论文部分内容阅读
(2)东部苹果栽培区①区域范围和气候特点美国东部除佛罗里达州外的16个州,均进行苹果的商品生产,其中最重要的几个州是纽约、宾夕法尼亚、弗吉尼亚、北卡罗来纳和西弗吉尼亚。根据气候特点可以把整个东部地区分成两部分,从宾夕法尼亚中部往北,包括该州北部,纽约和新英格兰6个州。该地区生长期稍冷凉,从6月到8月平均温度为18.3~
(2) Eastern Apple Cultivars (1) Regional Range and Climatic Characteristics Apple production is performed in all 16 states in the eastern United States except Florida, with the most important states being New York, Pennsylvania, Virginia, North Carolina and West Virginia . According to climatic features, the entire eastern region can be divided into two parts, north of central Pennsylvania, including northern states, New York and New England. The growing area of the area a bit cold, from June to August the average temperature of 18.3 ~