International Journal of Agronomy / 2017 / Article / Tab 3

Research Article

Sewage Sludge Amendment Combined with Green Manuring to a Coastal Mudflat Salt-Soil in Eastern China: Effects on Soil Physicochemical Properties and Maize Yield

Table 3

Effects of sewage sludge amendment (SSA) combined with green manuring on salinity of coastal mudflat salt-soil.

YearSSA (t ha−1)Salinity ()
0–20 cm depth20–40 cm depth

201307.67 ± 0.119.40 ± 0.57
304.76 ± 0.158.38 ± 1.01
753.08 ± 0.058.48 ± 1.06
1502.56 ± 0.258.25 ± 1.30
3002.06 ± 0.247.97 ± 0.82
-value491.750.90

201406.33 ± 2.139.34 ± 0.27
304.65 ± 0.638.14 ± 0.63
754.44 ± 0.078.57 ± 1.25
1503.50 ± 0.668.27 ± 1.27
3002.74 ± 0.827.75 ± 0.51
-value17.961.37

Values are mean ± SD of three replicates. Different letters in each column indicate significant difference at by LSD’s multiple range test. Values of are the test in ANOVA; ; ; .

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.