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

表3 有机肥配施氮肥对玉米关键生育期地上部干物质的影响

Table 3 Effects of organic manure combined with nitrogen fertilizer on dry matter of maize at key growth stages (kg hm-2)

处理 Treatment 2016年 2017年 拔节期 Jointing period 抽雄期 Tasseling period 灌浆期 Filling period 成熟期 Mature period 拔节期 Jointing period 抽雄期 Tasseling period 灌浆期 Filling period 成熟期 Mature period -M-N0 1689 e 8154 d 9981 d 22748 c 2614 c 10080 b 11214 b 23355 d -M+N75 1830 d 8511 c 11373 c 23346 bc 2885 b 10377 b 11625 b 24148 c -M+N150 2108 c 8757 c 11631 bc 23734 ab 2903 b 10539 b 13062 a 24786 c -M+N225 2311 b 9519 ab 11940 ab 24127 a 3330 a 11265 a 13431 a 25519 b -M+N300 2525 a 10197 a 12240 a 24222 a 3511 a 11205 a 13704 a 26537 a +M-N0 2440 d 10656 d 12804 d 24158 d 2655 c 11403 b 13815 c 25372 d +M+N75 2577 c 11370 c 13869 c 25531 c 2673 bc 11625 b 14697 bc 27062 c +M+N150 2606 c 11628 bc 14508 b 25859 c 2866 bc 12282 a 15114 b 28788 b +M+N225 2863 b 11790 b 14979 ab 28355 a 2902 bc 12633 a 16788 a 29664 a +M+N300 3056 a 12132 a 15234 a 27384 b 3159 a 12447 a 16731 a 30384 a M ns ns * * ns * * * N * * * * * * * * M×N ns ns ns * ns * * *