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1 试验处理及N、P2O5和K2O施用量

Table 1 Dosages of N, P2O5 and K2O in treatments kg/hm2

处理 Treatment N，P2O5和K2O总施肥量 Total content of N, P2O5 and K2O fertilizer 施肥种类及用量Kinds and amount of fertilizers 尿素 Urea 钙镁磷肥 Calcium magnesium phosphate 氯化钾 Potassium chloride 5%有机肥 Organic fertilizer N P2O5 K2O CK 330.0 255.00 360 717 1417 600 H-LY 247.5 191.25 270 538 1063 450 2363 H-LQ 247.5 191.25 270 538 1063 450 H-Y 247.5 191.25 270 538 1063 450 4725 H-HD 247.5 191.25 270 538 1063 450 H-HQ 247.5 191.25 270 538 1063 450