Table 4 Relationship between nematode abundance in soil blocks (total in 20 × 20 × 20 cm) and soil and plant parameters. Treatments with the same prefix letter in the same column indicates no significant difference according to Kruskal-Wallis and Bonferroni post-hoc testing (p > 0.05)

From: Plant, soil and faunal responses to a contrived pH gradient

  Nematode Abundance (100 g DWE)
Total Plant Parasite Bacterial Feeder Fungal Feeder Omnivore Predator
Mean (n = 10) ± S.E.
  Control 1434.5 ± 363.3a 572.7 ± 136.6a 715.9 ± 274.0ab 89.2 ± 24.7ab 47.3 ± 16.6a 9.3 ± 5.3a
  Elemental Sulphur 705.9 ± 169.2b 300.4 ± 75.1a 297.9 ± 82.4b 61.8 ± 24.7b 36.0 ± 12.8a 9.7 ± 3.4a
  Ferrous Sulphate 1546.1 ± 234.5a 494.1 ± 148.6a 857.5 ± 188.7a 127.6 ± 24.2a 39.4 ± 10.2a 27.6 ± 20.2a
Spearman’s rank correlation
  Soil pH
  Soil C 0.391 0.570
  Soil N 0.389 0.555
  Soil Cu −0.513 −0.557 −0.382
  Soil Fe −0.335
  Soil Mg 0.584 0.700 0.585
  Soil Mn 0.503
  Plant Tissue Ca 0.399
  Plant Tissue K 0.397
  Plant Tissue Mg 0.650 0.700 0.635
  Plant Tissue P 0.490
  Shoot Biomass −0.516 −0.364
  Total Plant Biomass −0.422 −0.374
  Root:Shoot 0.441 0.404
  1. Spearman’s rank order correlations were calculated for all plant biomass, plant and soil chemistry variables against nematode abundance but only variables that have a significant correlation (p < 0.05) are shown