| toxicité aiguë par ingestion = acute oral toxicity |
| traitement = application |
| traitement localisé = band application |
| test biologique = bioassay |
| tête d'assolement = break crop |
| terre calcaire = calcareous soil |
| trèfle = clover |
| tourterelle turque = collared dove |
| travail à l'entreprise = contract work |
| témoin (parcelle) = control plot |
| test biologique des racines de maïs = corn root bioassay |
| travail du sol = cultivation |
| toxicité cutanée = dermale toxicity |
| terre inculte = fallow |
| traitement par la chaleur = heat therapy |
| terre lourde = heavy land |
| trémie = hopper |
| tardif = late |
| tipule = leatherjacket |
| terre meuble = light land |
| température) = mild (weather, temperature) |
| teneur en eau = moisture content |
| trèfle incarnat = red clover |
| traitement de semences = seed dressing |
| teneur en eau du sol = soil moisture content |
| trieur = sorter |
| tige = stem, stalk |
| taux de sucre = sugar level |
| talle = tiller |
| tallage = tillering |
| toucher = to affect |
| traiter = to dress seed, to spray (a crop), to apply a spray |
| trier = to sort |
| travailler le sol = to till, to cultivate, to work the soil |
| taller = to tiller |
| tolérant = tolerant |
| tubercules = tubers |
| TMV = turnip mosaic virus |
| témoin = untreated control |
| terre inculte = waste land |
| taupin = wireworm |
