earthworm

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earthworm

(ûrth′wûrm′)
n.
Any of various terrestrial annelid worms of the class Oligochaeta, especially those of the family Lumbricidae, that burrow into and help aerate and enrich soil.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

earthworm

any ANNELID of the order Oligochaeta.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
H% is the soil moisture at time of earthworms removal; [W.sub.m] is soil moist weight; [W.sub.d] is soil dry weight.
Nutrition Studies with Earthworms. The American Biology Teacher, 42(9), 564-565.
Composting with earthworms reduces C:N ratio and causes an increase in nitrogen content for better growth of plants (Gandhi et al., 1997; Crescent, 2003; Nagavallemma et al., 2004).
Native earthworms disappeared from most of northern North America 10,000 years ago, during the ice age.
'Earthworms and black soldier flies decompose the waste, adding fertility to the soil.
agrestis are also parthenogenic, yet conditions must be met for clitellate earthworms to reproduce and for cocoons to hatch.
3 million for the earthworms project without a needs assessment.Out of this, Sh2.5 million was for the supply of 1,000 eco-tosha materials for earthworms and Sh1.8 million was spent on 600 plastic drums.
Therefore, in this paper we aimed to verify the effectiveness of sieves with different mesh sizes in retaining earthworm chaetae, and provide some methodological recommendations for improving the precise assessment of the contribution of earthworms to carnivore diets.
Several studies have reported that the bioactive compounds and antimicrobial properties of earthworms can inhibit pathogenic bacteria.
In particular, earthworms and arbuscular mycorrhizal fungi (AMF) have a major influence on soil physical properties and nutrient availability (Milleret et al.
Inspired by the empirical wisdom of traditional Eastern medicine, modern Japanese researchers started searching for active ingredients that could account for the observed properties of earthworms. Finally, in 1983 Dr.
the earthworms (Pfiffiner et al., 2014) as the earthworm has significant effect on richness and porosity of soil (Wang et al., 2004).