侧深施氮对机插水稻产量形成及氮素利用的影响
|
|
朱从桦,张玉屏,向镜,张义凯,武辉,王亚梁,朱德峰,陈惠哲
|
Effects of Side Deep Fertilization on Yield Formation and Nitrogen Utilization of Mechanized Transplanting Rice
|
|
CongHua ZHU,YuPing ZHANG,Jing XIANG,YiKai ZHANG,Hui WU,YaLiang WANG,DeFeng ZHU,HuiZhe CHEN
|
|
表2 机械侧深施氮对水稻产量及产量构成的影响
|
Table 2 Effects of mechanized side deep placement of nitrogen fertilizer on yield and the yield components of rice
|
|
年份
Year | 处理
Treatment | 籽粒产量
Grain yield
(t·hm-2) | 有效穗数
Effective panicle number (104·hm-2) | 颖花总量
Total amount of spikelet (106·hm-2) | 每穗实粒数
Number of filled grains per panicle | 结实率
Seed-setting rate (%) | 千粒重
1000-grain weight
(g) | | 2017 | N0 | 5.42d | 201.11e | 310.16d | 114.79abc | 74.40a | 24.29b | | CUB | 6.62c | 269.44d | 426.85c | 116.88ab | 73.74a | 25.15ab | | CUM | 7.08ab | 293.89b | 482.25a | 120.54a | 73.50a | 24.53ab | | CRUB | 6.95b | 285.00c | 456.48b | 113.56bc | 70.86b | 24.89ab | | CRUM | 7.26a | 316.11a | 496.51a | 109.72c | 69.86b | 25.48a | | 2018 | N0 | 7.04c | 228.25c | 426.43d | 155.98b | 83.67c | 23.30b | | CUB | 9.13b | 287.97b | 544.79c | 162.45ab | 85.95a | 23.33b | | CUM | 9.87a | 330.37a | 636.86ab | 163.42ab | 84.78b | 24.06a | | CRUB | 9.55ab | 319.77a | 602.54b | 162.19ab | 86.03a | 24.14a | | CRUM | 10.08a | 328.97a | 668.32a | 170.54a | 83.91c | 24.17a |
|
|
|