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

Table 7

Treatment effect on surface soil (0–10 cm depth) BD (bulk density), WHC (water holding capacity), and OM (organic matter) in 2011 and 2012.

	Year	T0	T1	T2	T3	T4
BD (g cm^−3)	2011	1.37	1.34	1.32	1.24	1.19
	2012	1.43	1.31	1.29	1.18	1.16
WHC (%)	2011	46.1	49.9	53.6	64.9	66.3
	2012	47.4	51.3	63.2	71.2	75.3
OM (%)	2011	1.41	1.53	1.56	1.52	1.49
	2012	1.43	1.55	1.70	1.56	1.69

Average of triplicate measurements.