不同土壤改良措施对机械压实酸化蔗地土壤理化性质及微生物群落结构的影响

罗俊,林兆里,李诗燕,阙友雄,张才芳,杨仔奇,姚坤存,冯景芳,陈建峰,张华

Effects of different soil improvement measures on soil physicochemical properties and microbial community structures in mechanically compacted acidified sugarcane field

Jun LUO,Zhao-Li LIN,Shi-Yan LI,You-Xiong QUE,Cai-Fang ZHANG,Zai-Qi YANG,Kun-Cun YAO,Jing-Fang FENG,Jian-Feng CHEN,Hua ZHANG

表8 土壤改良措施对甘蔗产量性状的影响

Table 8 different soil improvement measures on sugarcane yield traits

作物季 Crop season 土壤改良措施 Soil improvement measure 茎蘖数 Stem tiller number (stem hm-2) 株高 Plant height (cm) 茎径 Stem diameter (cm) 单茎重 Single stem weight (kg stem-1) 有效茎数 Effective stem number (stem hm2) 蔗产量 Cane yield (t hm-2) 蔗糖分 Sucrose content (%) 新植 New planting 对照 Contrast (B1) 89966±7912b 230.67±11.53d 2.61±0.09a 1.24±0.09c 63664±5254c 78.65±9.18c 12.72±0.65a 松土精 Loose soil essence (B2) 91276±14324ab 247.42±10.01b 2.67±0.14a 1.38±0.16ab 64007±2097bc 88.53±10.19b 13.14±0.86a 生物菌肥 Biological bacterial fertilizer (B3) 93539±9303ab 257.25±8.13a 2.68±0.07a 1.45±0.10a 64263±4328bc 93.15±6.65ab 13.45±0.79a 有机肥 Organic fertilizer (B4) 102710±8543ab 252.00±8.21b 2.70±0.09a 1.43±0.10a 67170±4888ab 96.65±11.78a 12.86±0.86a 生石灰Quick lime(B5) 104100±12170a 241.08±3.73c 2.63±0.09a 1.31±0.09b 69736±4739a 91.21±6.78ab 13.32±0.80a 宿根 Perennial root 对照 Contrast (B1) 65415±5403b 245.01±15.86c 2.75±0.08b 1.45±0.15c 40576±1788c 58.94±7.05c 13.93±1.56a 松土精 Loose soil essence (B2) 64345±7518b 263.14±14.71b 2.83±0.04ab 1.66±0.10b 49341±838b 81.71±4.05b 14.31±0.97a 生物菌肥 Biological bacterial fertilizer (B3) 74765±4236a 284.10±10.22a 2.90±0.04a 1.88±0.08a 55327±3716a 103.87±7.97a 14.64±0.77a 有机肥 Organic fertilizer (B4) 71148±4715ab 282.74±10.50a 2.93±0.07a 1.90±0.15a 54771±2538a 104.23±9.29a 14.45±0.92a 生石灰Quick lime(B5) 67895±9782ab 259.87±8.95b 2.88±0.11a 1.69±0.13b 47802±2126b 80.71±5.53b 14.81±0.86a