黄淮海夏玉米一次性施肥技术效应研究
|
|
杨岩, 谭德水, 江丽华, 郭建华, 孙克刚, 徐钰, 石璟, 王梅, 刘兆辉
|
The Effects of One-off Fertilization of Summer Maize in Huang-Huai-Hai Region
|
|
Yan YANG, DeShui TAN, LiHua JIANG, JianHua GUO, KeGang SUN, Yu XU, Jing SHI, Mei WANG, ZhaoHui LIU
|
|
| 表6 不同处理夏玉米氮肥利用效率 |
| Table 6 N fertilizer use efficiency of different fertilizer treatments |
|
处理
Treatments | 氮肥农学效率NAE (kg·kg-1) | 氮肥表观利用率NER (%) | 氮肥偏生产力PFPN (kg·kg-1) | 需求量ANA (kg·t-1) | | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | | N0PK | - | - | - | - | - | - | 17.33b | 16.81a | | FP | 10.66a | 9.99a | 37.36a | 34.91a | 39.20c | 36.89d | 24.05a | 20.84a | | OPT | 14.10a | 15.56a | 41.59a | 39.55a | 43.31bc | 44.14bcd | 22.34a | 19.15a | | CRFA | 13.01a | 14.31a | 41.24a | 42.73a | 43.42bc | 42.58cd | 22.48a | 19.89a | | CRFA80%N | 16.11a | 16.65a | 39.75a | 37.91a | 51.80a | 51.99ab | 21.88a | 18.23a | | CRFB80%N | 15.81a | 14.99a | 42.18a | 37.08a | 51.46a | 50.33abc | 22.90a | 18.98a | | CRFC80%N | 15.34a | 16.63a | 40.72a | 38.95a | 50.00ab | 53.66a | 24.04a | 18.55a |
|
|
|