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1 稻-麦轮作不同耕作与施肥处理小麦季收获期土壤养分状况(2018年)
Table 1 Soil nutrient status of wheat at harvest stage under different tillage patterns in rice-wheat rotation system (2018)
处理
Treatment
容重
Bulk density
(g/cm3)
土壤质量含水率
Soil moisture content (%)
土壤空隙度
Soil porosity
(%)
土壤三相比R值
Ratio of soil solid-
liquid-gaseous
有机质含量
Organic matter
content (g/kg)
碱解氮含量Alkali nitrogen
content (mg/kg)
速效磷含量
Available phosphorus
content (mg/kg)
速效钾含量
Available potassium
content (mg/kg)
RW1 1.27a 22.25b 52.17a 4.5ab 6.3e 34.1c 11.8a 99.2c
RW2 1.25a 21.98b 52.67a 4.2a 5.2b 18.3b 16.7b 50.8a
RW3 1.29a 18.98a 51.40a 3.9a 4.6a 16.3a 23.0c 73.1b
RW4 1.24a 20.89b 53.06a 4.6ab 5.4c 20.1b 10.6a 73.9b
RW5 1.23a 19.26ab 53.56a 5.8b 6.1d 19.4b 9.5a 69.4b