Agro-environmental scheme for segetal plant conservation in Wallonia (Belgium): An assessment in conventional and organic fields ; Mesure agro-environnementale en faveur des plantes messicoles en Wallonie (Belgique): Évaluation dans des champs d’agriculture conventionnelle et biologique

peer reviewed ; Description of the subject. Segetal plant species are highly threatened in arable land. They are an integral part of agricultural history and biodiversity in Western Europe. In Wallonia (southern Belgium), an agro-environmental scheme (AES) has been adopted for their conservation. It consists of strips on a field margin, with at least 60% cereals in crop rotation, and proscribes spraying and fertilisation. Objectives. This paper assessed the impact of an AES on segetal species conservation. Method. In eight organic fields and six conventional fields, a vegetation survey was per... Mehr ...