Table 3 Long-term impact of mode, level of FYM, and fertilizer N application on dissolved organic carbon (DOC: mg kg−1) at different growth stages of wheat.
Wheat growth period | Level of fertilizer N | Mode of FYM application | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rabi | Rabi × fertilizer N | Kharif | Kharif × fertilizer N | Rabi and Kharif: both seasons | Both seasons × fertilizer N | ||||||||||||
Level of FYM (t ha−1) | Level of FYM (t ha−1) | Level of FYM (t ha−1 ) | Fertilizer N | ||||||||||||||
FYM0 | FYM5 | FYM10 | FYM15 | FYM0 | FYM5 | FYM10 | FYM15 | FYM0 | FYM5 | FYM10 | FYM15 | ||||||
Stage-1 | N0 | 32.5 | 67.3 | 72.5 | 81.8 | 63.5 | 32.5 | 73.1 | 80.5 | 94.8 | 70.2 | 32.5 | 91.0 | 111.0 | 127.6 | 90.5 | 74.8 |
N120 | 51.3 | 105.6 | 114.4 | 120.6 | 98.0 | 51.3 | 108.8 | 112.1 | 123.6 | 98.9 | 51.3 | 130.9 | 141.4 | 154.3 | 119.4 | 105.5 | |
Mode × Level of FYM | 41.9 | 86.4 | 93.4 | 101.2 | 80.7 | 41.9 | 90.9 | 96.3 | 109.2 | 84.6 | 41.9 | 110.9 | 126.2 | 140.9 | 105.0 | ||
CD (p = 0.05): Mode = 9.4; Level of fertilizer N = 9.2; Mode × Level of FYM = NS; Mode × Level of fertilizer N = NS;Mode × Level of FYM × Level of fertilizer N = NS | |||||||||||||||||
Stage-2 | N0 | 47.5 | 81.3 | 92.3 | 105.3 | 81.6 | 47.5 | 74.3 | 77.4 | 91.3 | 72.6 | 47.5 | 113.6 | 124.8 | 142.1 | 107.0 | 87.1 |
N120 | 63.8 | 121.4 | 136.9 | 146.6 | 117.2 | 63.7 | 113.5 | 123.8 | 132.3 | 108.3 | 63.8 | 158.9 | 182.1 | 196.5 | 150.3 | 125.3 | |
Mode × Level of FYM | 55.6 | 101.3 | 114.6 | 125.9 | 99.4 | 55.6 | 93.9 | 100.6 | 111.8 | 90.5 | 55.6 | 136.2 | 153.4 | 169.3 | 128.7 | ||
CD (p = 0.05): Mode = 8.1; Level of fertilizer N = 7.9; Mode × Level of FYM = 16.1; Mode × Level of fertilizer N = NS; Mode × Level of FYM × Level of fertilizer N = NS | |||||||||||||||||
Stage-3 | N0 | 81.5 | 146.6 | 160.3 | 208.6 | 149.2 | 81.5 | 130.1 | 138.0 | 153.3 | 125.7 | 81.5 | 212.6 | 201.4 | 225.3 | 180.2 | 151.7 |
N120 | 97.8 | 186.2 | 219.9 | 235.4 | 184.8 | 97.8 | 162.5 | 187.1 | 194.3 | 160.4 | 97.8 | 244.3 | 295.5 | 312.1 | 237.4 | 194.2 | |
Mode × Level of FYM | 89.6 | 166.4 | 190.1 | 222.0 | 167.0 | 89.6 | 146.3 | 162.6 | 173.8 | 143.1 | 89.6 | 228.4 | 248.4 | 268.7 | 208.8 | ||
CD (p = 0.05): Mode = 7.2; Level of fertilizer N = 7.0; Mode × Level of FYM = 14.4; Mode × Level of fertilizer N = 12.1; Mode × Level of FYM × Level of fertilizer N = NS | |||||||||||||||||
Stage-4 | N0 | 50.6 | 93.3 | 104.0 | 113.6 | 90.4 | 50.6 | 85.5 | 90.1 | 101.2 | 81.9 | 50.6 | 123.9 | 140.1 | 153.5 | 117.0 | 96.4 |
N120 | 68.8 | 125.4 | 143.6 | 154.3 | 123.0 | 68.8 | 126.6 | 131.4 | 137.9 | 116.2 | 68.8 | 166.1 | 197.9 | 228.1 | 165.2 | 134.8 | |
Mode × Level of FYM | 59.7 | 109.3 | 123.8 | 133.9 | 106.7 | 59.7 | 106.1 | 110.7 | 119.6 | 99.0 | 59.7 | 145.0 | 169.0 | 190.8 | 141.1 | ||
CD (p = 0.05): Mode = 6.1; Level of fertilizer N = 3.7; Mode × Level of FYM = 12.3; Mode × Level of fertilizer N = 6.5; Mode × Level of FYM × Level of fertilizer N = NS | |||||||||||||||||
Stage-5 | N0 | 45.2 | 85.6 | 97.8 | 104.3 | 83.2 | 45.2 | 76.8 | 83.5 | 97.6 | 75.8 | 45.2 | 97.6 | 123.8 | 133.5 | 100.0 | 86.3 |
N120 | 57.9 | 119.8 | 126.5 | 142.1 | 111.6 | 57.9 | 111.7 | 118.9 | 125.5 | 103.5 | 57.9 | 142.0 | 153.9 | 165.8 | 129.9 | 115.0 | |
Mode × Level of FYM | 51.6 | 102.7 | 112.2 | 123.2 | 97.4 | 51.6 | 94.2 | 101.2 | 111.6 | 89.6 | 51.6 | 119.8 | 138.8 | 149.6 | 115.0 | ||
CD (p = 0.05): Mode = 5.8; Level of fertilizer N = 4.0; Mode × Level of FYM = 11.5; Mode × Level of fertilizer N = NS; Mode × Level of FYM × Level of fertilizer N = NS | |||||||||||||||||
