丛枝菌根真菌对玉米籽粒产量和氮素吸收的影响

张学林, 李晓立, 何堂庆, 张晨曦, 田明慧, 吴梅, 周亚男, 郝晓峰, 杨青华

Effects of arbuscular mycorrhizal fungi on grain yield and nitrogen uptake in maize

ZHANG Xue-Lin, LI Xiao-Li, HE Tang-Qing, ZHANG Chen-Xi, TIAN Ming-Hui, WU Mei, ZHOU Ya-Nan, HAO Xiao-Feng, YANG Qing-Hua

表2 氮肥用量、秸秆和菌根真菌对玉米穗部性状和土壤无机氮含量的影响

Table 2 Effects of N fertilization, straw, and mycorrhizae on maize ear properties and soil inorganic N concentration

处理 Treatment 穗行数 Rows per ear 行粒数 Kernel number per row 穗粒数 Grain number per spike 百粒重 100-grain weight (g) 土壤无机氮 Soil inorganic N (mg kg-1) 2016 2017 2016 2017 2016 2017 2016 2017 2016 2017 N180S0M0 13 ab 13 20.38 cd 15 de 265.25 cd 193.25 d 21.09 20.024 b 24.57 j 25.48 f N180S0M1 13 ab 13 19.75 cd 16.38 cde 255.75 cd 213 cd 21.04 21.04 ab 23.35 ij 24.84 f N180S0M2 14 ab 14.5 25 ab 18 bcd 350 ab 261.75 abc 22.23 20.52 b 20.34 j 17.31 g N180S1M0 13 ab 13.5 17.63 d 14.62 e 230 d 197.25 d 19.78 20.45 b 108.05 b 79.35 b N180S1M1 12.5 b 13 19.75 cd 16.13 cde 247 cd 209.5 cd 22.25 20.97 ab 61.92 d 41.20 cd N180S1M2 14.5 a 13.5 25 ab 19.13 abc 361.5 ab 257.25 abc 23.05 20.02 b 44.62 f 35.83 de N360S0M0 14 ab 14 25.25 ab 17.13 cde 353.5 ab 239.75 bcd 23.37 19.79 b 54.99 e 41.39 cd N360S0M1 13 ab 13 28.88 a 19.38 abc 376 a 252.75 abc 23.54 21.45 ab 36.88 g 34.05 e N360S0M2 13.5 ab 13 27.38 a 20.5 ab 370.25 ab 266.75 ab 24.25 22.86 a 33.73 h 22.45 fg N360S1M0 13.5 ab 13.75 22.38 bc 17.38 bcde 303.25 bc 239.63 bcd 20.67 21.39 ab 136.45 a 104.13 a N360S1M1 13.5 ab 14 22.5 bc 16.13 cde 303 bc 225.75 bcd 22.61 23.09 a 66.11 c 43.61 c N360S1M2 14.5 a 14 28.63 a 21.38 a 416.25 a 299.25 a 24.04 20.32 b 64.49 cd 40.58 cd 氮肥处理Nitrogen (N) 1.41 0.63 39.22*** 12.99*** 31.23*** 12.19*** 3.84 6.42* 877.83*** 89.78*** 秸秆处理Straw (S) 0.35 0.63 5.99* 0.22 2.21 0.001 0.46 0.06 6029.79*** 745.02*** 菌根处理Mycorrhizal (M) 5.56** 1.24 17.41*** 14.56*** 20.22*** 13.43** 2.79 3.31* 1636.23*** 349.68*** N × S 0.35 2.04 1.43 0.56 0.37 0.03 0.98 0.13 1.73 0.07 N × M 1.15 1.84 1.37 0.27 1.65 0.48 0.004 0.65 94.09*** 20.84*** S × M 1.15 0.33 2.75 1.88 3.65 0.86 0.96 4.37* 789.02*** 170.99*** N × S × M 0.62 2.35 2.57 0.88 1.34 0.95 0.04 2.28 13.71*** 4.33*