Table 2 Effect of manure management on dry matter accumulation at different growth stages of maize.
Years | Treatments | Dry matter accumulation (g plant−1 ) | ||||
|---|---|---|---|---|---|---|
Jointing stage | Big trumpet stage | Tasseling stage | Grain filling stage | Maturity stage | ||
2008 | Control | 1.3 ± 0.3a | 16.9 ± 1.1d | 92.7 ± 3.3d | 168.8 ± 3.7d | 216.8 ± 4.9d |
Low manure | 1.3 ± 0.2a | 19.0 ± 0.8c | 109.1 ± 1.1c | 178.6 ± 2.3c | 248.5 ± 3.7c | |
Medium manure | 1.4 ± 0.3a | 21.0 ± 0.5b | 115.1 ± 3.2b | 197.7 ± 3.1b | 270.8 ± 4.6b | |
High manure | 1.4 ± 0.2a | 23.4 ± 0.6a | 124.3 ± 2.1a | 210.0 ± 2.5a | 297.9 ± 5.2a | |
2009 | Control | 1.4 ± 0.2a | 18.0 ± 1.1d | 87.1 ± 3.2d | 165.1 ± 3.6c | 218.4 ± 5.0c |
Low manure | 1.5 ± 0.3a | 20.7 ± 0.6c | 105.8 ± 1.1c | 178.9 ± 4.7b | 238.0 ± 4.2b | |
Medium manure | 1.5 ± 0.2a | 22.1 ± 0.3b | 110.7 ± 1.7b | 198.8 ± 4.4a | 262.1 ± 7.2a | |
High manure | 1.5 ± 0.2a | 24.9 ± 0.7a | 120.8 ± 1.2a | 209.3 ± 3.5a | 276.3 ± 7.7a | |
2010 | Control | 1.5 ± 0.2a | 14.9 ± 1.0d | 90.3 ± 2.1d | 166.1 ± 2.1c | 200.5 ± 5.0c |
Low manure | 1.5 ± 0.3a | 21.7 ± 1.3c | 100.8 ± 2.3c | 173.7 ± 2.7b | 223.8 ± 4.1b | |
Medium manure | 1.5 ± 0.2a | 25.3 ± 0.9b | 109.0 ± 3.1b | 198.4 ± 3.7a | 259.6 ± 6.3a | |
High manure | 1.6 ± 0.3a | 28.5 ± 1.0a | 117.6 ± 1.9a | 203.6 ± 3.5a | 271.3 ± 6.7a | |
