Studying on returning and reducing fertilizer of Chinese milk vetch in grape orchard

In this paper, incorporating different amounts of Chinese milk vetch in grape orchard and reducing nitrogen fertilizer application were carried out. The results showed that it could be beneficial to improve yield and quality of grape and best accumulate soil nutrient when 1500 kg per 667 m² Chinese milk vetch was incorporated into soil and 75% normal amount of fertilizer was simultaneously applied.