition did not significantly alter species richness. Our structure equation model indicated that reduction in soil water crucially regulated the extent of species loss under step versus gradual nitrogen additions. The regulation of soil water on plant diversity was further supported by our meta-analysis of water and nitrogen addition experiments conducted across arid and semiarid grasslands worldwide.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Collectively, soil water content is the dominant regulator of plant species loss after nitrogen enrichment in water-limiting grasslands. Our findings suggested that 3-years total nitrogen amount rather than the nitrogen input in the final year of experiment determined decline of plant diveristy, i.e., nitrogen addition had a legacy effect on grassland community.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142236336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adaptation of Polygonatum genotypes to the areas of transplantation greatly influences the rhizospheric microbial community","authors":"Jiabin Shi, Piao Chen, Minming Zhu, Huihui Chen, Jinping Si, Lingshang Wu","doi":"10.1007/s11104-024-06913-2","DOIUrl":"https://doi.org/10.1007/s11104-024-06913-2","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and Aims</h3><p><i>Polygonatum</i>, a classic source of food and traditional medicine, possess great potential and applicability in combating chronic and hidden hunger. To study the relationship between the selected <i>Polygonatum</i> -associated microbiome and the fitness of the host plants.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>The microbial communities were investigated using a high-throughput sequencing method. Their association with the soil chemical properties and <i>Polygonatum</i> adaptation ability were elucidated.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p><i>P. kingianum</i> var. <i>grandifolium</i> (PG) was more adaptive than <i>P. kingianum</i> (PK) or <i>P. sibiricum</i> (PS) due to the highest rhizome fresh weight (RFW) and polysaccharide content (PSC) (<i>P</i> &lt; 0.05). RFW and PSC reached the highest when the pH was 7.48 – 7.95 and showed a significant reduction with the soil acidification. The diversity, community structure, and composition of the rhizospheric microbiota were more significantly affected by <i>Polygonatum</i> than those of the endosphere. The microbial diversity and richness in the rhizosphere soils of PG were higher. Specific microorganisms were related to both the yield and quality of <i>Polygonatum</i> and the soil chemical properties; the highest for PG was associated with the beneficial microorganisms such as, <i>Allorhizobium-Neorhizobium-Pararhizobium-Rhizobium</i> and <i>Talaromyces</i> in the rhizospheric soil while the low yield and poor quality of PK and PS were linked with the pathogenic microorganisms such as <i>Pseudomonas</i>, <i>Fusarium</i>, <i>Neocosmospora,</i> and <i>Tausonia</i>.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>The adaptability of the <i>Polygonatum</i> genotypes was closely related to the soil pH, which may connect with the growth of either beneficial or pathogenic microorganisms in the rhizosphere, thereby affecting the growth and quality of <i>Polygonatum</i>.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>\u0000","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142236334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Slope position affects nonstructural carbohydrate allocation strategies in different types of biological soil crusts in the Gurbantunggut Desert","authors":"Shujun Zhang, Ao Yang, Yongxin Zang, Kunze Guo, Xiaobing Zhou, Xiaoying Rong, Benfeng Yin, Yuanming Zhang","doi":"10.1007/s11104-024-06951-w","DOIUrl":"https://doi.org/10.1007/s11104-024-06951-w","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Biological soil crusts (biocrusts) play a vital role in desert ecosystems. The sand-dune slope position crucially affects biocrust growth and development. This paper investigates the effect of slope position on nonstructural carbohydrates (NSCs) in biocrusts in the Gurbantunggut Desert.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Samples were collected from the eastern and western slopes and the bottom of the slope. Biocrust coverage, soil physicochemical properties, and NSCs were assessed.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The NSCs were more affected by the slope position in the lichen crusts than the algae crusts. The contents of NSCs and their components in the lichen crust were the highest at the bottom of the slope, while those of the algae crust were the highest at the eastern slope. In the algae crusts, soluble sugar, starch, and NSCs were positively correlated with the electrical conductivity, soil organic carbon, and ammonium nitrogen. In the lichen crusts, they were significantly positively correlated with the soil water content, electrical conductivity, total nitrogen, total phosphorus, and ammonium nitrogen. The structural equation model revealed that the most important factors affecting the NSCs were the changes in the soil nutrients caused for the algae crusts and the soil moisture and temperature for the lichen crusts.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>The slope position indirectly influenced the NSC variations in the biocrusts through the soil physicochemical properties, but the key factors affecting the NSC in the different types of biocrusts were different. In conclusion, biocrusts adapt to environmental discrepancies arising from slope position by modulating the NSC content and distribution pattern.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142235095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Complementarity for nitrogen use in maize/faba bean intercropping with inoculation","authors":"Xiao-Fei Li, Ping Wang, Xiu-Li Tian, Nan Dong, Long Li","doi":"10.1007/s11104-024-06950-x","DOIUrl":"https://doi.org/10.1007/s11104-024-06950-x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Intercropping with legumes is beneficial for crop nitrogen (N) uptake, but the mechanism behind efficient N uptake in intercropping is not well understood. Therefore, this study aimed to measure the effect of crop diversity on N uptake in intercrop and to assess the mechanisms contributing to diversity effects.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>The N uptake on equivalent area basis was determined during 2012 to 2014 using a long-term experiment established in 2009 including faba bean/maize intercropping and corresponding monocultures. Complementarity effects (CE) and selection effects (SE) were calculated to assess N complementarity/facilitation and dominant species effects.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Faba bean/maize intercropping had 17.6% greater system N uptake than weighted means of two monocultures. The fertilizer-N rate required to achieve the maximum total N uptake was 300 kg N ha^–1 without inoculation and was 225 kg N ha^–1 with inoculation. Similar results were observed for biological N fixation of faba bean. Enhanced N uptake from intercropping compared with monoculture was strongly and positively correlated with the CE, but not correlated with the SE. In addition, N fixation accounted for approximately 20% of the positive CE in faba bean/maize intercropping.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>N complementarity and/or facilitation drove the increased N uptake in faba bean/maize intercropping. The results highlight the role of applying microbial inoculants to increase crop N uptake while reducing reliance on fertilizer N especially in newly reclaimed desert soils, and may also be useful for guiding the design of intercropping systems with complementary traits for efficient N use.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142235094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mosaic of biological soil crusts and vascular plants contributes to the spatial heterogeneity of key soil properties at different successional stages of restored inland sand dunes","authors":"Karolina Chowaniec, Szymon Zubek, Joanna Zalewska-Gałosz, Małgorzata Stanek, Kaja Skubała","doi":"10.1007/s11104-024-06941-y","DOIUrl":"https://doi.org/10.1007/s11104-024-06941-y","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Inland sand dunes constitute Natura 2000 habitat that has become a priority to ensure biodiversity protection and habitat heterogeneity at the landscape scale; however, without proper management, spontaneous succession leads to overgrowing of trees and thus to habitat degradation. Understanding succession processes, relationships between biotic and abiotic components, and their changes over time after restoration, is the key to proper planning of future restoration activities. The aim was to determine the changes of biological soil crust (BSC), vascular plants and physicochemical parameters of BSC, below-crust, rhizosphere, and bare substrate types at different stages of succession in inland dunes of the Błędowska Desert (Poland). We also analyzed the interplay between these factors to further understand the mechanism of BSC development and recognize driving factors causing changes in the soil environment.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Our results showed that BSCs contributed to increased organic C, total N, nutrients in soil, and acidification with the succession. The content of inorganic N forms was significantly higher in bare soil compared to below-crust soil. Rhizosphere soil was enriched in organic matter and nutrients, which improves soil conditions within plant patches. Moreover, below-crust soil pH, total N content and water holding capacity drive the patterns of BSC morphological groups and species composition of lichens, bryophytes, and vascular plants.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Our study shows that spatial structure of the inland dune ecosystem is a mosaic of BSCs and plants that contribute to the spatial heterogeneity of key soil properties. We concluded that it is necessary to consider the matter of BSC in restoration treatments.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142235092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Aboveground plant biomass drove the reclamation-year dependence of soil quality along a 49-year vegetation reclamation chronosequence","authors":"Zhijie Long, He Zhu, Yanhong Wu, Zhongjian Ma, Daming Yu, Haijian Bing","doi":"10.1007/s11104-024-06946-7","DOIUrl":"https://doi.org/10.1007/s11104-024-06946-7","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Soil quality is critical to maintaining the sustainability of vegetation reclamation. However, its variation and crucial driving factors along long-term reclamation chronosequences in metallic mine wastelands require further exploration.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>This study determined the variation in soil quality and its dominant drivers across a 49-year vegetation reclamation chronosequence in a vanadium titanomagnetite tailings reservoir using the minimum data set-soil quality index (MDS-SQI) method by analysing multiple soil physical, chemical, and biological properties and plant biomass.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The results revealed that phosphatase (AP), soil organic carbon (SOC), heavy metal pollution (<i>PLI</i>), clay, and total phosphorous were retained as indicators of the MDS. The SQI values increased significantly during the first 13 years after reclamation (<i>p</i> &lt; 0.01), owing to the elevated AP activities and SOC contents. They then maintained a stable and high level within the following reclamation age, which was attributable to the sluggishly increased AP activities and SOC contents and constantly increased <i>PLI</i> values. The aboveground plant biomass primarily drove the reclamation-age dependence of the SQI by impacting soil (microbial) nutrient turnover.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Our study highlights the necessity of incorporating changes in soil heavy metal pollution into post-reclamation soil quality monitoring in metallic mine wastelands. Moreover, the results imply that aboveground plant biomass can indicate the response of soil quality to long-term vegetation reclamation at sites with a single vegetation composition.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142234458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Forest age and precipitation magnitude affected the contribution rate of rainfall to soil water","authors":"Ranran Ren, Beibei Zhang, Qing Xu, Deqiang Gao, Wenbin Xu, Ke Diao","doi":"10.1007/s11104-024-06915-0","DOIUrl":"https://doi.org/10.1007/s11104-024-06915-0","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background</h3><p>Soil water dynamics and its response to precipitation are affected by soil properties and vegetation characteristics. Changes in forest age will significantly affect soil properties and vegetation characteristics. Therefore, exploring the contribution of rainfall to soil water (CRSW) in forests with different ages is helpful to understand the recharge mechanism of precipitation to soil water in forests with different ages.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We calculated the CRSW by using stable hydrogen isotope combined with binary linear mixed model. Furthermore, we used structural equation modeling (SEM) to quantify the relative importance of vegetation factors (leaf area index, litter and fine root biomass) and soil properties (bulk density, porosity and field capacity, pre-rain soil water content) to CRSW.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Following small rainfall events (7.4 mm, 19.6 mm), there was no difference in CRSW among forests with different ages, while the CRSW of rainfall events above 20 mm (23.3 mm, 30.1 mm, 47.3 mm) was significantly different among them. When heavy rainfall events (30.1 and 47.3 mm) occurred, the CRSW of the old-growth forest (&gt; 150 years) was the largest. SEM analysis showed that plant factors significantly affected CRSW after 23.3 mm and 30.1 mm rainfall events. After the 47.3 mm rainfall event, soil properties were the most important factors affecting CRSW.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Under the background of frequent extreme precipitation events, old-growth forests (&gt; 150 years) exhibit stronger storage capacity for large-scale rainfall events. Therefore, the effects of forest age on soil water interception and storage should be fully considered in the forest management and protection.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":null,"pages":null},"PeriodicalIF":4.9,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142235065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}