Dynamics of Major Plant Nutrients and Enzymatic Activities in Soil Influenced by Application of Biochar and Organic Waste

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2024 Oct 30

PMID 39475937

Authors

M L Dotaniya

M D Meena

R L Choudhary

M K Meena

V D Meena

Harvir Singh

Brij Lal Lakaria

R S Jat

P K Rai

Kuldeep Kumar

R K Doutaniya

Harpreet Singh

Affiliations

Soon will be listed here.

Abstract

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.

Citing Articles

Determining application rates of FYM and pressmud to improve soil health properties in salt degraded soils.

Dotaniya M, Meena M, Choudhary R, Meena M, Meena V, Singh H PLoS One. 2025; 20(1):e0317463.

PMID: 39888961 PMC: 11785300. DOI: 10.1371/journal.pone.0317463.

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