Table 3 Description of treatments under study.
Treatment code | Applied amendment | Applied dose | B. subtilis inoculation | Detailed description |
|---|---|---|---|---|
CT-WOB | Without amendment (control) | – | No | Acidic soil without amendment or inoculation |
CT-WB | Without amendment (control) | – | Yes | Acidic soil inoculated with B. subtilis without amendments |
B-WOB | Biochar (rice husk) | 25.00 t·ha−1 | No | Biochar incorporated 30 days before sowing |
B-WB | Biochar (rice husk) | 25.00 t·ha−1 | Yes | Biochar incorporated 30 days before sowing + inoculation with B. subtilis at V6 and V9 stages |
CO-WOB | Calcium oxide (Agrocal Mix) | 0.81 t·ha−1 | No | Incorporated into the soil (0–20 cm) 30 days before sowing |
CO-WB | Calcium oxide (Agrocal Mix) | 0.81 t·ha−1 | Yes | Calcium oxide + B. subtilis |
CC-WOB | Calcium carbonate (Magnecal) | 1.45 t·ha−1 | No | Amendment with 77% CaCO₃ and 19% MgCO₃ |
CC-WB | Calcium oxide (Magnecal) | 1.45 t·ha−1 | Yes | Calcium carbonate + B. subtilis |
D-WOB | Dolomite | 1.07 t·ha−1 | No | Amendment with 29% CaO and 18% MgO |
D-WB | Dolomite | 1.07 t·ha−1 | Yes | Dolomite + B. subtilis |
