Abstract
Summary. During the period 1956‐61, twelve replicated field experiments were conducted to determine the response of spring‐sown broad beans (Vicia faba L.) and annual weeds to various pre‐ and post‐emergence herbicides. On a sandy loam, the best results were given by pre‐emergence applications of simazine 0.75 lb/ac, trietazine 1.5 lb/ac, chlorpropham 1 lb+diuron 0.2 lb/ac or dinoseb‐amine 4 lb/ac. Amiben proved insufficiently selective, while chlorpropham+fenuron caused greater crop injury than the corresponding mixture with diuron. Post‐emergence application of dinoseb‐amine was less satisfactory than the best of the pre‐emergence treatments.Le désherbage chimique des fèves semées au printemps
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