Abstract
Viable seeds which fall on to the soil surface may germinate, die, be lost or pass into the seed bank (Sagar, 1970). Seeds at the soil surface are more vulnerable to predation by birds, rodents and insects and to germination in unfavourable conditions (Roberts, 1970). Seed burial is a potent factor in prolonging the survival of seeds (Harper, 1957). The studies of Brenchley (1918), Chippendale and Milton (1934) and Rabotnov (1969) have shown that vast numbers of viable seeds lie buried in soil.
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Grant, J.D. (1983). The activities of earthworms and the fates of seeds. In: Satchell, J.E. (eds) Earthworm Ecology. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5965-1_9
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DOI: https://doi.org/10.1007/978-94-009-5965-1_9
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