Table 3 Soil characterization in the 0–15 cm soil depth before the start of the experiment (2020), the methods and references used for each soil parameter analysed.
S.No | Soil property | Soil test value | Method | Reference | |
|---|---|---|---|---|---|
1 | Taxonomic categorization | Inceptisol | - | Soil Survey Staff18 | |
2 | Mechanical separates | ||||
Sand (%) | 66.00 | Hydrometer method | Bouyoucos19 | ||
SD | 0.30 | ||||
SE (m)± | 0.05 | ||||
CD(P = 0.05) | NS | ||||
Silt (%) | 12.60 | ||||
SD | 0.06 | ||||
SE (m)± | 0.01 | ||||
CD(P = 0.05) | NS | ||||
Clay (%) | 21.40 | ||||
SD | 0.42 | ||||
SE (m)± | 0.07 | ||||
CD (P = 0.05) | NS | ||||
Textural class | Sandy clay loam | ||||
3 | Slightly alkaline in soil reaction ( pH) | 7.82 | Soil: water suspension (1: 2.5) | Jackson20 | |
SD | 0.30 | ||||
SE (m)± | 0.05 | ||||
CD (P = 0.05) | NS | ||||
4 | Non- saline in electrical conductivity (dS m-₁) | 0.33 | |||
SD | 0.06 | ||||
SE (m)± | 0.01 | ||||
CD (P = 0.05) | NS | ||||
5 | Bulk density (Mg m− 3) | 1.23 | Core sampler | Blake and Hartge21 | |
SD | 0.24 | ||||
SE (m)± | 0.04 | ||||
CD (P = 0.05) | NS | ||||
6 | Medium in soil organic carbon (g kg− 1) | 6.50 | Wet oxidation | Walkley and Black22 | |
SD | 1.32 | ||||
SE (m)± | 0.22 | ||||
CD (P = 0.05) | NS | ||||
7 | Low in available soil nitrogen (kg ha-₁) | 220.90 | Alkaline KMnO4 | Subbiah and Asija23 | |
SD | 6.66 | ||||
SE (m)± | 1.11 | ||||
CD (P = 0.05) | NS | ||||
8 | Medium in available soil phosphorus (g kg-₁) | 22.40 | Olsen | Olsen et al.24. | |
SD | 2.40 | ||||
SE (m)± | 0.40 | ||||
CD (P = 0.05) | NS | ||||
9 | High in available soil potassium (kg ha-₁) | 408.75 | 1 N Neutral ammonium acetate | Jackson20 | |
SD | 3.60 | ||||
SE (m)± | 0.60 | ||||
CD (P = 0.05) | NS | ||||
