Earthworms increase plant production: a meta- analysis
Jan Willem van Groenigen,Ingrid M. Lubbers,Hannah M. J. Vos,George G. Brown,Gerlinde B. De Deyn,Kees Jan van Groenigen +5 more
TL;DR: It is shown, using meta-analysis, that on average earthworm presence in agroecosystems leads to a 25% increase in crop yield and a 23% increased in aboveground biomass and this suggests that earthworms stimulate plant growth predominantly through releasing nitrogen locked away in residue and soil organic matter.
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Abstract: To meet the challenge of feeding a growing world population with minimal environmental impact, we need comprehensive and quantitative knowledge of ecological factors affecting crop production. Earthworms are among the most important soil dwelling invertebrates. Their activity affects both biotic and abiotic soil properties, in turn affecting plant growth. Yet, studies on the effect of earthworm presence on crop yields have not been quantitatively synthesized. Here we show, using meta-analysis, that on average earthworm presence in agroecosystems leads to a 25% increase in crop yield and a 23% increase in aboveground biomass. The magnitude of these effects depends on presence of crop residue, earthworm density and type and rate of fertilization. The positive effects of earthworms become larger when more residue is returned to the soil, but disappear when soil nitrogen availability is high. This suggests that earthworms stimulate plant growth predominantly through releasing nitrogen locked away in residue and soil organic matter. Our results therefore imply that earthworms are of crucial importance to decrease the yield gap of farmers who can't -or won't- use nitrogen fertilizer.
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References
Food Security: The Challenge of Feeding 9 Billion People
H Charles J Godfray,John Beddington,I. R. Crute,Lawrence Haddad,David Lawrence,James F. Muir,Jules Pretty,Sherman Robinson,Sandy M Thomas,Camilla Toulmin +9 more
TL;DR: A multifaceted and linked global strategy is needed to ensure sustainable and equitable food security, different components of which are explored here.
•Book
Statistical Methods for Meta-Analysis
Larry V. Hedges,Ingram Olkin +1 more
- 01 Jan 1985
TL;DR: In this article, the authors present a model for estimating the effect size from a series of experiments using a fixed effect model and a general linear model, and combine these two models to estimate the effect magnitude.
10.7K
The file drawer problem and tolerance for null results
TL;DR: Quantitative procedures for computing the tolerance for filed and future null results are reported and illustrated, and the implications are discussed.
Memory, Visual Discrimination Performance, and the Human Hippocampus
Soyun Kim,Annette Jeneson,Anna S. van der Horst,Jennifer C. Frascino,Ramona O. Hopkins,Larry R. Squire +5 more
TL;DR: The results suggest that previous reports of impaired discrimination performance after medial temporal lobe damage may reflect impaired learning rather than impaired visual perception, and support the fundamental idea that memory is a distinct cerebral function separable from other perceptual and cognitive abilities.
4.1K