Effect of sowing and harvesting dates on yield canola(brassica napus l

Eight field experiments were carried out at the experimental Farm, Faculty of Agriculture, Zagazig University, at Al-Khattara, Sharkia Governorate, Egypt during 2003/2004 and 2004/2005 winter seasons to study the effect of sowing date (first October, mid October, first November, mid November) and harvesting date (13, 16, 19 and 22 day from full siliquae set) as well as their interaction between them on yield of Pactol canola cultivar..