Applied and Environmental Soil Science / 2015 / Article / Tab 9

Research Article

Residual Effects of Lime- and Clay-Amended Biosolids Applied to Coarse-Textured Pasture Soil

Table 9

Microbial biomass N (µg g−1 soil) in ryegrass cycles 6 and 7 with reapplied LaBC® (+/−) as influenced by residual effects of soil amendments from previous management history.

MBN (µg g−1 soil)
Soil management history
(cycles 1 to 5)
Ryegrass cycle 6Ryegrass cycle 7
Current treatment (+/−LaBC®)
−LaBC®+LaBC® (50 t ha−1)Treatment
−LaBC® from cycle 6
+LaBC® from cycle 6

Control 7.60 ± 7.60a0 ± 0a7.67 ± 5.55ab3.10 ± 1.84b
aLaBC®3.20 ± 3.20a3.90 ± 3.90a2.54 ± 2.54b7.20 ± 3.69b
bFertiliser 7.63 ± 6.83a15.85 ± 14.77a7.61 ± 5.08ab22.94 ± 9.33a
LaBC® + fertiliser 4.42 ± 2.17a09.77 ± 4.89a10.70 ± 2.74ab10.85 ± 6.13ab

LaBC® = 50 t ha−1 of wet weight equivalent.
bFertiliser = macronutrient fertilisers (N, P, K, Ca, and Mg) applied according to district practice.
Values are mean ± SE (). The letters followed by mean ± SE were based on LSD ().
The main and interaction effects of treatments with the same letters, within the same column and between columns within each cycle, respectively, were not significant (), based on 2-way 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.