Agricultural and Food Science - Selaus tekijän mukaan "Williams, Ingrid"

    • Insect pests and their natural enemies on spring oilseed rape in Estonia : impact of cropping systems 

      Veromann, Eve; Tarang, Tiiu; Kevväi, Reelika; Luik, Anne; Williams, Ingrid
      Agricultural and Food Science : 1 (MTT Agrifood Research FinlandThe Scientific Agricultural Society of Finland, 2006)
      To investigate the impact of different cropping systems, the pests, their hymenopteran parasitoids and predatory ground beetles present in two spring rape crops in Estonia, in 2003, were compared. One crop was grown under ...