减施氮肥和接种根瘤菌对黑大豆光合特性及产量的影响

孙庆圣, 原程, 张玉先

Effects of Reducing Nitrogen Fertilizer and Inoculating Rhizobium on Photosynthetic Characteristics and Yield of Black Soybean

Sun Qingsheng, Yuan Cheng, Zhang Yuxian

表2 减施氮肥和接种根瘤菌对黑大豆产量的影响

Table 2 Effects of reducing nitrogen fertilizer and inoculating Rhizobium on yield and its compositions of black soybean

处理 Treatment 有效荚数 Number of effective pods 无效荚数 Number of invalid pods 单株粒重 Grain weight per plant (g) 百粒重 100-grain weight (g) 产量 Yield (kg/hm2) CK 18.5±8.71bc 2.4±2.17a 6.56±1.88abc 12.60±0.19bc 1732.71±196.88abc T1 21.3±5.46ab 3.5±2.72a 6.92±1.45ab 12.90±0.40ab 1825.59±144.50ab T2 17.2±3.68bc 2.4±2.51a 5.72±1.05abc 12.33±0.10bc 1480.46±142.32bc T3 24.9±10.33a 2.4±1.26a 7.07±3.03a 13.27±0.59a 1867.41±209.69a T4 13.0±3.80c 3.2±1.40a 4.92±1.81bc 12.12±0.10c 1320.66±321.90c T5 15.1±2.60bc 1.7±1.70a 5.26±0.59c 12.26±0.13c 1389.33±181.63c