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Effects of direct drilling and ploughing on populations of earthworms



Effects of direct drilling and ploughing on populations of earthworms



Tidsskrift for Planteavl 91(1): 3-14



Earthworm densities were estimated in direct drilled and ploughed plots on five different soils (sandy or loamy) over three successive years (1984-86). During the study period the number of earthworms declined, which was probably due to two cold winters, 1984/85 and 1985/86, and a very dry summer in 1986. In direct drilled sandy soil, however, density was 6 per msuperscript 2 in 1986, while in 1984 none were found.

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Accession: 001580535

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