不同氮肥处理对荸荠产量、淀粉积累速率及淀粉合成酶活性的影响

高美萍, 陶运荣, 蒋慧萍, 胡一凤, 林志城, 方彦蓉, 欧阳秀, 江文

Effects of Different Nitrogen Fertilizer Treatments on Yield, Starch Accumulation Rate and Starch Synthase Activity of Water Chestnut

Gao Meiping, Tao Yunrong, Jiang Huiping, Hu Yifeng, Lin Zhicheng, Fang Yanrong, Ouyang Xiu, Jiang Wen

表1 不同氮水平处理的氮肥施用量

Table 1 Nitrogen fertilizer application amounts for different nitrogen level treatments kg/hm2

施氮量 Nitrogen application rate 施氮方式 Nitrogen application method 总施氮量 Total nitrogen application rate 基肥 Base fertilizer 幼苗肥 Seedling fertilizer 分蘖肥 Tillering fertilizer 膨大肥 Expansion fertilizer CK － 0 0 0 0 0 N1 T1 120 60 60 0 0 T2 120 60 30 30 0 T3 120 60 20 20 20 N2 T1 240 120 120 0 0 T2 240 120 60 60 0 T3 240 120 40 40 40 N3 T1 360 180 180 0 0 T2 360 180 90 90 0 T3 360 180 60 60 60