氮素穗肥施用期对一季籼粳杂交稻氮肥效率、产量和品质的影响

乐丽红, 刘凯丽, 陈忠平, 王斌强, 唐舟, 程飞虎, 张昆

Effects of Application Time of N Fertilizer at Panicle Differentiation Stage on the Nitrogen Use Efficiencies, Yield and Quality of One-Season Indica-Japonica Hybrid Rice

Le Lihong, Liu Kaili, Chen Zhongping, Wang Binqiang, Tang Zhou, Cheng Feihu, Zhang Kun

表1 产量在年度间及处理间的方差分析

Table 1 Variance analysis of yield between years and treatments

变异来源 Source of variation 自由度 Degree of freedom 平方和 Sum of squares 均方 Mean square F值 F-value 年度间Year 1 2.32 2.32 1.53ns 处理间Treatment 7 10.71 1.53 21.77** 年度×处理Year×treatment 7 0.99 0.14 2.02ns 误差Error 28 1.97 0.07 总变异Total variation 47 21.99