【摘 要】
：
我市位于胶东半岛东部的丘陵地区,全市耕地面积98万亩,山丘地较多,生产条件较差。全年无霜期195天左右,年平均气温11.1℃,≥0℃以上积温4217.5℃,此温度条件,1年1作有余,1年
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我市位于胶东半岛东部的丘陵地区,全市耕地面积98万亩,山丘地较多,生产条件较差。全年无霜期195天左右,年平均气温11.1℃,≥0℃以上积温4217.5℃,此温度条件,1年1作有余,1年2作不足。年降水800～950毫米,多集中在7、8、9三个月,春秋干旱,夏季多雨,历年的玉米制种只能春配,不能夏配。随着生产条件的改善,粮、油单位面积产
Our city is located in the hilly area in the eastern part of Jiaodong Peninsula. The city has a cultivated area of 980,000 mu with more hills and poor production conditions. The annual frost-free period of about 195 days, the annual average temperature of 11.1 ℃, ≥ 0 ℃ above the accumulated temperature 4217.5 ℃, the temperature conditions, 1 year 1 for more than 1 year 2 for the deficiencies. Annual precipitation of 800-950 mm, mostly concentrated in the 7,8,9 three months, spring and autumn drought, rainy summer, calendar year of maize seed can only spring with, not summer with. With the improvement of production conditions, grain, oil unit area production
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