干湿交替灌溉耦合施氮量对水稻籽粒灌浆生理和根系生理的影响

付景, 王亚, 杨文博, 王越涛, 李本银, 王付华, 王生轩, 白涛, 尹海庆

Effects of alternate wetting and drying irrigation and nitrogen coupling on grain filling physiology and root physiology in rice

FU Jing, WANG Ya, YANG Wen-Bo, WANG Yue-Tao, LI Ben-Yin, WANG Fu-Hua, WANG Sheng-Xuan, BAI Tao, YIN Hai-Qing

图4 水分和氮肥耦合下水稻根系氧化力变化 CI: 常规灌溉; AWD: 干湿交替灌溉; 0N: 不施氮肥; 90N: 90 kg N hm-2; 180N: 180 kg N hm-2; 270N: 270 kg N hm-2; 360N: 360 kg N hm-2。

Fig. 4 Changes in root oxidation activity of rice under the condition of water and nitrogen coupling CI: the conventional irrigation; AWD: the alternate wetting and drying; 0N: no nitrogen applied; 90N: nitrogen 90 kg hm-2; 180N: nitrogen 180 kg hm-2; 270N: nitrogen 270 kg hm-2; 360N: nitrogen 360 kg hm-2.