Effect of Density and Sowing Date on Yield and Yield Characters of Soybean Variety Henong 63

In order to extend the area of soybean varieties Henong 63,the density and sowing date of Henong 63were tested.The result showed that:the performance of 300 000 plants·hm-2 was the best,its yield and yield characters were better than others;the yield and yield characters were the best on May 8,the lowest yield on May 21.The yield would be down with the sowing date delay,when the density was 300 000 plants·hm-2 in the moderate fertilizer.In order to get higher yield,it should be timely sowing in appropriate growth period.