Study

Compost amendment enhances natural revegetation of a Mediterranean degraded agricultural soil

  • Published source details Baldantoni D., Bellino A., Morra L. & Alfani A. (2015) Compost amendment enhances natural revegetation of a Mediterranean degraded agricultural soil. Environmental Management, 56, 946-956.

Actions

This study is summarised as evidence for the following.

Action Category

Other biodiversity: Use organic fertilizer instead of inorganic

Action Link
Mediterranean Farmland

Other biodiversity: Add compost to the soil

Action Link
Mediterranean Farmland
  1. Other biodiversity: Use organic fertilizer instead of inorganic

    A replicated, randomized, controlled study in 2007–2013 in a fallow field in Campania, Italy, found more plants and plant biomass, but similar numbers of plant species, in plots with organic fertilizer, compared to inorganic fertilizer. Plants: More plants were found in plots with compost, compared to mineral fertilizer, in one of two years (2013: 1,023 vs 655 individuals/m2). More plant biomass was found in plots with compost, compared to mineral fertilizer, in both years (2012: 401 vs 126; 2013: 301 vs 162 g dry weight/m2). Similar numbers of plant species were found in plots with compost or mineral fertilizer (12–18 species). Methods: Compost was added to four plots (2007–2009: 30; 2010–2013: 15 Mg/ha dry weight). Mineral fertilizer was added to four other plots (NPK fertilizer, twice/year, 50 kg/ha). The plots were 10 x 5 m. The compost was made from municipal solid waste and urban yard trimmings. The compost was added, and plots were tilled, in April each year (20 cm depth). Horticultural crops were grown in 2007–2011. In March 2012 and 2013, all plants (spontaneous growth) were collected from 1 x 1 m quadrats in each plot.

     

  2. Other biodiversity: Add compost to the soil

    A replicated, randomized, controlled study in 2007–2013 in a fallow field in Campania, Italy, found more plants and plant biomass in plots with added compost, compared to plots without added compost. Plants: More plants were found in plots with added compost, compared to plots without it, in one of two years (2013: 1,023 vs 473 individuals/m2). More plant biomass was found in plots with added compost, compared to plots without it, in both years (2012: 401 vs 119 g dry weight/m2; 2013: 301 vs 111). Similar numbers of plant species were found in plots with or without added compost (12–21 species). Methods: Compost was added to four treatment plots (2007–2009: 30 Mg/ha dry weight; 2010–2013: 15 Mg/ha dry weight), but not to four control plots. The plots were 10 x 5 m. The compost was made from municipal solid waste and urban yard trimmings. The compost was added, and plots were tilled, in April each year (20 cm depth). Horticultural crops were grown in 2007–2011. In March 2012 and 2013, all plants (spontaneous growth) were collected from 1 x 1 m quadrats in each plot.

     

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