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一、概况在世界水果生产中,葡萄是经济效益很高的树种,它的栽培面积与产量均占世界首位,栽培面积1.5亿亩.总产650亿公斤,平均亩产430公斤,最高的是荷兰,亩产1800公斤。我国约有葡萄100万亩,平均亩产400公斤,主要产地是山东省和新疆.世界葡萄酒年产3500万吨,在世界经济贸易中的地位非常突出。龙口市葡萄栽培有悠久的历史,以品种全、质量好、产量高而闻名,20年前就是张裕葡盛酒公司的原料产地。现在全市已有葡萄4万亩,80多个品种,年总产量达3250万公
I. Introduction In the world of fruit production, grapes are the most cost-effective tree species with cultivated area and output accounting for the largest in the world with a cultivated area of 150 million mu, a total output of 650 billion kg and an average yield of 430 kg per mu, the highest being Netherlands, 1800 kg per mu. About 1 million mu of grapes are produced in our country, with an average yield of 400 kg per mu. The main producing areas are Shandong Province and Xinjiang, with an annual output of 35 million tons of wines, which is very prominent in the world economy and trade. Longkou grape cultivation has a long history, with all varieties, good quality, high yield and famous, 20 years ago is the raw material of Changyu Portuguese wine company. Now the city has 40,000 acres of grapes, more than 80 varieties, the total output of 32.5 million