一.產品介紹
2015年1月13日,據中(zhong)華人民(min)共(gong)和國農(nong)業部公(gong)告第2231號獲(huo)悉,按照《農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)地(di)(di)(di)理標志(zhi)(zhi)管理辦法》規(gui)定,濟(ji)南(nan)市(shi)天橋區(qu)鵲山龍(long)湖(hu)生態農(nong)業科技種(zhong)(zhong)植(zhi)協會(hui)申請的(de)北(bei)(bei)園(yuan)(yuan)“大(da)臥(wo)(wo)(wo)龍(long)”蓮藕(ou)(ou)(ou)實施(shi)國家(jia)農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)地(di)(di)(di)理標志(zhi)(zhi)登記(ji)(ji)(ji)保護。經(jing)過初審、專(zhuan)家(jia)評審和公(gong)示,符(fu)合農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)地(di)(di)(di)理標志(zhi)(zhi)登記(ji)(ji)(ji)條件,準予登記(ji)(ji)(ji),登記(ji)(ji)(ji)證號為(wei)(wei)AGI2016-01-1616。北(bei)(bei)園(yuan)(yuan)“大(da)臥(wo)(wo)(wo)龍(long)”蓮藕(ou)(ou)(ou),種(zhong)(zhong)植(zhi)歷史悠(you)久,至今有(you)(you)1800多年的(de)歷史。曾有(you)(you)詩(shi)為(wei)(wei)證:“繡江之(zhi)(zhi)水(shui)清如(ru)許,荷(he)花(hua)香(xiang)接稻花(hua)香(xiang)”。它起源于濟(ji)南(nan)市(shi)老北(bei)(bei)園(yuan)(yuan)鎮,后又(you)(you)擴大(da)到濼口黃河岸周(zhou)邊一帶,據史料記(ji)(ji)(ji)載:三國時,今大(da)明(ming)湖(hu)北(bei)(bei),藕(ou)(ou)(ou)稻蒲依地(di)(di)(di)相間,直達(da)鵲山,有(you)(you)蓮子(zi)湖(hu)之(zhi)(zhi)稱,它又(you)(you)名大(da)疙瘩、大(da)紅刺,宜深(shen)水(shui)栽培,花(hua)白色(se),葉高(gao)大(da),藕(ou)(ou)(ou)在土內(nei)深(shen)約30—40厘(li)米,藕(ou)(ou)(ou)身除后把(ba)外,各節(jie)(jie)均長(chang)為(wei)(wei)長(chang)圓筒形(xing),每藕(ou)(ou)(ou)重(zhong)約1.5公(gong)斤左(zuo)右,一般有(you)(you)3—5節(jie)(jie),多者可達(da)6節(jie)(jie)。表皮(pi)白色(se)或淡黃色(se), 肉(rou)質(zhi)脆嫩而味甘,品(pin)(pin)質(zhi)好(hao),水(shui)分(fen)含(han)量高(gao)、纖(xian)維(wei)少,生食脆嫩香(xiang)甜,嚼(jiao)后無渣。北(bei)(bei)園(yuan)(yuan)“大(da)臥(wo)(wo)(wo)龍(long)”蓮藕(ou)(ou)(ou)是天橋區(qu)第一個獲(huo)得認證的(de)農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)地(di)(di)(di)理標志(zhi)(zhi)產(chan)(chan)(chan)(chan)品(pin)(pin),這次獲(huo)得農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)地(di)(di)(di)理標志(zhi)(zhi)認證,不但對保護北(bei)(bei)園(yuan)(yuan)“大(da)臥(wo)(wo)(wo)龍(long)”蓮藕(ou)(ou)(ou)現有(you)(you)種(zhong)(zhong)植(zhi)面積(ji)具(ju)有(you)(you)十分(fen)重(zhong)要(yao)的(de)意(yi)義,同時也(ye)對以后北(bei)(bei)園(yuan)(yuan)“大(da)臥(wo)(wo)(wo)龍(long)”蓮藕(ou)(ou)(ou)的(de)發展和提(ti)高(gao)產(chan)(chan)(chan)(chan)品(pin)(pin)附加(jia)(jia)值、增(zeng)加(jia)(jia)農(nong)民(min)收入(ru)、加(jia)(jia)快農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)產(chan)(chan)(chan)(chan)業升(sheng)(sheng)級(ji)、提(ti)升(sheng)(sheng)產(chan)(chan)(chan)(chan)業化經(jing)營水(shui)平、增(zeng)強農(nong)產(chan)(chan)(chan)(chan)品(pin)(pin)市(shi)場競爭力等方面具(ju)有(you)(you)更加(jia)(jia)重(zhong)要(yao)意(yi)義,也(ye)使北(bei)(bei)園(yuan)(yuan)“大(da)臥(wo)(wo)(wo)龍(long)”蓮藕(ou)(ou)(ou)有(you)(you)了品(pin)(pin)質(zhi)和聲譽的(de)“身份證”,不僅(jin)受法律保護,更將為(wei)(wei)原(yuan)產(chan)(chan)(chan)(chan)地(di)(di)(di)贏得知名度。
二(er).自然(ran)生態環境和人(ren)文歷史因(yin)素
1、土(tu)壤地貌(mao)情況(kuang):濟(ji)南(nan)市天(tian)橋區境內屬黃河沖積平(ping)原,地形平(ping)坦。北園大(da)臥龍蓮(lian)藕主(zhu)(zhu)要產于(yu)天(tian)橋區境內,產地集中(zhong)于(yu)黃河灘區,該范圍(wei)內地勢平(ping)坦,土(tu)壤肥沃,黃河水豐(feng)盈,生(sheng)態環境優美。主(zhu)(zhu)產區土(tu)壤以沙(sha)壤土(tu)為(wei)主(zhu)(zhu),據測定有機(ji)質含量45.8g/Kg, 全氮2.13g/kg, 水解(jie)氮83mg/kg, 速(su)效磷55mg/kg,速(su)效鉀75mg/kg,土(tu) 層深(shen)厚,土(tu)質疏(shu)松(song),保水保肥能力強,非常(chang)適合(he)北園大(da)臥龍蓮(lian)藕生(sheng)長。
2、水文(wen)情況:天橋區內水利(li)條件優(you)越,水源充足,農田排灌設施配套(tao),以黃河水灌溉為主,水質優(you)良,無污(wu)染,完全達到(dao)了旱能(neng)澆(jiao)、澇能(neng)排。
3、氣(qi)候情況:位于北半球中緯度(du)地帶,地屬暖溫半濕潤性季(ji)(ji)風氣(qi)候,其特點:氣(qi)候溫和,四季(ji)(ji)分明;冬(dong)季(ji)(ji)寒(han)冷少雨雪,春季(ji)(ji)干旱(han)多(duo)風,夏(xia)季(ji)(ji)炎(yan)熱多(duo)雨,秋季(ji)(ji)天高氣(qi)爽(shuang)溫差大(da),有(you)(you)(you)利作物(wu)的生長(chang)發育。本區域內光(guang)照資源(yuan)豐富,日照時(shi)(shi)間長(chang),光(guang)照充足,有(you)(you)(you)利于作物(wu)日照光(guang)合作用(yong),常年(nian)(nian)(nian)平均時(shi)(shi)數(shu)為2647.6小時(shi)(shi),占全年(nian)(nian)(nian)可照時(shi)(shi)間的56%。年(nian)(nian)(nian)積(ji)溫4580℃,平均氣(qi)溫12.9℃,7月份最高35℃,1月份最低氣(qi)溫-3.8℃,年(nian)(nian)(nian)平均相對濕度(du)58%,年(nian)(nian)(nian)平均氣(qi)溫為14.2℃。全年(nian)(nian)(nian)無霜期(qi)為210天左(zuo)(zuo)右,自然(ran)農(nong)耕期(qi)長(chang)達290天左(zuo)(zuo)右。夜(ye)間涼爽(shuang),晝夜(ye)溫差大(da),有(you)(you)(you)利于作物(wu)養分積(ji)累。 降(jiang)水(shui)(shui)偏(pian)少,因多(duo)集中夏(xia)季(ji)(ji),年(nian)(nian)(nian)均變(bian)化大(da),降(jiang)水(shui)(shui)不穩定,平均降(jiang)水(shui)(shui)量600 mm-650mm。
三.地域范圍
北(bei)(bei)園大(da)(da)臥龍蓮(lian)藕的地(di)域為(wei)山東省濟南市天橋現(xian)轄行政(zheng)區域內。東至(zhi)(zhi)大(da)(da)橋鎮(zhen)吉家(jia)村(cun)(cun);西至(zhi)(zhi)桑梓店鎮(zhen)姚(yao)呂村(cun)(cun);南至(zhi)(zhi)濼口辦事(shi)處山南村(cun)(cun);北(bei)(bei)至(zhi)(zhi)大(da)(da)橋鎮(zhen)張公店村(cun)(cun);轄2個(ge)鄉(xiang)鎮(zhen)一個(ge)辦事(shi)處,共125個(ge)行政(zheng)村(cun)(cun),地(di)理坐標為(wei):北(bei)(bei)緯36°40′00″~36°45′00″,東經(jing)116°56′15″~117°03′00″。地(di)域保護面(mian)積(ji)約(yue)500公頃,年總產量15000噸(dun)。
四.產品品質特性特征
1、外在感官(guan)特征:北園(yuan)大(da)臥(wo)(wo)龍(long)(long)(long)(long)(long)蓮(lian)(lian)藕體(ti)型細(xi)長、粗細(xi)適中,每(mei)節一(yi)般30cm左(zuo)右;其表面光滑、顏色鮮亮,斷開后晶瑩剔透(tou)、潔白如(ru)玉。因外觀似一(yi)條(tiao)臥(wo)(wo)著的(de)龍(long)(long)(long)(long)(long),當(dang)地(di)俗稱“大(da)臥(wo)(wo)龍(long)(long)(long)(long)(long)”蓮(lian)(lian)藕。 2、內在品(pin)質指(zhi)(zhi)標:北園(yuan)大(da)臥(wo)(wo)龍(long)(long)(long)(long)(long)蓮(lian)(lian)藕營養(yang)豐富,其內在品(pin)質指(zhi)(zhi)標為:淀粉(fen)≥9.0%,總糖(tang)≥3.0%,粗纖維(wei)≤1.0 %,鈣(gai)≥15.0mg/100g,磷(lin)≥70mg/100g,鐵≥7.0mg/100g,以(yi)及胡蘿卜素、硫胺(an)素、核黃素、尼克(ke)酸、抗壞血素、維(wei)生素C、B1、B2等。 3、產(chan)(chan)(chan)品(pin)質量(liang)(liang):北園(yuan)大(da)臥(wo)(wo)龍(long)(long)(long)(long)(long)蓮(lian)(lian)藕的(de)產(chan)(chan)(chan)地(di)必(bi)須符合《無公(gong)害(hai)食(shi)品(pin)水(shui)生蔬(shu)菜產(chan)(chan)(chan)地(di)環境技術條(tiao)件》(NY5331-2006) 的(de)要求,入市北園(yuan)大(da)臥(wo)(wo)龍(long)(long)(long)(long)(long)蓮(lian)(lian)藕必(bi)須達到(dao)農業(ye)部《無公(gong)害(hai)食(shi)品(pin)水(shui)生蔬(shu)菜》(NY5238-2006)的(de)質量(liang)(liang)標準(zhun)。有《農產(chan)(chan)(chan)品(pin)質量(liang)(liang)安全法》第(di)三十(shi)三條(tiao)規定情形的(de)不得上市銷售。