Influences of the organic fertilizers treatments, the concentrations and chemical structures of soil organic matter, and the insecticides soil persistences and efficiencies in cauliflower crops

action des pesticides amendement organique analyse de sol belgique belgium brassica oleracea botrytis carbofuran carbofurano chlorfenvinphos chlorpyrifos clorfenvinfos clorpirifos engrais organique essai insecticidas insecticide insecticides organic amendments organic fertilizers persistance des pesticides persistencia de los plaguicidas pesticide actions pesticide persistence pesticide synergists pruebas soil testing synergiste de pesticides trials