| culture en retard de végétation = backward crops |
| crème protectrice = barrier cream |
| courroie = belt |
| cellule (stockage) = bin |
| crucifères = brassicas |
| calcaire = calcareous |
| chardon des champs = canada thistle |
| carotte = carrot |
| culture dérobée = catch crop |
| CMV = cauliflower mosaic virus |
| cellule = cell |
| céréales = cereals, cereal grains |
| certifié = certified |
| craie = chalk |
| chlorose = chlorosis |
| conditions climatiques = climatic conditions |
| conditions climatiques = climatic conditions |
| concurrence = competition |
| consommation = consumption |
| convoyeur = conveyor |
| carence en cuivre = copper deficiency |
| coquelicot = corn poppy |
| cotylédons = cotyledons |
| chiendent = couch |
| culture = crop |
| couverture du sol (par culture) = crop cover |
| corbeau = crow |
| courbe = curve |
| cuticule = cuticule |
| cycle = cycle |
| culture endommagée = damaged crop |
| carence = deficiency (of nutrients, trace elements) |
| complexe parasitaire = disease complex |
| concentré émulsionnable = emulsifiable concentrate |
| chénopode = fathen |
| capacité de rétention en eau = fiels capacity |
| caractéristiques agronomiques = general trial description |
| calibrer = grade |
| calibreur = grader |
| chaux = lime |
| chaulage = liming |
| concentré émulsionnable = miscible oil, emulsifiable concentrate |
| colza (plante) = oilseed rape, OSR |
| cas (maladie) = outbreak |
| charrue = plough |
| colza = rape |
| charrue butteuse = ridger |
| collet de racine = root collar |
| charbon = smut |
| couverture du sol (en général) = soil cover |
| chaume = stubble |
| collet de betteraves à sucre = sugar beet top |
| chardon = thistle |
| casser les mottes = to break up clods |
| coloniser = to colonise |
| creuser = to dig down |
| chauler = to lime |
| couche arable = topsoil |
| couverture du sol par adventices = weed cover |
| charançon = weevil |
| cours mondiaux = world prices |
