溶解氧浓度对水稻分蘖期根系生长及氮素利用特性的影响
|
|
胡继杰,钟楚,胡志华,张均华,曹小闯,刘守坎,金千瑜,朱练峰
|
Effects of Dissolved Oxygen Concentration on Root Growth at Tillering Stage and Nitrogen Utilization Characteristics of Rice
|
|
HU JiJie,ZHONG Chu,HU ZhiHua,ZHANG JunHua,CAO XiaoChuang,LIU ShouKan,JIN QianYu,ZHU LianFeng
|
|
表2 不同溶解氧浓度水稻植株氮素积累量的差异
|
Table 2 Difference in N accumulation of rice under different dissolved oxygen concentrations
|
|
品种
Variety | 处理
Treatment | 氮积累量
N accumulation (mg/plant) | 阶段氮积累量
Periodic N accumulation (mg/plant) | 阶段氮积累量/总氮积累量
Ratio of periodic N accumulation to total (%) | | J | FH | FR | S-J | J-FH | FH-FR | S-J | J-FH | FH-FR | 中浙优1号
ZZY 1 | CK | 398.8a | 680.1b | 840.8b | 398.8a | 281.3b | 160.6a | 47.4 | 33.5 | 19.1 | | T1 | 379.7a | 657.9bc | 819.3b | 379.7a | 278.2b | 161.4a | 46.3 | 34.0 | 19.7 | | T2 | 434.6a | 734.1a | 901.8a | 434.6a | 299.4ab | 167.7a | 48.2 | 33.2 | 18.6 | | T3 | 317.7b | 639.6c | 810.2b | 317.7b | 321.9a | 170.6a | 39.2 | 39.7 | 21.1 | | T4 | 230.4c | 525.6d | 665.9c | 230.4c | 295.2ab | 140.3b | 34.6 | 44.3 | 21.1 | | IR45765-3B | CK | 312.6a | 580.3ab | 761.4a | 312.6a | 267.7ab | 181.1a | 41.1 | 35.2 | 23.8 | | T1 | 338.2a | 558.9b | 733.7ab | 338.2a | 220.7b | 174.8a | 46.1 | 30.1 | 23.8 | | T2 | 318.6a | 597.5a | 779.1a | 318.6a | 278.9a | 181.7a | 40.9 | 35.8 | 23.3 | | T3 | 246.8b | 517.7c | 696.7b | 246.8b | 270.9ab | 179.1a | 35.4 | 38.9 | 25.7 | | T4 | 201.0c | 427.2d | 554.9c | 201.0c | 226.2ab | 127.7a | 36.2 | 40.8 | 23.0 | 中旱221
ZH 221 | CK | 243.8a | 405.6b | 553.9ab | 243.8a | 161.8b | 148.3a | 44.0 | 29.2 | 26.8 | | T1 | 254.5a | 407.0b | 550.3ab | 254.5a | 152.5b | 143.3a | 46.3 | 27.7 | 26.0 | | T2 | 249.2a | 428.8a | 579.1a | 249.2a | 179.6a | 150.4a | 43.0 | 31.0 | 26.0 | | T3 | 240.0a | 403.5b | 531.7b | 240.0a | 163.5b | 138.8a | 45.1 | 30.8 | 26.1 | | T4 | 185.1b | 347.8c | 471.4c | 185.1b | 162.6b | 133.0a | 39.3 | 34.5 | 28.2 |
|
|
|