Table II. Mean effect of Alar rates applied 53 days from seeding on yield and quality of carrot roots. (Exp.. 582.a) R+ r- C + t i* Total Total U.S. No. 1 U.S. Jumbo Marketable Length Lbs. Lbs. No. Lbs. No. Lbs. Tons/A (in) Dia- Inside meter Color (in) 1/ 0 1000 2000 4000 Significance 38.1 28.2 38.9 27.4 41.5 30.0 42.0 30.6 at 5% 2.8 3.4 3.2 .2.7 .31.0. 30.8 33.2 33.3 18.0 7.5 1.1 17.9 7.4 1.1 .19.3 7.3 1.1 19.3 7.3 1.2 4 7.0 4 7.5 4 7.4 5 ,. 7.9 1/ 1 = poor to 5 = excellent. Alar ppm Cull Lbs. i,