黄河故道滨海中低产田耕作与增施有机肥对土壤性状及稻-麦周年产量的短期影响

顾克军,顾东祥,张斯梅,张传辉,张恒敢,吴晶晶,樊平声

Short-Term Effects of Tillage and Organic Fertilizer Application on Soil Characters and Annual Rice-Wheat Yield in Coastal Low- and Medium-Yield Farmland of the Old Yellow River

Kejun Gu,Dongxiang Gu,Simei Zhang,Chuanhui Zhang,Henggan Zhang,Jingjing Wu,Pingsheng Fan

表4 稻-麦轮作不同耕作方式下水稻产量结构（2018年）

Table 4 Yield structure of rice under different tillage patterns in rice-wheat rotation system (2018)

处理 Treatment 穗长(cm) Ear length 穗粒数 Grains per spike 实粒数 Filled-grains per spike 结实率(%) Filled-grain percentage 千粒重(g) 1000-kernel weight 穗数(×104/hm2) Ear number 单产(kg/hm2) Yield RW1 13.5a 99.6a 90.0a 90.4b 27.7a 362.2b 9 611.2ab RW2 13.7a 104.1a 94.6a 91.6ab 27.8a 366.7b 9 532.6ab RW3 13.9a 98.0a 90.2a 90.2b 27.9a 381.7ab 9 901.6ab RW4 13.2a 83.1ab 77.2ab 92.9ab 28.1a 425.3a 10 436.3a RW5 12.2b 71.5b 68.2b 95.4a 28.9a 360.1b 8 349.9b