Abstract:

To explore the impact of soybean yield on different orientation of the ridge ,the leaf area index, dry matter accumulation, the content of chlorophyll the yield and its characters of soybean with different ridges cultivation were tested, the result showed that: The size of leaf area index were in 7.0 above，in the podding period southwest to northeast ridges the highest was 6.52, dry matter accumulation was highest 18.38 g of northeast to southwest ridges in flowering period, and 30.98g of southwest to northeast ridges in podding period, the content of chlorophyll change still performance highest for the northeast to southwest ,the highest hectares yield were 2746.0 kilograms of Northeast to southwest ridges , Compared with other ridges average yield increased 22.51 kilograms.