Research Article

Impact of Addition of FGDB as a Soil Amendment on Physical and Chemical Properties of an Alkali Soil and Crop Yield of Maize in Northern China Coastal Plain

Figure 1

Effects of FGDB application on soil pH values for 2011 and 2012 (mean ± standard deviation of triplicate measurements. T0: control, T1: 4.50 t·hm−2, T2: 9.00 t·hm−2, T3: 13.50 t·hm−2, and T4: 18.00 t·hm−2. Lowercase letters denote statistically significant differences across treatments () in 2011 and 2012, respectively.