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

图1 耕作施肥对水稻季不同土层有机质和速效氮含量的影响 不同小写字母表示处理间差异显著（P<0.05）

Fig.1 Effects of tillage and fertilization on organic matter and available nitrogen content in different soil layers in rice season Different small letters indicate significant difference at 0.05 level