In USA, crop is mowed or preferably pulled. When dry, crop is threshed with combine or stationary thresher, preferably with rubber-lined beaters. In Great Britain, clover huller, properly adjusted, can also be used to remove the beards. After removal of coarse material, seed can be cleaned over a winnower. The sugars could be rather readily converted to alcohol.
Pollinators are honeybees and other hymenoptera, and some diptera.
Bee colonies should be supplied, if natural pollinators are not adequate. Chlorisis may be caused by magnesium deficiency and causes of black-heart and root girdle are not known. Cuscuta gronovii, C. arvensis, and Orobanche muteli are known to parasitize carrots. The wealth of India. Duke, J.A. 1978.