Effects of Different Planting Date and Density on Yield of Wanyou 29

By randomized block design of 3 different sowing dates,3 kind of sowing quantitoes of 2 factors and 3 levels of 9 processings,the test studied the influence of planting date and density on Wanyou 29 yield.The results showed that sowing date,sowing date and sowing quantity interaction had significant effects on the yield of rapeseed,which reached the extremely significant level;Based on the sowing seeds condition of Wanyou 29,early sowing could gain high yield through proper.When the sowing date was 25th Sep.,the planting quantity was 3.0 kg/hm2,the highest yield was obtained in Wanyou 29.