长期施肥处理对双季晚稻叶绿素荧光特征及籽粒产量的影响

侯红乾,林洪鑫,刘秀梅,冀建华,刘益仁,蓝贤瑾,吕真真,周卫军

Influence of long-term fertilizer application on chlorophyll fluorescence characteristics and grain yield of double cropping late rice

Hong-Qian HOU,Hong-Xin LIN,Xiu-Mei LIU,Jian-Hua JI,Yi-Ren LIU,Xian-Jin LAN,Zhen-Zhen LYU,Wei-Jun ZHOH

表4 有机无机肥配施对晚稻产量的影响

Table 4 Effects of organic and inorganic combined fertilization on later rice yield

处理 Treatment 有效穗数 No. of effective panicle (×104 hm-2) 每穗实粒数 Spikelet No. per panicle 结实率 Filled grain percentage (%) 千粒重 1000-kernel weight (g) 实际产量 Yield (kg hm-2) PK 196.62±15.30 b 84.63±7.63 a 66.74±4.79 a 27.40±0.15 ab 4360.05±61.47 b NPK 316.89±12.87 a 56.02±5.58 c 51.11±2.06 b 27.96±0.36 a 4726.25±128.95 a 70F+30M 337.84±30.96 a 65.66±4.56 b 50.71±1.67 b 27.93±0.18 a 4976.73±107.45 a 50F+50M 347.30±36.56 a 61.48±4.23 bc 54.62±3.83 b 27.41±0.48 ab 4964.31±52.76 a 30F+70M 310.81±11.70 a 67.70±3.29 b 53.73±2.88 b 26.81±0.14 b 4857.15±81.24 a