Effect of Original Ridge Tillage on the Growth and Yield of Soybean

In order to understand the increasing yield situation of original ridge tillage,a field experiment was conducted at Bawusan farm of Hongxinglong branch bureau of Heilongjiang state farms.The results showed that plant height,dry matter and leaf area of original ridge tillage were lower than traditional tillage during seedling and early flowering but became higher after pod-setting stage.The soil water content of original ridge tillage was higher than those of in traditional tillage,but soil bulk density of original ridge tillage was lower than that of traditional tillage.It was also found that the yield of original ridge tillage was higher than that of traditional tillage,the increasing rate was 10%.