绿豆/黑豆压青还田下减量施肥对宿根甘蔗产量和主要农艺性状的影响

苏利荣, 谭裕模, 秦芳, 李琴, 曾成城, 李忠义, 韦彩会, 董文斌, 梁俊, 何铁光

Effects of Reduced Chemical Fertilizer on Yield and Main Agronomic Traits of Ratoon Sugarcane under Conditions of Returning Green Mung Bean/Black Bean into Field

Su Lirong, Tan Yumo, Qin Fang, Li Qin, Zeng Chengcheng, Li Zhongyi, Wei Caihui, Dong Wenbin, Liang Jun, He Tieguang

表4 不同处理甘蔗收获期性状

Table 4 Characteristics of sugarcane harvest period in different treatments

处理 Treatment 茎径 Stalk diameter (mm) 有效茎数 Number of productive tillers (×104 stalk/hm2) 单茎重 Stalk weight (kg) 成茎率 Effective stem rate (%) 蔗茎产量 Cane yield (t/hm2) 锤度 Brix CK 27.85±0.34ab 6.74±0.49a 1.76±0.10a 69.43±5.33a 117.90±5.2ab 19.55±0.42a H-LY 27.09±0.36b 5.98±0.65b 2.01±0.21a 58.51±4.68a 117.50±3.20ab 19.65±0.48a H-LQ 28.05±0.46ab 6.26±0.37a 1.99±0.12a 60.70±5.26a 123.90±5.70ab 19.74±0.54a H-Y 26.73±0.40b 7.07±0.38a 1.80±0.12a 69.62±6.58a 126.10±5.00a 19.99±0.61a H-HD 29.42±1.40a 6.01±0.16a 1.85±0.02a 65.54±3.69a 111.00±4.20b 18.79±0.28a H-HQ 28.75±0.34ab 6.15±0.19a 1.82±0.08a 64.07±1.27a 111.60±6.90b 18.96±0.52a