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Biochar influences nitrogen and phosphorus dynamics in two texturally different soils
School of Agriculture, Lovely Professional University, Jalandhar, 144001, Punjab, India.
School of Agriculture, Lovely Professional University, Jalandhar, 144001, Punjab, India.
Department of Agronomy, Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut, 250110, U.P., India.
Electron Microscopy & Nanoscience Laboratory, Department of Soil Science, Punjab Agricultural University, Ludhiana, 141004, Punjab, India.
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2024 (English)In: Scientific Reports, E-ISSN 2045-2322, Vol. 14, article id 6533Article in journal (Refereed) Published
Abstract [en]

Nitrogen (N) and phosphorus (P) are vital for crop growth. However, most agricultural systems have limited inherent ability to supply N and P to crops. Biochars (BCs) are strongly advocated in agrosystems and are known to improve the availability of N and P in crops through different chemical transformations. Herein, a soil-biochar incubation experiment was carried out to investigate the transformations of N and P in two different textured soils, namely clay loam and loamy sand, on mixing with rice straw biochar (RSB) and acacia wood biochar (ACB) at each level (0, 0.5, and 1.0% w/w). Ammonium N (NH4-N) decreased continuously with the increasing incubation period. The ammonium N content disappeared rapidly in both the soils incubated with biochars compared to the unamended soil. RSB increased the nitrate N (NO3–N) content significantly compared to ACB for the entire study period in both texturally divergent soils. The nitrate N content increased with the enhanced biochar addition rate in clay loam soil until 15 days after incubation; however, it was reduced for the biochar addition rate of 1% compared to 0.5% at 30 and 60 days after incubation in loamy sand soil. With ACB, the net increase in nitrate N content with the biochar addition rate of 1% remained higher than the 0.5% rate for 60 days in clay loam and 30 days in loamy sand soil. The phosphorus content remained consistently higher in both the soils amended with two types of biochars till the completion of the experiment.

Place, publisher, year, edition, pages
Springer Nature, 2024. Vol. 14, article id 6533
Keywords [en]
Acacia wood biochar, Incubation, Nitrogen, Phosphorus, Rice straw biochar, Soil, Transformations
National Category
Agricultural Science Environmental Sciences related to Agriculture and Land-use
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-104682DOI: 10.1038/s41598-024-55527-2OAI: oai:DiVA.org:ltu-104682DiVA, id: diva2:1845588
Note

Validerad;2024;Nivå 2;2024-03-19 (joosat);

Funder: Deanship of Scientifc Research, King Saud University through the Vice Deanship of Scientifc Research Chairs, Research Chair of Prince Sultan Bin Abdulaziz International Prize for Water;

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Available from: 2024-03-19 Created: 2024-03-19 Last updated: 2024-03-19Bibliographically approved

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Al-Ansari, Nadhir

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