Soil Acidification and Improvement Technology in Vineyard of Penglai City

In this paper, the scenario and changes concerning vineyard soil acidification in Penglai City were investigated, and a relevant experiment on soil improvement was carried out as well; thereafter, a corresponding countermeasure was suggested. The results showed that vineyard soil acidification in Penglai City is severe and is getting worse yearly. Soil improvement reduced the occurence of vineyard diseases to some extent, decreased the rate of diseased fruit and increased average fruit weight, fruit soluble solids and fruit sugar content.Better effect was found in alkaline organic fertilizer treatment than that of lime treatment, with a lower rate of diseased fruit and increase in average fruit weight, fruit soluble solids and fruit sugar content.