Combined effects of agrochemicals and ecosystem services on crop yield across Europe

Vesna Gagic (Co-auteur), David Kleijn, András Báldi, Gergely Boros, Helene Bracht Jørgensen, Zoltán Elek, Michael P. D. Garratt, G. Arjen de Groot, Katarina Hedlund, Anikó Kovács- Hostyánszki, Lorenzo Marini, Emily Martin, Ines Pevere, Simon G. Potts, Sarah Redlich, Deepa Senapathi, Ingolf Steffan-Dewenter, Stanislaw Świtek, Henrik G. Smith, Viktória TakácsPiotr Tryjanowski, Wim H. van der Putten, Stijn van Gils, Riccardo Bommarco

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgaveArtikelWetenschappelijkpeer review

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Samenvatting

Simultaneously enhancing ecosystem services provided by biodiversity below and above ground is recommended to reduce dependence on chemical pesticides and mineral fertilisers in agriculture. However, consequences for crop yield have been poorly evaluated. Above ground, increased landscape complexity is assumed to enhance biological pest control, whereas below ground, soil organic carbon is a proxy for several yield-supporting services. In a field experiment replicated in 114 fields across Europe, we found that fertilisation had the strongest positive effect on yield, but hindered simultaneous harnessing of below- and above-ground ecosystem services. We furthermore show that enhancing natural enemies and pest control through increasing landscape complexity can prove disappointing in fields with low soil services or in intensively cropped regions. Thus, understanding ecological interdependences between land use, ecosystem services and yield is necessary to promote more environmentally friendly farming by identifying situations where ecosystem services are maximised and agrochemical inputs can be reduced.
Originele taal-2Engels
Pagina's (van-tot)1427-1436
Aantal pagina's10
TijdschriftEcology Letters
Volume20
Nummer van het tijdschrift11
DOI's
StatusGepubliceerd - 12 sep. 2017

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