彰武县无霜期135～145天,4～9月份≥10℃的活动积温3,000～3,300℃.在此期间的生理辐射量为40～44大卡/Cm~2.全年降水量400～600毫米.这样的光能、热量和水分等自然资源对向日葵生长十分有利.几年来,出现较大面积向日葵亩产百斤油脂的高产田,可见,油脂增产的潜力很大. The frost-free period of Zhangwu County is 135 to 145 days, and the active accumulated temperature of ≥10 ℃ during April to September is 3,000 to 3,300 ° C. The physiological radiation during this period is 40 to 44 kcal / cm 2. The annual precipitation is 400 to 600 mm Such natural resources like solar energy, heat and water are very beneficial to the growth of sunflower.For several years, there has been a high-yield field with a large area of ​​sunflower yield per kilogram of oil, showing that there is great potential for increasing oil yield.