水氮互作对花针期花生生理特性及生长的影响

修俊杰, 刘学良

Effects of Water and Nitrogen Interaction on Physiological Characteristics and Growth of Peanut during the Pod-Pin Stage

Xiu Junjie, Liu Xueliang

表3 花针期水氮互作对花生干物质积累量的影响

Table 3 Effects of irrigation and nitrogen fertilizer on dry matter accumulation in peanut at the pod-pin stage

水分处理 Water treatment 氮素水平 Nitrogen level T1 T2 干物质积累量 Dry matter accumulation (g) 根冠比 Root/shoot 水分胁迫指数 Water stress index 干物质积累量 Dry matter accumulation (g) 根冠比 Root/shoot 水分胁迫指数 Water stress index 干旱处理 Drought-stress N0 192.2b 0.085a 0.071c 327.1c 0.075b 0.092a N1 255.1a 0.077b 0.109b 416.8b 0.076b 0.075b N2 269.3a 0.078b 0.143a 475.3a 0.078a 0.053c 正常灌水 Well-watering N0 206.8c 0.084a 360.3c 0.062d N1 286.3b 0.076b 450.8b 0.063d N2 314.2a 0.077b 502.1a 0.065c