| wireweed = renouée des oiseaux |
| to weigh = peser |
| to wilt = flétrir, se faner |
| warehouse = entrepôt |
| waste land = terre inculte |
| water table = nappe phréatique |
| watering = aspersion |
| weed control = désherbage |
| weed cover = couverture du sol par adventices |
| weeds = mauvaises herbes |
| weevil = charançon |
| weighbridge = pont bascule |
| wettable powder = poudre miscible |
| wheat = blé, froment |
| wheat bran = son de blé |
| wheat bulb fly = mouche grise |
| whitefly = aleurode |
| wholemeal bread = pain complet |
| wholesale price = prix de gros |
| wholesaler = grossiste |
| wild oat = folle avoine |
| winged aphid = puceron ailé |
| wingless aphid = puceron aptère |
| winter (6 row) barley = escourgeon |
| wireworm = taupin |
| world prices = cours mondiaux |