Table 2.
Plant height and biomass of ramie under different treatments at three harvests (H1, H2, and H3).
| Treatments | Plant height (cm) | Plant biomass (kg) | ||||
|---|---|---|---|---|---|---|
| H1 | H2 | H3 | H1 | H2 | H3 | |
| Low NPK (kg/ha) | ||||||
| N0P0K0 (control) | 49.0b | 49.0c | 60.4b | 0.11c | 0.27c | 0.13c |
| N0P0K140 | 58.7ab | 73.0b | 86.2a | 0.18bc | 0.54ab | 0.36ab |
| N0P70K0 | 60.3a | 76.7ab | 83.4a | 0.18bc | 0.47abc | 0.23bc |
| N0P70K140 | 67.7a | 88.7a | 71.4ab | 0.25a | 0.35bc | 0.44ab |
| N140 P0 K0 | 60.3a | 89.0a | 81.6a | 0.14c | 0.31c | 0.27abc |
| N140 P0K140 | 61.3a | 79.3ab | 79.3a | 0.22ab | 0.33bc | 0.31abc |
| N140P70 K0 | 59.3ab | 82.7ab | 79.3a | 0.24ab | 0.42abc | 0.49a |
| N140P70K140 | 63.3a | 84.3ab | 88.3a | 0.26a | 0.56a | 0.46a |
| Mean | 60.0 A | 77.7 A | 78.7 A | 0.19 C | 0.41 A | 0.34B |
| Normal NPK (kg/ha) | ||||||
| N0 P0 K0 (control) | 56.3c | 53.7c | 63.3e | 0.08d | 0.18c | 0.11d |
| N0 P0 K280 | 64.3abc | 88.0ab | 88.0abc | 0.26bc | 0.45ab | 0.34c |
| N0 P140 K0 | 66.7abc | 88.0ab | 93.7ab | 0.29abc | 0.46ab | 0.44bc |
| N0 P140K280 | 73.0a | 77.0b | 71.7de | 0.33ab | 0.39b | 0.58ab |
| N280P0 K0 | 62.3bc | 99.0a | 97.3a | 0.25c | 0.48ab | 0.47abc |
| N280P0 K280 | 70.3ab | 84.3b | 83.7bc | 0.33abc | 0.53ab | 0.62a |
| N0 P140 K0 | 69.0ab | 86.3ab | 0.7cd | 0.35a | 0.61a | 0.49abc |
| N0 P140K280 | 74.0a | 98.3a | 96.0a | 0.33ab | 0.58a | 0.59ab |
| Mean | 67.0B | 84.3A | 84.3A | 0.28B | 0.46A | 0.46A |
| Low NPK + GA 3 | ||||||
| N0 P0 K0 (control) | 54.7b | 66.0c | 58.0e | 0.11e | 0.24e | 0.14c |
| N0 P0 K140 + GA3 | 79.3a | 92.7b | 96.0bcd | 0.30d | 0.52bcd | 0.48b |
| N0 P70 K0 + GA3 | 79.0a | 94.3ab | 88.3d | 0.31 cd | 0.64abc | 0.52ab |
| N0P70K140 + GA3 | 82.3a | 105.0a | 102.0bc | 0.35bc | 0.65abc | 0.56ab |
| N140P0 K0 + GA3 | 78.7a | 90.7b | 91.7 cd | 0.32bcd | 0.38de | 0.57ab |
| N140P0 K140 + GA3 | 87.3a | 92.7b | 106.7b | 0.45a | 0.68a | 0.66ab |
| N140P70K0 + GA3 | 81.3a | 91.7b | 94.7bcd | 0.36b | 0.49 cd | 0.71a |
| N140P70K140 + GA3 | 86.0a | 101.3ab | 119.7a | 0.44a | 0.67ab | 0.73a |
| Mean | 78.6B | 91.8A | 94.6A | 0.33B | 0.53A | 0.55A |
The low NPK (N:P:K at 140:70:140 kg ha−1), normal NPK (N:P:K at 280:140:280 kg ha−1) and low NPK + GA3 (gibberellic acid; 10 mg L−1) treatment groups. Each of the three treatment groups were further subdivided into (Control, K, P, PK, N, NK, NP, and NPK) treatments.
Plants were harvested on June 20 (1st harvest H1), August 10 (2nd harvest H2), and October 10 (3rd harvest H3), 2015, of ramie, respectively. Data followed by different lowercase letters (a, b, c) in the same column indicate statistically significant differences within a harvest; values followed by different uppercase letters (A, B, C) in the same row indicate significant difference between harvests at p < 0.05 based on LSD test.