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Milled cereal straw accelerates earthworm ( Lumbricus terrestris ) growth more than selected organic amendments

View Article: PubMed Central - PubMed

ABSTRACT

Farmyard manure increased earthworm populations more than straw in the field.

Milled straw increased earthworm growth more than milled manures in microcosms.

Earthworm growth rates are positively correlated with amendment calorific value.

Straw only benefits earthworm growth when milled.

Incorporating milled straw in arable soils may increase earthworm populations.

Incorporating milled straw in arable soils may increase earthworm populations.

No MeSH data available.


Change in the biomass of Lumbricus terrestris earthworms over the course of a 12 week. Either no food (i.e. control treatments), straw, farmyard manure, anaerobic digestate, or compost was added to each microcosm at the start of the experiment at a rate equivalent to 2, 4, 6 and 8 g C kg−1. Each data point is the mean of four replicates. Error bars are standard errors of the mean.
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fig0015: Change in the biomass of Lumbricus terrestris earthworms over the course of a 12 week. Either no food (i.e. control treatments), straw, farmyard manure, anaerobic digestate, or compost was added to each microcosm at the start of the experiment at a rate equivalent to 2, 4, 6 and 8 g C kg−1. Each data point is the mean of four replicates. Error bars are standard errors of the mean.

Mentions: The change in earthworm biomass over the 12 week course of the experiment for all 65 treatments treatment is presented in Figure A1 and displayed for selected treatments in Fig. 3. The addition of manures (farmyard manure, compost and anaerobic digestate: p < 0.001), the rate of manure amendment (p < 0.05), and rate of straw amendment (p < 0.001), all significantly affected earthworm biomass during the experiment, with high rates resulting in greater earthworm biomass. The amendments increased earthworm biomass, relative to the unamended control, in the order straw > farmyard manure > anaerobic digestate > compost (Fig. 3).


Milled cereal straw accelerates earthworm ( Lumbricus terrestris ) growth more than selected organic amendments
Change in the biomass of Lumbricus terrestris earthworms over the course of a 12 week. Either no food (i.e. control treatments), straw, farmyard manure, anaerobic digestate, or compost was added to each microcosm at the start of the experiment at a rate equivalent to 2, 4, 6 and 8 g C kg−1. Each data point is the mean of four replicates. Error bars are standard errors of the mean.
© Copyright Policy - CC BY
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5391807&req=5

fig0015: Change in the biomass of Lumbricus terrestris earthworms over the course of a 12 week. Either no food (i.e. control treatments), straw, farmyard manure, anaerobic digestate, or compost was added to each microcosm at the start of the experiment at a rate equivalent to 2, 4, 6 and 8 g C kg−1. Each data point is the mean of four replicates. Error bars are standard errors of the mean.
Mentions: The change in earthworm biomass over the 12 week course of the experiment for all 65 treatments treatment is presented in Figure A1 and displayed for selected treatments in Fig. 3. The addition of manures (farmyard manure, compost and anaerobic digestate: p < 0.001), the rate of manure amendment (p < 0.05), and rate of straw amendment (p < 0.001), all significantly affected earthworm biomass during the experiment, with high rates resulting in greater earthworm biomass. The amendments increased earthworm biomass, relative to the unamended control, in the order straw > farmyard manure > anaerobic digestate > compost (Fig. 3).

View Article: PubMed Central - PubMed

ABSTRACT

Farmyard manure increased earthworm populations more than straw in the field.

Milled straw increased earthworm growth more than milled manures in microcosms.

Earthworm growth rates are positively correlated with amendment calorific value.

Straw only benefits earthworm growth when milled.

Incorporating milled straw in arable soils may increase earthworm populations.

Incorporating milled straw in arable soils may increase earthworm populations.

No MeSH data available.