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. 2024 Jan 20;10(3):e24874. doi: 10.1016/j.heliyon.2024.e24874

Tables 1.

Physicochemical characteristic of farmyard manure (FYM), enriched compost (ENC) and biochar fortified mineral (BFM).

Properties FYM ENC BFM
pH 6.51 ± 0.09a 7.40 ± 0.11 6.82 ± 0.07
Cation Exchange capacity (cmol (p+) kg−1) 43.2 ± 1.2 47.9 ± 2.2 63.8 ± 2.3
Total C (g kg−1) 316.2 ± 3.1 246.7 ± 3.4 89.0 ± 7.9
Total nitrogen (mg kg−1) 5143 ± 73 13127 ± 486 4557 ± 694
Phosphorus Total P (mg kg−1) 2312 ± 43 24128 ± 907 13709 ± 721
Olsen P (mg kg−1) 609 ± 8.4 911 ± 11.7
Water soluble P (mg kg−1) 89.7 ± 2.1 206.8 ± 2.8 187.5 ± 2.6
Potassium Total K (mg kg−1) 4719 ± 109 19223 ± 878 27243 ± 628
Exchangeable K (mg kg−1) 9329 ± 351 12706 ± 447
Water soluble K (mg kg−1) 91.3 ± 1.7 209.3 ± 2.7 141.7 ± 2.1
a

Mean ± standard error (n = 3).