Applied Soil Ecology · 2001
Response of earthworm communities to different types of soil tillage
Emmerling, C.
Abstract
The quantitative and qualitative development of earthworm communities in ecologically managed soils under green fallow and winter rye, and with three different tillage techniques (ploughing, two-layer ploughing and layer cultivation) during a period of 4 years from 1995 to 1998 was investigated in a field study at Rommersheim, Rhineland-Palatinate, Germany.
Throughout the experiment earthworm communities showed a clear relationship to the different intensity of the tillage techniques. In both crops, the abundance and the fresh biomass of the total community, the dominant species (Aporrectodea caliginosa) and juvenile earthworms were significantly enhanced by layer cultivation compared with ploughing and two-layer ploughing. Species numbers rose from 4 (ploughing) to 5–6 (two-layer ploughing) and 6–7 (layer cultivation), respectively.
Findings
What changed what, as the paper reports it. Grouped by the measured property. The largest groups are open; open the others as you need them.
fresh biomass of adult earthworms
↑ 1= 23
- increase
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