目前,浙江省奉化市蔬菜种植面积已达3 734.公顷,其中大堰、溪口、尚田等地的高山蔬菜134公顷,叶菜类种植666.67公顷,产量13 740吨,白菜面积67公顷,平均每亩(1亩=667平方米,下同)产量3 300千克,每亩产值2 000元。蔬菜生产是当地农户重要收入之一,但是多数园艺坊和菜农的菜地每年都要受到菜青虫不同程度的危害。 At present, the planted area of ​​vegetables in Fenghua, Zhejiang Province has reached 3 734 hectares, of which 134 hectares are alpine vegetables in Dayan, Xikou and Shangtian, 666.67 hectares of leafy vegetables, 13 740 tons of cabbage and 67 hectares of cabbage, with an average of Per acre (1 mu = 667 m 2, the same below) yields 3 300 kg, with an output value of 2 000 yuan per mu. Vegetable production is one of the important incomes of local farmers, but most of the horticultural and vegetable farms suffer from different degrees of cabbage and pest insects every year.