Publication Date

1993

Description

The ability of earthworms, Aporrectodea trapewides, A. caliginosa, A. rosea (Lumbricidae) and Gemascolex walkeri (Megascolecidae), to bury surface-applied lime and offset soil acidity was investigated in 2 pastures in the Mount Lofty Ranges, South Australia, In one pasture, A. trapewides increased pH by 0.8 of a unit at 4-6 cm depth. A. caliginosa also increased soil pH compared with controls, but A. rosea and G. walkeri had no influence, A. trapewides is suggested as a valuable addition to acid pastures, if not already present,

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Burial of Surface-Applied Lime by Earthworms in South Australian Pastures

The ability of earthworms, Aporrectodea trapewides, A. caliginosa, A. rosea (Lumbricidae) and Gemascolex walkeri (Megascolecidae), to bury surface-applied lime and offset soil acidity was investigated in 2 pastures in the Mount Lofty Ranges, South Australia, In one pasture, A. trapewides increased pH by 0.8 of a unit at 4-6 cm depth. A. caliginosa also increased soil pH compared with controls, but A. rosea and G. walkeri had no influence, A. trapewides is suggested as a valuable addition to acid pastures, if not already present,