Dynamics of major plant nutrients and enzymatic activities in soil influenced by application of biochar and organic waste.

Autor: Dotaniya ML; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Meena MD; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Choudhary RL; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Meena MK; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Meena VD; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Singh H; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Lakaria BL; ICAR- Indian Institute of Soil and Water Conservation, Research Centre, Chandigarh, India., Jat RS; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Rai PK; ICAR-Directorate of Rapeseed- Mustard Research, Bharatpur, India., Kumar K; ICAR- Indian Institute of Soil and Water Conservation, Research Centre, Kota, India., Doutaniya RK; Department of Agronomy, SKN College of Agriculture, Jobner, India., Singh H; Regional Research Station, PAU, Gurdaspur, India.
Jazyk: angličtina
Zdroj: PloS one [PLoS One] 2024 Oct 30; Vol. 19 (10), pp. e0307487. Date of Electronic Publication: 2024 Oct 30 (Print Publication: 2024).
DOI: 10.1371/journal.pone.0307487
Abstrakt: The concentration of salt ions influences the availability and plant nutrients dynamics in the soil. Proper management of these ions can enhance food grain production, helping to feed the growing population. In this experiment, nine fertility combinations were followed to enhance the soil organic carbon and reduce the salt toxicity and monitor the plant nutrient availability. An incubation experiment was conducted for the period of one year with different organic soil amendments in combinations including biochar (BC), pressmud (PM), and farm yard manure (FYM) as follow: T1-control, T2-RDF, T3-FYM (10 t/ha), T4-PM (10 t/ha), T5-BC (10 t/ha), T6-FYM (5 t/ha) + PM (5 t/ha), T7-FYM (5 t/ha) + BC (5 t/ha), T8-PM (5 t/ha) + BC (5 t/ha), T9-FYM (5 t/ha) + BC (2.5 t/ha) + PM (2.5 t/ha). Results showed that addition of organic substance (10 t/ha) significantly (p < 0.05) affected soil pH and electric conductivity. Plant nutrient availability (N, K, and S) was also influenced by application of organic substance (10 t/ha). Organic C and available N were recorded the highest in the treatment T7 (FYM-5 t/ha + BC -5 t/ha); whereas, the highest available K and S were observed in treatment T5 (BC-10 t/ha). The microbial soil fertility indicators (alkaline phosphatases, arylsulphatase, dehydrogenase activity and microbial biomass carbon) were measured the highest in FYM (5 t/ha) + BC (5 t/ha) applied treatment. In conclusion, application of organic substance 10 t/ha (biochar alone or with FYM) improved the plant nutrient availability and soil microbial activities in saline soil. It could be a suitable option for enhancing the soil fertility in saline soils.
Competing Interests: The authors have declared that no competing interests exist.
(Copyright: © 2024 Dotaniya et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
Databáze: MEDLINE
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