Applied and Environmental Soil Science / 2015 / Article / Tab 4

Research Article

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

Table 4

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

Root dry biomass (g pot−1)
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
Treatment
+LaBC® from cycle 6

Control 0.23 ± 0.03d0.53 ± 0.13cd0.10 ± 0.02c0.50 ± 0.10b
aLaBC®0.34 ± 0.08cd0.58 ± 0.06cd0.31 ± 0.09bc0.45 ± 0.06b
bFertiliser 1.08 ± 0.22a0.57 ± 0.15cd1.03 ± 0.20a0.59 ± 0.14b
LaBC® + fertiliser 1.03 ± 0.12ab0.67 ± 0.09bc0.95 ± 0.11a0.52 ± 0.09b

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 ().

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