粮菇轮作模式对土壤养分及小麦生长特性的影响

宋晓, 张珂珂, 关涵文, 李青欣, 孔维丽, 刘芹, 张玉亭, 郑靖康

Effects of Grain-Mushroom Rotation Patterns on Soil Nutrients and Growth Characteristics of Wheat

Song Xiao, Zhang Keke, Guan Hanwen, Li Qingxin, Kong Weili, Liu Qin, Zhang Yuting, Zheng Jingkang

表1 不同轮作模式的指标差异分析

Table 1 Analysis of differences in the indicators of different rotation patterns

指标Index T1 T2 T3 土壤全氮Soil total nitrogen (g/kg) 0.49 0.53 0.50 土壤速效磷Soil available phosphorus (mg/kg) 7.14 9.73 9.87 土壤速效钾Soil available potassium (mg/kg) 64.10 70.27 77.87 土壤有机质Soil organic matter (g/kg) 6.84 7.83 7.42 Pn [µmol/(m2·s)] 21.58 22.85 25.50 Gs [mmol/(m2·s)] 0.98 1.13 1.05 Ci [µmol/(m2·s)] 280.64 304.18 299.76 Tr [mmol/(m2·s)] 3.45 4.12 3.77 根系活力Root vigor [µg/(g·h)] 92.20 111.32 96.83 根长Root length (cm) 334.49 392.98 361.24 根表面积Root surface area (cm2) 63.07 99.87 88.38 根体积Root volume (cm3) 1.72 2.25 1.91 群体Population (×104/hm2) 51.40 52.30 56.75 穗数Spike number (×104/hm2) 338.40 417.45 536.25 穗粒数Grain number per spike 40.42 44.50 39.92 千粒重1000-grain weight (g) 49.48 47.90 40.80 产量Yield (kg/hm2) 5737.36 7563.43 7423.36 HI 0.45 0.52 0.48