白(bai)城市(shi)位(wei)于(yu)吉(ji)林(lin)省(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)西(xi)(xi)(xi)北(bei)(bei)(bei)部,嫩江平原西(xi)(xi)(xi)部,科(ke)爾沁(qin)草原東(dong)(dong)(dong)部。屬(shu)溫帶大陸性季(ji)風氣候。年均日(ri)照時數2919.4小時,年均氣溫4.9℃,無霜期157天,年均降水量(liang)407.9毫米,光熱(re)條件優越于(yu)全(quan)省(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)其他地區。坐(zuo)標(biao),東(dong)(dong)(dong)經121度(du)38秒至124度(du)22分,北(bei)(bei)(bei)緯44度(du)13分57秒至46度(du)18分。白(bai)城市(shi)位(wei)于(yu)吉(ji)林(lin)省(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)西(xi)(xi)(xi)北(bei)(bei)(bei)部,嫩江平原西(xi)(xi)(xi)部,科(ke)爾沁(qin)草原東(dong)(dong)(dong)部。東(dong)(dong)(dong)、東(dong)(dong)(dong)南與(yu)吉(ji)林(lin)省(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)松原市(shi)的(de)(de)前(qian)(qian)郭爾羅斯蒙古(gu)族自治縣(xian)(xian)、乾(qian)安縣(xian)(xian)接壤;南與(yu)吉(ji)林(lin)省(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)松原市(shi)的(de)(de)長嶺縣(xian)(xian)毗鄰。西(xi)(xi)(xi)、西(xi)(xi)(xi)北(bei)(bei)(bei)與(yu)內蒙古(gu)自治區的(de)(de)科(ke)爾沁(qin)右(you)翼中旗(qi)、突泉縣(xian)(xian)、科(ke)爾沁(qin)右(you)翼前(qian)(qian)旗(qi)相連;北(bei)(bei)(bei)、東(dong)(dong)(dong)北(bei)(bei)(bei)與(yu)黑(hei)龍江省(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)泰來縣(xian)(xian)、杜爾伯特蒙古(gu)族自治縣(xian)(xian)、肇源縣(xian)(xian)隔江相望。全(quan)市(shi)南北(bei)(bei)(bei)長230公里,東(dong)(dong)(dong)西(xi)(xi)(xi)寬211公里,總面(mian)積(ji)25685平方公里。
白城油葵(kui)籽(zi)粒(li)飽(bao)滿,果(guo)皮黑色,有(you)(you)光澤(ze),硬度適中。粒(li)形為長卵形或卵圓(yuan)形,在收獲、晾曬、清選和(he)運輸等過程中不易破損。具有(you)(you)油葵(kui)特有(you)(you)的(de)氣味,無霉變、酸(suan)敗。與其他(ta)(ta)地區生(sheng)產(chan)(chan)的(de)向日葵(kui)產(chan)(chan)品相比較,白城油葵(kui)最顯著的(de)特點是子實飽(bao)滿,出仁率高(gao),加工出的(de)產(chan)(chan)品中亞油酸(suan)、維生(sheng)素(su)E含(han)(han)量(liang)(liang)明顯高(gao)于其他(ta)(ta)地區的(de)油葵(kui)產(chan)(chan)品。據洮(tao)南(nan)市植物油加工廠(chang)化驗結果(guo),利用白城油葵(kui)生(sheng)產(chan)(chan)出來的(de)葵(kui)花(hua)油中亞油酸(suan)占脂肪(fang)酸(suan)含(han)(han)量(liang)(liang)的(de)73%,維生(sheng)素(su)E含(han)(han)量(liang)(liang)為129mg/L,而市場銷售的(de)其他(ta)(ta)葵(kui)花(hua)油中亞油酸(suan)占脂肪(fang)酸(suan)含(han)(han)量(liang)(liang)的(de)68%,維生(sheng)素(su)E含(han)(han)量(liang)(liang)僅為56mg/L。