榆中(zhong)縣(xian)南部(bu)二(er)陰地區氣候冷涼濕潤,生產蔬菜(cai)病蟲害(hai)輕,農藥污染輕,具有(you)生產無公害(hai)大白(bai)菜(cai)得天獨厚的自然生態環境條件。榆中(zhong)大白(bai)菜(cai)具有(you)葉球炮彈形、合抱、葉幫潔白(bai)、外(wai)葉深綠、中(zhong)柱短、口感佳的特點(dian)。
榆(yu)中(zhong)(zhong)(zhong)大白菜產區(qu)地(di)(di)(di)處(chu)黃土高(gao)(gao)(gao)(gao)原(yuan)、內(nei)蒙(meng)古高(gao)(gao)(gao)(gao)原(yuan)、青藏(zang)高(gao)(gao)(gao)(gao)原(yuan)交匯(hui)處(chu)的(de)黃土高(gao)(gao)(gao)(gao)原(yuan),甘肅省中(zhong)(zhong)(zhong)部,屬蘭(lan)州(zhou)市(shi)三縣(xian)五區(qu)之一,在蘭(lan)州(zhou)東(dong)郊,縣(xian)城距蘭(lan)州(zhou)38公(gong)里(li),地(di)(di)(di)跨(kua)東(dong)經103°49′15"—104°34′40",北(bei)(bei)緯(wei)35°34′20"—36°26′30"之間,縣(xian)境(jing)內(nei)南北(bei)(bei)長96.6公(gong)里(li),東(dong)西(xi)寬66.4公(gong)里(li),總面(mian)(mian)(mian)(mian)積(ji)(ji)3301.64平(ping)方公(gong)里(li),海拔(ba)高(gao)(gao)(gao)(gao)度1480—3670米之間。東(dong)接(jie)定西(xi)、會(hui)寧、靖(jing)遠縣(xian),西(xi)以馬銜山為界(jie)與(yu)臨(lin)洮毗鄰,西(xi)靠(kao)七里(li)河區(qu)、城關區(qu),北(bei)(bei)隔黃河與(yu)皋(gao)蘭(lan)縣(xian)、白銀市(shi)相望。全縣(xian)轄8鎮(zhen)15鄉,268個(ge)行政村(cun),1619個(ge)村(cun)民小組,共(gong)有(you)42.6萬(wan)(wan)人,其(qi)中(zhong)(zhong)(zhong)農業人口38.8萬(wan)(wan)人。有(you)漢(han)、回、滿、東(dong)鄉、撒拉等13個(ge)民族,漢(han)族占99%,耕地(di)(di)(di)面(mian)(mian)(mian)(mian)積(ji)(ji)106萬(wan)(wan)畝(mu)(mu),其(qi)中(zhong)(zhong)(zhong)水(shui)澆地(di)(di)(di)36萬(wan)(wan)畝(mu)(mu),保(bao)灌(guan)面(mian)(mian)(mian)(mian)積(ji)(ji)28萬(wan)(wan)畝(mu)(mu),山旱(han)地(di)(di)(di)70萬(wan)(wan)畝(mu)(mu),占耕地(di)(di)(di)面(mian)(mian)(mian)(mian)積(ji)(ji)的(de)66%。榆(yu)中(zhong)(zhong)(zhong)縣(xian)地(di)(di)(di)勢較高(gao)(gao)(gao)(gao),地(di)(di)(di)勢北(bei)(bei)高(gao)(gao)(gao)(gao)南低,西(xi)高(gao)(gao)(gao)(gao)東(dong)低,土壤深(shen)厚肥沃,屬半(ban)干(gan)旱(han)、半(ban)濕潤氣候區(qu),河谷地(di)(di)(di)區(qu)水(shui)源主要(yao)是境(jing)內(nei)的(de)地(di)(di)(di)表水(shui)和地(di)(di)(di)下水(shui),全縣(xian)從(cong)事蔬菜栽培的(de)農戶(hu)有(you)6萬(wan)(wan)多戶(hu),川塬地(di)(di)(di)區(qu)主要(yao)以地(di)(di)(di)下水(shui)資(zi)源為主,區(qu)域內(nei)無工業污染,為天然綠色食品生產區(qu)。目前大白菜栽培面(mian)(mian)(mian)(mian)積(ji)(ji)2萬(wan)(wan)畝(mu)(mu),年產量(liang)8萬(wan)(wan)噸,至2010年規(gui)劃面(mian)(mian)(mian)(mian)積(ji)(ji)發展達到(dao)2.5萬(wan)(wan)畝(mu)(mu),年產榆(yu)中(zhong)(zhong)(zhong)大白菜10萬(wan)(wan)噸。