Applied and Environmental Soil Science / 2015 / Article / Tab 6

Research Article

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

Table 6

Shoot N concentration (%) in ryegrass cycles 6 and 7 with reapplied LaBC® (+/−) as influenced by residual effects of soil amendments from previous management history.

Shoot N concentration (%)
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 1.79 ± 0.12cd2.11 ± 0.05abc1.46 ± 0.13a1.33 ± 0.06a
aLaBC®1.78 ± 0.04cd2.18 ± 0.13ab1.58 ± 0.06a1.52 ± 0.03a
bFertiliser 1.86 ± 0.1bcd2.28 ± 0.22a1.49 ± 0.03a1.44 ± 0.04a
LaBC® + fertiliser 1.75 ± 0.1d2.35 ± 0.07a1.46 ± 0.08a1.54 ± 0.01a

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.

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