Biochar-driven modulation of PGPR communities and their impact on tomato crop productivity for a sustainable agronomic development - Acta Universitatis Sapientiae

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Volume 17, 2025
Biochar-driven modulation of PGPR communities and their impact on tomato crop productivity for a sustainable agronomic development
Anita Margret AROCKIYA, Pradeep Kumar GOVINDHARAJ, Subalakshmi SUBRAMANIAN, Sharmila RAMANATHAN

Acta Universitatis Sapientiae, Agriculture and Environment, 17 (2025) 38–49

DOI: 10.47745/ausae-2025-0004

Abstract: Biochar is a charcoal-like organic product formed by pyrolysis, which acts as a soil amendment that boosts fertility and supports PGPR colonization. This study involves the production of garden-waste-derived biochar that enhances soil fertility and supports PGPR in tomato rhizospheres. Preliminary biochemical assays were performed to identify the strains and were authenticated with 16S rRNA sequencing studies. Two key strains, Burkholderia cepacia and Bacillus tropicus, were found in both treated and untreated soils. The physiological growth parameters of plant trials validate the fertility of enriched biochar and establish it as a potential bio-fertilizer source to improve crop health.

Keywords: bio-fertilizer, garden waste, pyrolysis, soil fertility, Burkholderia cepacian, Bacillus tropicus

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Volume 17, 2025
Climatic conditions and morphology – Correlation in urban squares, Anna Andrea SZÖVÉNYI, Anna ADORJÁN, Szabolcs BÉRCZI, Levente SZCZUKA Size condition of shrub species in a Hungarian oak forest in 2022, Tamás MISIK, Imre KÁRÁSZ Cultural ecosystem services and the role of city-level public parks in the urban structure – A comparative study of four Hungarian examples, Andrea Orsolya WALLNER, Eszter Karlócainé BAKAY Biochar-driven modulation of PGPR communities and their impact on tomato crop productivity for a sustainable agronomic development, Anita Margret AROCKIYA, Pradeep Kumar GOVINDHARAJ, Subalakshmi SUBRAMANIAN, Sharmila RAMANATHAN Dynamics of horticulture distribution in the mountainous landscapes of Samtskhe-Javakheti, according to census documents of the 16th–20th centuries, Roman MAISURADZE, Tamar KHARDZIANI, Gia CHILINGARASHVILI Chlorophyll concentration analysis of woody plants in the Buda Arboretum, Petra Emese DRAGÁN, Barnabás TÓTH, Judit DOMATARCSÁNYI, Krisztina SZABÓ Study of planting density and canopy cover in open spaces in Budapest. Case studies part 3 – Blaha Lujza Square, Barnabás TÓTH, Judit DOMA-TARCSÁNYI, Petra Emese DRAGÁN, Krisztina SZABÓ Allelopathy between aromatic plant species during early developmental stages, László FODORPATAKI, Petra KULCSÁR Effectively mitigating the impact of Meloidogyne incognita on common beans through the strategic use of soil amendments, Elias Mjaika NDIFON, Joshua EKPENYONG Evaluation of the Thevetia peruviana extract and the predatory Orius albidipennis for the control of Thrips tabaci (Thysanoptera: Thripidae) on strawberry in Egypt, Mohamed Ismail HASSAN Economic rationality and the future of rural biomass: Evidence from Romania’s energy transition, Tihamér Tibor SEBESTYÉN, Alpár JAKAB Inside covers, Front pages,
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