即墨市受嶗(lao)山(shan)(shan)(shan)山(shan)(shan)(shan)脈與(yu)膠濰河(he)谷盆地(di)(di)的(de)影響,地(di)(di)勢由東(dong)(dong)南向西北傾斜,形成了(le)低山(shan)(shan)(shan)丘(qiu)陵(ling)與(yu)平(ping)原洼(wa)地(di)(di)相結合的(de)三大類(lei)地(di)(di)形:東(dong)(dong)部(bu)低山(shan)(shan)(shan)丘(qiu)陵(ling)區:面積為626km2,占全市總面積的(de)35.2%。地(di)(di)面高(gao)程(cheng)在(zai)海拔0~327m之間(jian),區內山(shan)(shan)(shan)嶺(ling)、溝壑、階地(di)(di)、梯田(tian)(tian)層疊交(jiao)錯,山(shan)(shan)(shan)前平(ping)地(di)(di)分布在(zai)河(he)谷間(jian)和沿(yan)海一(yi)帶,丘(qiu)陵(ling)梯田(tian)(tian)和山(shan)(shan)(shan)前平(ping)地(di)(di),土層較厚(hou),適(shi)宜大多(duo)數農作(zuo)物生長。
即墨地瓜生產區域地處山東(dong)半島(dao)西(xi)南部(bu)(bu),黃(huang)海(hai)西(xi)岸,屬暖溫(wen)(wen)(wen)帶(dai)季(ji)(ji)(ji)風(feng)(feng)(feng)氣(qi)(qi)候,加(jia)之(zhi)海(hai)洋(yang)環境的影(ying)響(xiang),又具有(you)顯著的海(hai)洋(yang)性氣(qi)(qi)候特點,光照充足(zu),熱量(liang)(liang)豐富,溫(wen)(wen)(wen)暖濕潤(run),四季(ji)(ji)(ji)分(fen)明。春季(ji)(ji)(ji)多(duo)風(feng)(feng)(feng)少(shao)雨,氣(qi)(qi)溫(wen)(wen)(wen)回升慢,空氣(qi)(qi)干燥,多(duo)旱;夏季(ji)(ji)(ji)濕熱多(duo)雨,但持續時間(jian)短,約集中全年(nian)60%的降(jiang)水(shui),災害性天(tian)(tian)氣(qi)(qi)較(jiao)多(duo);秋(qiu)季(ji)(ji)(ji)溫(wen)(wen)(wen)和涼爽,降(jiang)水(shui)漸少(shao),蒸發(fa)強,常(chang)受旱災威脅(xie);冬(dong)季(ji)(ji)(ji)風(feng)(feng)(feng)大溫(wen)(wen)(wen)低,持續時間(jian)長。常(chang)年(nian)平(ping)均(jun)(jun)氣(qi)(qi)溫(wen)(wen)(wen)12℃,年(nian)際變化在11℃~12.7℃之(zhi)間(jian);無(wu)霜期196d~234d,農耕期279d~290d,年(nian)平(ping)均(jun)(jun)日照時數2663h,東(dong)部(bu)(bu)少(shao)、西(xi)部(bu)(bu)多(duo);年(nian)平(ping)均(jun)(jun)降(jiang)水(shui)量(liang)(liang)667.9mm,東(dong)部(bu)(bu)為773mm、西(xi)部(bu)(bu)為613mm,年(nian)平(ping)均(jun)(jun)蒸發(fa)量(liang)(liang)1772mm;年(nian)平(ping)均(jun)(jun)風(feng)(feng)(feng)速(su)2.2m/s,以西(xi)南風(feng)(feng)(feng)為主導風(feng)(feng)(feng)向(xiang);地溫(wen)(wen)(wen)變化趨(qu)勢與氣(qi)(qi)溫(wen)(wen)(wen)變化基本一(yi)致(zhi),且均(jun)(jun)與降(jiang)水(shui)量(liang)(liang)變化呈現(xian)一(yi)致(zhi)性,水(shui)溫(wen)(wen)(wen)同季(ji)(ji)(ji),對地瓜生長十分(fen)有(you)利。主要災害性天(tian)(tian)氣(qi)(qi)有(you)旱澇、大風(feng)(feng)(feng)、干熱風(feng)(feng)(feng)、暴雨、冰雹(bao)、霜凍等。
青島(dao)市即墨市所轄田(tian)橫鎮(zhen)(zhen)(zhen)、金口鎮(zhen)(zhen)(zhen)、鰲山衛(wei)街(jie)道(dao)、溫泉(quan)街(jie)道(dao)、龍泉(quan)街(jie)道(dao)、龍山街(jie)道(dao)、北(bei)安街(jie)道(dao)、大信鎮(zhen)(zhen)(zhen)、藍村鎮(zhen)(zhen)(zhen)、段泊嵐鎮(zhen)(zhen)(zhen)、移風店鎮(zhen)(zhen)(zhen)、靈山鎮(zhen)(zhen)(zhen)共(gong)計12個鎮(zhen)(zhen)(zhen)(街(jie)道(dao))812個行政村。地理坐標為東經120°07′~121°23′,北(bei)緯36°18′~36°37′。
即墨地瓜主要種植品(pin)種普薯32,表皮光滑(hua),顏色純正,營(ying)養豐富,口(kou)感(gan)具有香、軟、粘、滑(hua)四大特點。富含膳食纖維、胡蘿卜素(su)、維生素(su)A、B、C、E以(yi)及鉀、 鐵、鈣(gai)等(deng)多(duo)種微(wei)量元素(su),具有抗癌、保護心臟及預防肺氣(qi)腫(zhong)、糖(tang)尿(niao)病等(deng)功效。