| abscission = abscission |
| acaricide = acaricide |
| active ingredient = matière active |
| acute oral toxicity = toxicité aiguë par ingestion |
| ADAS = Equivalent britannique de la PV (Protection des végétaux) |
| Agricultural development and Advisory Services = Equivalent britannique de la PV (Protection des végétaux) |
| adjuvant = adjuvant |
| aerosol = aérosol |
| aftermath = regain |
| agitator = agitateur |
| agricultural chemical industry = industrie agrochimique |
| agronomical factors = facteurs agronomiques |
| alfafa = luzerne |
| algicide = algicide |
| alkaline = alcalin |
| amino acid = acide aminé |
| annual = annuelles |
| annual bluegrass = pâturin annuel |
| annual grasses = graminées annuelles |
| annual meadow grass = pâturin |
| annual rye grass = ray-grass anglais |
| antagonism = antagonisme |
| anthocyanins = anthocyanes |
| antibiotic = antibiotique |
| antidote = antidote |
| antisporulant = antisporulant |
| aphicide = aphicide |
| aphid = puceron |
| application = application, traitement |
| application rate = dose d'emploi |
| approved product = produit homologué |
| area = zone |
| attractant = phéromone |
| availibility of resources = disponibilité des ressources |
| availibility of supplies = disponibilité des ressources |
| average = moyenne |
| average values observed = moyennes observées |
| to affect = toucher |
| to approve = homologuer |
| to assess = évaluer |
