摘要: WHILE investigating the removal of leaves by earthworms from the soil surface of some apple orchards at Wisbech (Cambs.) an estimate of the population of Lumbricus terrestris was …
harvard.edu
nature.com
sci-hub.se 参考文章(2)
J. A. SVENDSEN, Earthworm Population Studies: a Comparison of Sampling Methods Nature. ,vol. 175, pp. 864- 864 ,(1955) , 10.1038/175864A0
A. C. EVANS, W. J. McL. GUILD, Studies on the relationships between earthworms and soil fertility; biological studies in the field. Annals of Applied Biology. ,vol. 3, pp. 307- 330 ,(1947) , 10.1111/J.1744-7348.1947.TB06367.X