Action

Other biodiversity: Add manure to the soil

How is the evidence assessed?
  • Effectiveness
    60%
  • Certainty
    10%
  • Harms
    0%

Source countries

Key messages

Amphibians (0 studies)

Birds (0 studies)

Invertebrates (0 studies)

Mammals (0 studies)

Plants (1 study): One replicated, randomized, controlled study from Spain found more plant species in plots with added manure, compared to plots without added manure, in one of three comparisons.

Reptiles (0 studies)

Implementation options (0 studies)

 

About key messages

Key messages provide a descriptive index to studies we have found that test this intervention.

Studies are not directly comparable or of equal value. When making decisions based on this evidence, you should consider factors such as study size, study design, reported metrics and relevance of the study to your situation, rather than simply counting the number of studies that support a particular interpretation.

Supporting evidence from individual studies

  1. A replicated, randomized, controlled study in 1998–2001 in a wood pasture in Spain found more plant species in plots with added manure, compared to plots without added manure. Plants: More plant species were found in plots with added manure, compared to plots without added manure, in one of three comparisons (20 vs 17 species). Methods: Plots (1 x 1 m) had added manure (90 g in a 50 x 50 cm section of each plot) or no added manure (40 replicates each). Vegetation was sampled in spring 1998, 1999, and 2001 (20 x 20 cm quadrats). The vegetation consisted of Holm Oak Quercus ilex and dry annual grasses.

    Study and other actions tested
Please cite as:

Shackelford, G. E., Kelsey, R., Robertson, R. J., Williams, D. R. & Dicks, L. V. (2017) Sustainable Agriculture in California and Mediterranean Climates: Evidence for the effects of selected interventions. Synopses of Conservation Evidence Series. University of Cambridge, Cambridge, UK.

Where has this evidence come from?

List of journals searched by synopsis

All the journals searched for all synopses

Mediterranean Farmland

This Action forms part of the Action Synopsis:

Mediterranean Farmland
Mediterranean Farmland

Mediterranean Farmland - Published 2017

Mediterranean Farmland synopsis

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What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, terrestrial mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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