有机肥配施氮肥对滴灌春玉米产量及土壤肥力状况的影响
王艳丽,吴鹏年,李培富,王西娜,朱旭

Effects of organic manure combined with nitrogen fertilizer on spring maize yield and soil fertility under drip irrigation
Yan-Li WANG,Peng-Nian WU,Pei-Fu LI,Xi-Na WANG,Xu ZHU
图2 2016年和2017年有机肥配施氮肥对玉米产量的影响
标以不同小写字母的柱值在0.05水平差异显著。*表示差异显著(P < 0.05), ns表示差异不显著(P > 0.05)。缩写同表1
Fig. 2 Effects of organic manure combined with nitrogen fertilizer on maize yield in 2016 and 2017
Bars superscripted by different letters are significantly different among different treatments in the same year at P < 0.05. * indicates significance (P < 0.05); ns indicates no significance (P > 0.05). Abbreviations are the same as those given in Table 1.