Table 5 The chemical properties of lemon peel compost at different sampling stage.
pH | OM3 (%) | HA4 (%) | C/N | C (%) | N (%) | P (%) | K (%) | Ca (%) | Mg (%) | Mn (mg/kg) | Fe (mg/kg) | Cu (mg/kg) | Zn (mg/kg) | Na (mg/kg) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
W02 | 6.4 ± 0.3a1 | 90.2 ± 7.1a | 1.3 ± 0.40b | 27.4 ± .1.8a | 71.7 ± 3.3a | 2.62 ± 0.6a | 0.23 ± 0.09a | 1.98 ± 0.58a | 16,029 ± 1011c | 1022 ± 423c | 9 ± 3.3c | 177 ± 28c | 5 ± 1.5b | 11 ± 2.9d | 380 ± 49b |
W2 | 6.4 ± 0.2a | 86.1 ± 5.3a | 1.9 ± 0.8b | 25.9 ± 1.1a | 70.7 ± 2.8a | 2.73 ± 0.5a | 0.21 ± 0.98a | 2.61 ± 0.43a | 14,115 ± 1988c | 2674 ± 233b | 13 ± 2.7c | 238 ± 44b | 11 ± 3.4a | 26 ± 3.4c | 360 ± 43b |
W4 | 6.3 ± 0.1a | 76.5 ± 7.3ab | 2.3 ± 1.0ab | 27.1 ± 1.0a | 62.6 ± 3.1b | 2.29 ± 0.7a | 0.32 ± 0.09a | 2.07 ± 0.50a | 18,657 ± 2315c | 2288 ± 356b | 22 ± 3.8b | 301 ± 56b | 12 ± 2.8a | 35 ± 4.2b | 301 ± 37b |
W6 | 6.5 ± 0.2a | 66.2 ± 3.8b | 3.1 ± 1.1b | 21.8 ± 1.4b | 63.2 ± 2.8b | 2.90 ± 0.6a | 0.33 ± 0.10a | 2.33 ± 0.47a | 25,027 ± 3023b | 4524 ± 610a | 31 ± 7.1b | 412 ± 71b | 11 ± 3.1a | 36 ± 5.1b | 316 ± 42b |
W8 | 6.7 ± 0.2a | 58.9 ± 4.6b | 4.9 ± 0.5a | 19.8 ± 1.4b | 58.1 ± 3.3b | 2.94 ± 0.4a | 0.32 ± 0.08a | 2.33 ± 0.42a | 51,256 ± 4610a | 5746 ± 689a | 63 ± 6.5a | 988 ± 55a | 16 ± 3.8a | 63 ± 3.8a | 534 ± 39a |