Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil
IntroductionResponse to fertilization with biochar in contaminated soils for forage crops lacks comprehensive understanding. This study delves into the role of biochar in enhancing soil pH and phosphorus (P) and potassium (K) availability for ryegrass (Lolium perenne) in clay and silt loam metal-con...
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Frontiers Media S.A.
2025-01-01
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| Series: | Frontiers in Plant Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2024.1475939/full |
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| author | Joao Arthur Antonangelo Joao Luis Bigatao Souza Hailin Zhang |
| author_facet | Joao Arthur Antonangelo Joao Luis Bigatao Souza Hailin Zhang |
| author_sort | Joao Arthur Antonangelo |
| collection | DOAJ |
| description | IntroductionResponse to fertilization with biochar in contaminated soils for forage crops lacks comprehensive understanding. This study delves into the role of biochar in enhancing soil pH and phosphorus (P) and potassium (K) availability for ryegrass (Lolium perenne) in clay and silt loam metal-contaminated soils.MethodsTwo pot experiments were conducted using switchgrass-derived biochar (SGB) and poultry litter-derived biochar (PLB) with varying biochar application rates: one without plants and the other with ryegrass.ResultsResults demonstrated a significant rise in soil pH with increasing biochar rates, particularly notable for the PLB experiment with plants, attributed to PLB’s superior buffer capacity. PLB significantly improved ryegrass productivity, evident in germination percentage, plant population, and biomass, especially at a 0.5-1% biochar application rate. However, excessive biochar application (2-4%) hindered plant growth.DiscussionPLB at 1% application sufficed to barely surpass critical P and K thresholds for optimal ryegrass production, whereas SGB fell short of meeting these thresholds, highlighting the importance of biochar feedstock selection. While biochar shows promise for metal remediation and nutrient enhancement, caution is advised against excessive application, considering potential nutrient contamination risks based on feedstock variations. |
| format | Article |
| id | doaj-art-0f9304bcb7f14f14bcc6b99cb0db461c |
| institution | Kabale University |
| issn | 1664-462X |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj-art-0f9304bcb7f14f14bcc6b99cb0db461c2025-01-09T06:10:15ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2025-01-011510.3389/fpls.2024.14759391475939Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soilJoao Arthur Antonangelo0Joao Luis Bigatao Souza1Hailin Zhang2Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United StatesDepartment of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT, United StatesDepartment of Plant and Soil Sciences, Oklahoma State University, Oklahoma, OK, United StatesIntroductionResponse to fertilization with biochar in contaminated soils for forage crops lacks comprehensive understanding. This study delves into the role of biochar in enhancing soil pH and phosphorus (P) and potassium (K) availability for ryegrass (Lolium perenne) in clay and silt loam metal-contaminated soils.MethodsTwo pot experiments were conducted using switchgrass-derived biochar (SGB) and poultry litter-derived biochar (PLB) with varying biochar application rates: one without plants and the other with ryegrass.ResultsResults demonstrated a significant rise in soil pH with increasing biochar rates, particularly notable for the PLB experiment with plants, attributed to PLB’s superior buffer capacity. PLB significantly improved ryegrass productivity, evident in germination percentage, plant population, and biomass, especially at a 0.5-1% biochar application rate. However, excessive biochar application (2-4%) hindered plant growth.DiscussionPLB at 1% application sufficed to barely surpass critical P and K thresholds for optimal ryegrass production, whereas SGB fell short of meeting these thresholds, highlighting the importance of biochar feedstock selection. While biochar shows promise for metal remediation and nutrient enhancement, caution is advised against excessive application, considering potential nutrient contamination risks based on feedstock variations.https://www.frontiersin.org/articles/10.3389/fpls.2024.1475939/fulllime effectbiochar applicationfertilizer amendmentphosphorus and potassiumryegrass production |
| spellingShingle | Joao Arthur Antonangelo Joao Luis Bigatao Souza Hailin Zhang Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil Frontiers in Plant Science lime effect biochar application fertilizer amendment phosphorus and potassium ryegrass production |
| title | Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil |
| title_full | Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil |
| title_fullStr | Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil |
| title_full_unstemmed | Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil |
| title_short | Fertilizer potential of biochar and ryegrass productivity in metal-contaminated soil |
| title_sort | fertilizer potential of biochar and ryegrass productivity in metal contaminated soil |
| topic | lime effect biochar application fertilizer amendment phosphorus and potassium ryegrass production |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2024.1475939/full |
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