Journal of Plant Nutrition and Soil Science最新文献

{"title":"Iron (Fe) Biofortification Using Fe-Aminochelates in Sunflower Growing in Calcareous Soils","authors":"Mina Alipour Babadi,&nbsp;Mojtaba Norouzi Masir,&nbsp;Abdol Amir Moezzi,&nbsp;Afrasyab Rahnama,&nbsp;Mehdi Taghavi","doi":"10.1002/jpln.12004","DOIUrl":"https://doi.org/10.1002/jpln.12004","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Efficient agronomic approaches should be developed to alleviate iron (Fe) deficiency in lime-rich soils.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aims</h3>\u0000 \u0000 <p>The present study aimed to investigate the efficiency of eco-friendly synthesized Fe-aminochelates in remediating Fe deficiency and improving the yield and nutritional quality of sunflower (<i>Helianthus annuus</i> L.), compared to FeSO₄ in calcareous soil.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Fe (glycine)₂ [Fe (Gly)₂] and Fe (methionine)₂ [Fe (Met)₂] aminochelates were synthesized and characterized via a CHN analyzer, H¹ NMR and FT-IR spectroscopy. In a field experiment, Fe-aminochelates and FeSO₄ were applied using three methods (priming, fertigation, and foliar spray) at various plant growth stages.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The application of [Fe (Gly)₂] and [Fe (Met)₂] through different methods significantly improved the biomass yield, nutritional quality, and yield attributes, compared with those of FeSO₄. Compared with the control, foliar application of [Fe (Met)₂] increased seed yield (73.9%), oil yield (125.8%), and seed protein content (60%). In addition, antioxidant enzyme activities, total soluble protein (TSP), and seed nutrients such as Fe, N, and S concentrations, as well as the Fe concentration in leaves, also increased in response to [Fe (Gly)₂] and [Fe (Met)₂] application, whereas the N/S ratio decreased with increasing seed oil content.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>These results suggest that the application of Fe-aminochelates may be a promising way to promote Fe biofortification and overcome Fe deficiency under calcareous conditions.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 3","pages":"519-535"},"PeriodicalIF":2.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of Integrated Soil Fertility Management on Soil Properties and Phosphorus Sorption Characteristics at Three Soil Types in Southern Ethiopia","authors":"Rameto Wabela,&nbsp;Girma Abera,&nbsp;Bekele Lemma,&nbsp;Amsalu Gobena","doi":"10.1002/jpln.12005","DOIUrl":"https://doi.org/10.1002/jpln.12005","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Low phosphorus availability in Ethiopian soil, mostly due to P sorption, is limiting agricultural crop productivity. Thus, effective phosphorus management is critical to addressing soil nutrient shortages.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>This study evaluated the effect of integrated soil fertility management (ISFM) on soil properties and phosphorus sorption characteristics at three soil types in Southern Ethiopia.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Phosphorus sorption was determined by batch equilibrium methods, using the Langmuir and Freundlich models. Treatments included control, phosphorus fertilizer, biochar, compost, biochar with phosphorus fertilizer, and compost with phosphorus fertilizer.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Results showed that the combined fertilizer application improved soil properties over the phosphorus fertilizer application. The application of biochar with phosphorus fertilizer to soil produced more available phosphorus in the acidic Luvisols, whereas the highest available phosphorus was obtained from the application of compost with phosphorus fertilizer in the Cambisols and Fluvisols, respectively. The phosphorus sorption data best fitted the Freundlich (<i>R</i>² = 0.82–0.98) models with all soil types. The application of ISFM decreased the Freundlich parameter values in all the studied soils compared to the addition of inorganic P. Luvisols require more phosphorus fertilizer to maintain optimal soil phosphorus concentration for crop growth compared to Cambisols and Fluvisols.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The ISFM showed potential to improve soil available phosphorus in the smallholder farming system of Southern Ethiopia. This could be attributed to the release of phosphorus through the mineralization of organic matter and phosphorus desorption from Fe and Al oxides in acidic, and Ca in alkaline soils.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 3","pages":"507-518"},"PeriodicalIF":2.6,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unveiling Genetic Potential for Enhanced Phosphorus Use Efficiency in Elite Lines of Chickpea (Cicer arietinum L.)","authors":"Anupriya Rana,&nbsp;Anju Arora,&nbsp;Poonam Gautam,&nbsp;Amit Kumar,&nbsp;Sanjay Kumar Verma,&nbsp;Ravindra Kumar Panwar","doi":"10.1002/jpln.12003","DOIUrl":"https://doi.org/10.1002/jpln.12003","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Phosphorus (P) is vital for chickpea growth and reproduction, but its low availability, intensified by slow diffusion and high P demand of root nodules, poses challenges.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>To address this, enhancing P-use efficiency (PUE) through breeding is crucial.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Our study evaluated 25 elite lines for 4 root and 7 P-related traits under both applied and control P conditions.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The results revealed significant genetic variations in the traits wherein PG 298 showed comparable root length and diameter under both the conditions indicating its use as donor for efficient acquisition of P reserves in deficient soils. In general, P application enhanced genotypic performance of which PG 328 showed high P content and uptake which may be accredited to its tap root length and root collar diameter thus holding promise for P uptake efficiency. Although PG 266 exhibited high yield, PG 318 demonstrated highest PUE by efficiently converting P uptake into seed yield, attributed to its robust root system. Traits for P content and uptake displayed notable genetic coefficient of variation and heritability, thus promising for selection. Phenotypic and genotypic correlations indicated strong positive associations between P uptake at maturity and yield per plant. Out of 23 traits, total P uptake alone contributed 66% to genetic diversity followed by shoot P uptake, biomass yield, and seed P uptake thus emphasizing their importance in crossing programs.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Hence, this research highlighted the importance of genetic variability parameters for selecting lines with high PUE and understanding genetic architecture for breeding varieties suitable for low P environments.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 3","pages":"495-506"},"PeriodicalIF":2.6,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sorption of Sulfonamide Antibiotics in Peat Soils With Different Properties","authors":"Eric Mirenga,&nbsp;Sören Thiele-Bruhn","doi":"10.1002/jpln.202400516","DOIUrl":"https://doi.org/10.1002/jpln.202400516","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Sulfonamide antibiotics have been discovered as emerging pharmaceutical pollutants worldwide and are only poorly removed in wastewater treatment. At the landscape level, peat soils are significant water collectors and, thus, are sinks for organic pollutants. However, the fate of pharmaceutically active contaminants in peat soil is, as yet, largely unclear.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Factors regulating sorption as a dominant process that influences the filtering and buffering of the sulfonamides sulfadiazine (SDZ) and sulfamethoxazole (SMX) in different peat soils were investigated.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>The sorption of SDZ and SMX was investigated in batch sorption experiments using peat soils with different physicochemical properties and under different land use, including sustainable wet peatland cultivation (paludiculture).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Sorption <i>K</i>_d values ranged from 21.39 to 102.8 mL g⁻¹ for SDZ and 11.23 to 107.3 mL g⁻¹ for SMX. Soil pH, organic carbon content, and C/N ratios were significantly correlated to sorption of the sulfonamides. Non-linear regression analyses showed that the Freundlich isotherm model was generally best suited to describe sorption of both sulfonamides (0.54 ≤ <i>R </i>≤ 0.98). Freundlich <i>n</i> values were generally different from 1 for both sulfonamides, indicating co-mechanistic sorption as opposed to partitioning alone. A quantitative structure–property relationship (QSPR) constructed to predict sorption <i>K</i>_d values showed a good cross-validated performance (<i>R</i>²_adj = 0.79, root mean squared error [RMSE] = 8.71).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The sorptive capacities of peat soils for SDZ and SMX antibiotics are higher than those of many terrestrial soils. The quantity and stoichiometric properties of the organic matter fraction, as well as the pH conditions, significantly affect the ability of the soils to immobilize these antibiotics.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 3","pages":"482-494"},"PeriodicalIF":2.6,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.202400516","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of Elevated Atmospheric CO2 Concentration on Growth, Grain Yield and Grain Macronutrient Concentrations of Wheat Under Different K Supply","authors":"Emmanuel Chakwizira,&nbsp;Mitchell Andrews,&nbsp;Edmar Teixeira,&nbsp;Derrick Moot","doi":"10.1002/jpln.12002","DOIUrl":"https://doi.org/10.1002/jpln.12002","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Atmospheric carbon-dioxide concentration ([CO₂]) is increasing rapidly, but its interactions with potassium (K) fertiliser on wheat growth, grain yield and quality are not well understood.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>We investigated the effects of ambient CO₂ (aCO₂, approx. 415 ppm) and elevated CO₂ (eCO₂, 760 ppm) on these growth parameters under optimum (2.01 mol m⁻³) and growth limiting (50 mmol m⁻³) K supply in controlled environment chambers.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Potassium limitation decreased total biomass at anthesis and maturity by approx. 13% and grain yield by 7.4%. The decreased grain yield was linked to decreased grain number. Grain K, P and S concentrations decreased by 6.5%–20.6%, under K deficiency, whereas Ca concentration increased by 8.0% and N and Mg concentrations were unaffected. These changes were closely correlated with changes in total aboveground nutrient accumulation, which were interpreted as changes in nutrient uptake. However, nutrient harvest index (NuHI) changed little with K supply. Under e[CO₂], plant dry weight at anthesis, root + straw dry weight at maturity and grain yield were respectively 33.1%, 23.9% and 9.7% greater than at a[CO₂]. The increase in yield was linked to an increase in thousand grain weight. Grain macronutrient concentrations (except P) decreased by 6.38%–16.0% with e[CO₂]. Total aboveground macronutrient accumulation and NuHIs were unaffected by CO₂ supply, except for KHI, which decreased with increasing [CO₂].</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>It is concluded that uptake of nutrients and their translocation within the plant were not inhibited by eCO₂, and decreased grain macronutrient concentrations were attributed to nutrient dilution due to increased C fixation relative to nutrient uptake.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 3","pages":"473-481"},"PeriodicalIF":2.6,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.12002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impressum: J. Plant Nutr. Soil Sci. 2/2025","authors":"","doi":"10.1002/jpln.202570023","DOIUrl":"https://doi.org/10.1002/jpln.202570023","url":null,"abstract":"<p>ISSN 1436–8730 (print)</p><p>ISSN 1522–2624 (online)</p><p>© 2025 Wiley-VCH GmbH</p><p>Hermann Jungkunst (Soil Science),</p><p>Karl H. Mühling (Plant Nutrition)</p><p>Wiley-VCH GmbH, Boschstraße 12,</p><p>D-69469 Weinheim, Germany</p><p>E-mail: <span>[email protected]</span></p><p>Tel: +49 (0)6201 6060</p><p>Aptara, India</p><p>Printed in Germany by pva, Druck und Medien-Dienstleistungen GmbH, Landau.</p><p></p><p>Printed on acid-free paper</p><p>Sigrid Mehren</p><p>(E-mail: <span>[email protected]</span>)</p><p>Bettina Loycke</p><p>(E-mail: <span>[email protected]</span>)</p><p>For submission instructions, subscription and all other information visit: www.plant-soil.com</p><p>Journal of Plant Nutrition and Soil Science is published in 6 issues per year. Institutional subscription prices for 2025 are:</p><p>Print &amp; Online: US$ 1944 (US and Rest of World), € 1484 (Europe), £ 996 (UK). Print only: US$ 1806 (US and Rest of World), € 1378 (Europe), £ 926 (UK). Online only: US$ 1731 (US and Rest of World), € 1321 (Europe), £ 887 (UK). Prices are exclusive of tax. Asia-Pacific GST, Canadian GST/HST and European VAT will be applied at the appropriate rates. For more information on current tax rates, please go to https://onlinelibrary.wiley.com/library-info/products/price-lists/payment. The institutional price includes online access to the current and all online backfiles for previous 5 years, where available. For other pricing options, including access information and terms and conditions, please visit https://onlinelibrary.wiley.com/library-info/products/price-lists. Terms of use can be found here: https://onlinelibrary.wiley.com/library-info/products/price-lists/title-by-title-terms-and-conditions.</p><p>Where the subscription price includes print issues and delivery is to the recipient's address, delivery terms are Delivered at Place (DAP); the recipient is responsible for paying any import duty or taxes. Title to all issues transfers Free of Board (FOB) our shipping point, freight prepaid.</p><p><b>Claims for Missing or Damaged Print Issues</b></p><p>Our policy is to replace missing or damaged copies within our reasonable discretion, subject to print issue availability, and subject to the terms: found at Section V, Part C at https://onlinelibrary.wiley.com/library-info/products/price-lists/title-by-title-terms-and-conditions#print-subscriptions</p><p>Journal of Plant Nutrition and Soil Science (ISSN 1436–8730), is published 6 times a year. US mailing agent: SPP, Po Box 437, Emigsville, PA 17318. Periodicals postage paid at Emigsville PA USA.</p><p>Postmaster: Send all address changes to Journal of Plant Nutrition and Soil Science, Wiley Periodicals LLC, C/O The Sheridan Press, PO Box 465, Hanover, PA 17331 USA.</p><p><b>Journal Customer Services</b>: For ordering information, claims and any enquiry concerning your journal subscription please visit our Online Customer Help at https://wolsupport.wiley.com/s/contactsupport or contact your neares","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 2","pages":"170"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.202570023","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143793705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Editorial Board: J. Plant Nutr. Soil Sci. 2/2025","authors":"","doi":"10.1002/jpln.202570022","DOIUrl":"https://doi.org/10.1002/jpln.202570022","url":null,"abstract":"","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 2","pages":"169"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.202570022","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143793653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cover Picture: J. Plant Nutr. Soil Sci. 2/2025","authors":"","doi":"10.1002/jpln.202570021","DOIUrl":"https://doi.org/10.1002/jpln.202570021","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 2","pages":"167"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.202570021","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143793652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Contents: J. Plant Nutr. Soil Sci. 2/2025","authors":"","doi":"10.1002/jpln.202570025","DOIUrl":"https://doi.org/10.1002/jpln.202570025","url":null,"abstract":"","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 2","pages":"368"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.202570025","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143793706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Natural Colloids in Soil: Effect of Storage and Extraction Conditions on Colloid Amount and Composition","authors":"Melanie Braun,&nbsp;Lena Juraschek,&nbsp;Nina Siebers,&nbsp;Jens Kruse","doi":"10.1002/jpln.202400341","DOIUrl":"https://doi.org/10.1002/jpln.202400341","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Natural soil colloids (1–1000 nm) play a crucial role in the mobility and cycling of nutrients. In many studies, colloids are analyzed mainly as so-called water-dispersible colloids (WDCs), with varying storage and extraction steps. However, it is still unknown how these different treatments affect the amount and composition of colloids.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>We hypothesize that (1) in particular the storage conditions of the soil, such as freezing + thawing or lyophilization, influence the amount and properties of WDCs and that (2) these are altered depending on the shaking time used for extraction.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Topsoil samples (0–20 cm) from two different soils (dystric Leptosol and stagnic Luvisol) were extracted after storing in three different ways, including (1) direct extraction from fresh soil, (2) freezing + thawing, and (3) lyophilization. After extraction with different shaking times (1, 2, 6, 12, and 24 h), WDCs (1.2– 450 nm) were analyzed via flow field-flow fractionation coupled to an inductively coupled plasma mass spectrometer and an organic carbon detector.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The results indicate that both freezing + thawing and lyophilization significantly altered the properties (size distribution and chemical composition) of WDCs and decreased the portion of WDC bound elements. This reduction was the greatest for phosphorus (P) (27%–38% and 71%–80%, respectively) and more pronounced for lyophilization. Varying shaking times also affected the prevalence of colloids, but this effect was less pronounced than that of storage conditions, as revealed by cluster analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>This study particularly highlighted that storage as well as extraction conditions affect significantly the extractability of WDCs. This effect can even override differences in the colloidal loading between different reference soil groups. Consistent sample handling is therefore a prerequisite for obtaining comparable results.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16802,"journal":{"name":"Journal of Plant Nutrition and Soil Science","volume":"188 5","pages":"813-821"},"PeriodicalIF":2.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jpln.202400341","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145335523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}