一.產品介紹
2015年1月13日,據中華人民共和國(guo)農(nong)(nong)(nong)(nong)(nong)業(ye)部(bu)公告第(di)2231號獲悉,按照(zhao)《農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)地(di)理標(biao)志(zhi)管(guan)理辦法(fa)》規定,濟南市(shi)天橋(qiao)區鵲山(shan)龍(long)湖(hu)生(sheng)態農(nong)(nong)(nong)(nong)(nong)業(ye)科技種(zhong)植協會申請的北(bei)園(yuan)“大(da)(da)(da)臥(wo)(wo)龍(long)”蓮(lian)藕(ou)(ou)(ou)(ou)實施(shi)國(guo)家農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)地(di)理標(biao)志(zhi)登(deng)記(ji)保護。經過初審、專(zhuan)家評審和公示(shi),符合農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)地(di)理標(biao)志(zhi)登(deng)記(ji)條件,準(zhun)予登(deng)記(ji),登(deng)記(ji)證(zheng)號為(wei)AGI2016-01-1616。北(bei)園(yuan)“大(da)(da)(da)臥(wo)(wo)龍(long)”蓮(lian)藕(ou)(ou)(ou)(ou),種(zhong)植歷(li)史(shi)悠久(jiu),至今(jin)有(you)(you)(you)1800多年的歷(li)史(shi)。曾有(you)(you)(you)詩為(wei)證(zheng):“繡江之(zhi)水(shui)清(qing)如(ru)許,荷花(hua)香接(jie)稻(dao)花(hua)香”。它(ta)起源于濟南市(shi)老北(bei)園(yuan)鎮,后又(you)擴大(da)(da)(da)到(dao)濼口(kou)黃河岸周邊一(yi)帶,據史(shi)料記(ji)載:三國(guo)時,今(jin)大(da)(da)(da)明(ming)湖(hu)北(bei),藕(ou)(ou)(ou)(ou)稻(dao)蒲依地(di)相間(jian),直(zhi)達(da)鵲山(shan),有(you)(you)(you)蓮(lian)子(zi)湖(hu)之(zhi)稱,它(ta)又(you)名(ming)大(da)(da)(da)疙瘩、大(da)(da)(da)紅刺,宜深(shen)水(shui)栽培,花(hua)白色(se),葉高(gao)大(da)(da)(da),藕(ou)(ou)(ou)(ou)在土內深(shen)約(yue)30—40厘米(mi),藕(ou)(ou)(ou)(ou)身除后把外(wai),各節均長為(wei)長圓筒形,每藕(ou)(ou)(ou)(ou)重約(yue)1.5公斤左右(you),一(yi)般有(you)(you)(you)3—5節,多者可達(da)6節。表皮白色(se)或(huo)淡黃色(se), 肉質脆嫩(nen)而味甘,品(pin)質好(hao),水(shui)分含量高(gao)、纖(xian)維(wei)少,生(sheng)食脆嫩(nen)香甜(tian),嚼后無渣(zha)。北(bei)園(yuan)“大(da)(da)(da)臥(wo)(wo)龍(long)”蓮(lian)藕(ou)(ou)(ou)(ou)是天橋(qiao)區第(di)一(yi)個獲得認證(zheng)的農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)地(di)理標(biao)志(zhi)產(chan)(chan)(chan)(chan)品(pin),這次獲得農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)地(di)理標(biao)志(zhi)認證(zheng),不但對保護北(bei)園(yuan)“大(da)(da)(da)臥(wo)(wo)龍(long)”蓮(lian)藕(ou)(ou)(ou)(ou)現(xian)有(you)(you)(you)種(zhong)植面(mian)積具有(you)(you)(you)十分重要的意(yi)(yi)義,同時也(ye)對以(yi)后北(bei)園(yuan)“大(da)(da)(da)臥(wo)(wo)龍(long)”蓮(lian)藕(ou)(ou)(ou)(ou)的發展(zhan)和提高(gao)產(chan)(chan)(chan)(chan)品(pin)附加值(zhi)、增加農(nong)(nong)(nong)(nong)(nong)民收入、加快(kuai)農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)產(chan)(chan)(chan)(chan)業(ye)升級、提升產(chan)(chan)(chan)(chan)業(ye)化經營水(shui)平、增強農(nong)(nong)(nong)(nong)(nong)產(chan)(chan)(chan)(chan)品(pin)市(shi)場競爭(zheng)力等方面(mian)具有(you)(you)(you)更(geng)加重要意(yi)(yi)義,也(ye)使(shi)北(bei)園(yuan)“大(da)(da)(da)臥(wo)(wo)龍(long)”蓮(lian)藕(ou)(ou)(ou)(ou)有(you)(you)(you)了品(pin)質和聲譽的“身份證(zheng)”,不僅受法(fa)律保護,更(geng)將(jiang)為(wei)原產(chan)(chan)(chan)(chan)地(di)贏得知名(ming)度。
二.自(zi)然生態(tai)環境和人文歷史因素
1、土壤地(di)貌情況:濟南市天橋區境(jing)內(nei)屬黃(huang)河沖(chong)積平(ping)(ping)原,地(di)形平(ping)(ping)坦。北園大(da)臥(wo)龍蓮藕(ou)主要(yao)產于(yu)(yu)天橋區境(jing)內(nei),產地(di)集(ji)中于(yu)(yu)黃(huang)河灘區,該范圍內(nei)地(di)勢平(ping)(ping)坦,土壤肥沃,黃(huang)河水豐盈,生態環境(jing)優美。主產區土壤以沙壤土為主,據測(ce)定有機質含量45.8g/Kg, 全氮2.13g/kg, 水解氮83mg/kg, 速(su)效磷55mg/kg,速(su)效鉀(jia)75mg/kg,土 層深厚,土質疏松,保(bao)水保(bao)肥能力強,非常適(shi)合北園大(da)臥(wo)龍蓮藕(ou)生長。
2、水(shui)(shui)文情況:天(tian)橋區內水(shui)(shui)利條(tiao)件(jian)優(you)越,水(shui)(shui)源充足,農田排灌設施配(pei)套,以黃河水(shui)(shui)灌溉為(wei)主,水(shui)(shui)質優(you)良,無污(wu)染,完(wan)全達到了旱能澆、澇(lao)能排。
3、氣(qi)(qi)候(hou)情況:位于北半球中緯度地帶,地屬暖溫(wen)半濕潤性(xing)季(ji)風(feng)氣(qi)(qi)候(hou),其特點:氣(qi)(qi)候(hou)溫(wen)和,四季(ji)分(fen)明;冬季(ji)寒冷(leng)少(shao)(shao)雨雪,春季(ji)干旱多(duo)風(feng),夏季(ji)炎熱(re)多(duo)雨,秋季(ji)天高氣(qi)(qi)爽(shuang)溫(wen)差大,有(you)(you)利(li)作(zuo)物的生長(chang)發育。本區域內光照(zhao)資(zi)源(yuan)豐富,日照(zhao)時間長(chang),光照(zhao)充足,有(you)(you)利(li)于作(zuo)物日照(zhao)光合(he)作(zuo)用,常年平均(jun)(jun)時數為2647.6小時,占全年可照(zhao)時間的56%。年積溫(wen)4580℃,平均(jun)(jun)氣(qi)(qi)溫(wen)12.9℃,7月份最(zui)高35℃,1月份最(zui)低(di)氣(qi)(qi)溫(wen)-3.8℃,年平均(jun)(jun)相對(dui)濕度58%,年平均(jun)(jun)氣(qi)(qi)溫(wen)為14.2℃。全年無霜期(qi)為210天左右,自(zi)然農耕期(qi)長(chang)達290天左右。夜間涼(liang)爽(shuang),晝夜溫(wen)差大,有(you)(you)利(li)于作(zuo)物養(yang)分(fen)積累。 降水(shui)偏少(shao)(shao),因多(duo)集中夏季(ji),年均(jun)(jun)變(bian)化(hua)大,降水(shui)不穩(wen)定(ding),平均(jun)(jun)降水(shui)量600 mm-650mm。
三.地域范圍
北園大臥龍蓮藕的地域(yu)為(wei)(wei)山東(dong)(dong)省濟(ji)南市(shi)天橋(qiao)現轄(xia)行(xing)政(zheng)區域(yu)內。東(dong)(dong)至(zhi)大橋(qiao)鎮吉家村(cun);西至(zhi)桑梓店(dian)鎮姚(yao)呂(lv)村(cun);南至(zhi)濼口辦事(shi)(shi)處山南村(cun);北至(zhi)大橋(qiao)鎮張公(gong)店(dian)村(cun);轄(xia)2個(ge)(ge)鄉(xiang)鎮一個(ge)(ge)辦事(shi)(shi)處,共125個(ge)(ge)行(xing)政(zheng)村(cun),地理坐(zuo)標(biao)為(wei)(wei):北緯36°40′00″~36°45′00″,東(dong)(dong)經116°56′15″~117°03′00″。地域(yu)保護面(mian)積(ji)約(yue)500公(gong)頃,年總(zong)產量15000噸。
四.產品品質(zhi)特(te)性(xing)特(te)征
1、外在感官(guan)特征:北園大(da)臥(wo)(wo)龍(long)蓮(lian)(lian)藕(ou)(ou)(ou)體型(xing)細長、粗細適中,每(mei)節一(yi)般(ban)30cm左右;其表面光滑、顏(yan)色鮮(xian)亮,斷開后晶瑩(ying)剔透、潔白(bai)如玉。因外觀似(si)一(yi)條臥(wo)(wo)著的龍(long),當地(di)俗稱“大(da)臥(wo)(wo)龍(long)”蓮(lian)(lian)藕(ou)(ou)(ou)。 2、內在品(pin)(pin)質(zhi)(zhi)指標(biao)(biao):北園大(da)臥(wo)(wo)龍(long)蓮(lian)(lian)藕(ou)(ou)(ou)營養豐富,其內在品(pin)(pin)質(zhi)(zhi)指標(biao)(biao)為:淀粉≥9.0%,總糖≥3.0%,粗纖維≤1.0 %,鈣(gai)≥15.0mg/100g,磷≥70mg/100g,鐵≥7.0mg/100g,以及胡蘿卜(bu)素、硫胺素、核(he)黃(huang)素、尼克酸(suan)、抗壞血素、維生(sheng)素C、B1、B2等。 3、產(chan)(chan)品(pin)(pin)質(zhi)(zhi)量(liang):北園大(da)臥(wo)(wo)龍(long)蓮(lian)(lian)藕(ou)(ou)(ou)的產(chan)(chan)地(di)必須符合《無公害食品(pin)(pin)水生(sheng)蔬菜(cai)產(chan)(chan)地(di)環境技術條件》(NY5331-2006) 的要求,入(ru)市(shi)北園大(da)臥(wo)(wo)龍(long)蓮(lian)(lian)藕(ou)(ou)(ou)必須達(da)到農業部《無公害食品(pin)(pin)水生(sheng)蔬菜(cai)》(NY5238-2006)的質(zhi)(zhi)量(liang)標(biao)(biao)準。有《農產(chan)(chan)品(pin)(pin)質(zhi)(zhi)量(liang)安全法》第三十(shi)三條規定情形的不(bu)得上市(shi)銷(xiao)售。