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2 2016年和2017年成熟期有机肥配施氮肥对耕层(0~40 cm)土壤养分的影响

Table 2 Effects of organic manure combined with nitrogen fertilizer on nutrients in 0-40 cm soil layer during the mature period in 2016 and 2017

处理 Treatment 有机质 SOM (g kg-1) 全氮 Total N (g kg-1) 全磷 Total P (g kg-1) 碱解氮 Alkaline N (mg kg-1) 速效磷 Available P (mg kg-1) 速效钾 Available K (mg kg-1） 2016 2017 2016 2017 2016 2017 2016 2017 2016 2017 2016 2017 -M-N0 4.59 e 5.36 e 0.33 e 0.57 e 0.34 d 0.56 e 25.32 c 30.26 e 5.04 d 6.81 e 68.65 e 73.52 e -M+N75 4.87 d 5.62 d 0.42 d 0.68 d 0.38 d 0.63 d 25.48 c 31.32 d 5.20 c 7.06 d 78.10 d 83.40 d -M+N150 5.14 c 5.79 c 0.55 c 0.83 c 0.45 c 0.69 c 25.67 b 33.74 c 5.34 b 7.34 c 97.01 c 106.91 c -M+N225 5.42 b 5.96 b 0.68 b 0.92 b 0.55 b 0.77 b 25.79 ab 36.06 b 5.55 a 7.52 b 133.75 a 176.77 a -M+N300 5.77 a 6.17 a 0.83 a 0.97 a 0.59 a 0.82 a 25.96 a 36.47 a 5.54 a 7.66 a 123.56 b 134.93 b +M-N0 4.62 e 5.51 e 0.38 e 0.65 e 0.35 d 0.59 e 25.43 c 32.60 e 5.14 d 6.94 d 70.14 e 82.91 e +M+N75 5.00 d 5.71 d 0.45 d 0.76 d 0.42 c 0.66 d 25.57 bc 33.62 d 5.30 c 7.21 c 87.21 d 98.73 d +M+N150 5.26 c 5.80 c 0.66 c 0.88 c 0.51 b 0.74 c 25.74 b 34.81 c 5.45 b 7.40 b 104.62 c 107.86 c +M+N225 5.56 b 6.08 b 0.78 b 0.95 b 0.59 a 0.81 b 26.01 a 36.86 b 5.68 a 7.83 a 149.20 a 186.62 a +M+N300 5.93 a 6.39 a 0.89 a 0.99 a 0.63 a 0.88 a 26.10 a 39.32 a 5.43 b 7.80 a 135.88 b 154.98 b M * * * * * * * * * * * * N * * * * * * * * * * * * M×N ns * ns ns * * ns ns ns * * *