https://www.farminguk.com/news/time-to-use-fazor-in-root-crops_4451.html
Time to use fazor in root crops - FarmingUK News
Oct 3, 2007 - Carrot and parsnip growers are informed that the time for applying Fazor (maleic hydrazide) to root crops to suppress re-growth and to help maintain quality
time toroot cropsusefazornews