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一.產品介紹

據《漢(han)(han)中(zhong)(zhong)地(di)理志(zhi)》、《漢(han)(han)中(zhong)(zhong)地(di)區(qu)志(zhi)》記載(zai)，早在新石器時代，漢(han)(han)中(zhong)(zhong)已種植水稻(dao)(dao)。西漢(han)(han)簫何筑(zhu)堰，三(san)國(guo)孔明(ming)屯墾，皆以種稻(dao)(dao)儲谷武(wu)備(bei)。另(ling)據《西鄉(xiang)縣志(zhi)》記載(zai)，唐《地(di)理志(zhi)》有“西鄉(xiang)稻(dao)(dao)米是京(jing)兆(zhao)貢米源地(di)之一(yi)”的描述，說明(ming)漢(han)(han)中(zhong)(zhong)大米品質(zhi)優良。著名(ming)氣象(xiang)學(xue)家竺可(ke)楨先生和袁隆平(ping)院士對漢(han)(han)中(zhong)(zhong)水稻(dao)(dao)生產(chan)和優質(zhi)米產(chan)業發展進行了高度評(ping)價。以漢(han)(han)中(zhong)(zhong)大米為(wei)原料(liao)制作的漢(han)(han)中(zhong)(zhong)米（面）皮，相傳始于(yu)西漢(han)(han)初年(nian)，現(xian)已成為(wei)全國(guo)知名(ming)特色(se)小吃。

二.自然(ran)生(sheng)態環境和人(ren)文歷史因素(su)

漢(han)(han)中(zhong)(zhong)地(di)處(chu)我國南(nan)北(bei)氣(qi)候過渡(du)帶，屬北(bei)亞熱帶季風(feng)氣(qi)候類型，被譽(yu)為“地(di)球(qiu)上(shang)同緯度(du)(du)生(sheng)(sheng)(sheng)(sheng)態(tai)條件最好的(de)地(di)方”，森林(lin)覆蓋(gai)率58.18%，是(shi)四大(da)“國寶”大(da)熊貓、朱鹮、金絲(si)猴、羚牛的(de)棲息生(sheng)(sheng)(sheng)(sheng)長地(di)。漢(han)(han)中(zhong)(zhong)北(bei)有(you)秦嶺屏障(zhang)，寒(han)流(liu)不易侵入，南(nan)有(you)大(da)巴山攔截南(nan)方暖濕氣(qi)流(liu)，盆地(di)效應凸顯，冬無嚴寒(han)，夏(xia)無酷暑，四季分明，雨熱同季。年(nian)降雨量800-1200 mm，年(nian)日照(zhao)時數1300-1800小時；年(nian)均(jun)(jun)氣(qi)溫12-14℃，≥10℃活(huo)(huo)動積溫4200℃-4480℃，其(qi)中(zhong)(zhong)水(shui)(shui)(shui)(shui)稻(dao)(dao)生(sheng)(sheng)(sheng)(sheng)長的(de)4月(yue)至9月(yue)活(huo)(huo)動積溫占全(quan)年(nian)的(de)87.2%。漢(han)(han)中(zhong)(zhong)水(shui)(shui)(shui)(shui)資源豐富，水(shui)(shui)(shui)(shui)質(zhi)(zhi)潔(jie)凈，是(shi)國家南(nan)水(shui)(shui)(shui)(shui)北(bei)調(diao)中(zhong)(zhong)線(xian)工(gong)程重要(yao)水(shui)(shui)(shui)(shui)源涵養區(qu)和(he)(he)供京水(shui)(shui)(shui)(shui)源地(di)，東西橫(heng)貫(guan)的(de)漢(han)(han)江(jiang)水(shui)(shui)(shui)(shui)系和(he)(he)南(nan)北(bei)縱穿的(de)嘉陵江(jiang)水(shui)(shui)(shui)(shui)系年(nian)平均(jun)(jun)徑流(liu)144.1億立方米。建于兩千(qian)多年(nian)前的(de)山河(he)、五門(men)堰、民國時期(qi)(qi)的(de)漢(han)(han)惠(hui)(hui)、褒惠(hui)(hui)、湑惠(hui)(hui)三大(da)干(gan)渠、建國后的(de)冷惠(hui)(hui)渠、石門(men)水(shui)(shui)(shui)(shui)庫(ku)、紅(hong)寺壩水(shui)(shui)(shui)(shui)庫(ku)、南(nan)沙(sha)河(he)水(shui)(shui)(shui)(shui)庫(ku)等(deng)引、蓄水(shui)(shui)(shui)(shui)工(gong)程，在(zai)水(shui)(shui)(shui)(shui)稻(dao)(dao)灌(guan)(guan)溉(gai)上(shang)發揮著重要(yao)的(de)作用。水(shui)(shui)(shui)(shui)稻(dao)(dao)種植區(qu)渠系配套，四通(tong)八達，生(sheng)(sheng)(sheng)(sheng)產中(zhong)(zhong)保(bao)灌(guan)(guan)面積90%以上(shang)。稻(dao)(dao)田土壤類型以潴育(yu)性水(shui)(shui)(shui)(shui)稻(dao)(dao)土和(he)(he)淹育(yu)性水(shui)(shui)(shui)(shui)稻(dao)(dao)土為主，熟化程度(du)(du)高，有(you)機質(zhi)(zhi)含量1.65-4.31%，肥(fei)力高，保(bao)水(shui)(shui)(shui)(shui)保(bao)肥(fei)性強。漢(han)(han)中(zhong)(zhong)是(shi)我國同一緯度(du)(du)遲熟中(zhong)(zhong)秈(xian)水(shui)(shui)(shui)(shui)稻(dao)(dao)種植的(de)最北(bei)沿(yan)，屬優(you)質(zhi)(zhi)秈(xian)稻(dao)(dao)最佳生(sheng)(sheng)(sheng)(sheng)態(tai)區(qu)之(zhi)一。水(shui)(shui)(shui)(shui)稻(dao)(dao)生(sheng)(sheng)(sheng)(sheng)長發育(yu)、灌(guan)(guan)漿(jiang)結實(shi)期(qi)(qi)氣(qi)溫多在(zai)23-30度(du)(du)之(zhi)間，既無南(nan)方稻(dao)(dao)區(qu)的(de)高溫危(wei)害，又無北(bei)方稻(dao)(dao)區(qu)的(de)低溫影響(xiang)，尤其(qi)是(shi)8月(yue)中(zhong)(zhong)旬至9月(yue)上(shang)旬水(shui)(shui)(shui)(shui)稻(dao)(dao)灌(guan)(guan)漿(jiang)結實(shi)期(qi)(qi)，旬平均(jun)(jun)氣(qi)溫21.8-24.9℃，晝夜(ye)溫差7.9-8.6℃，溫度(du)(du)適宜，晝夜(ye)溫差大(da)，水(shui)(shui)(shui)(shui)稻(dao)(dao)灌(guan)(guan)漿(jiang)速度(du)(du)平穩，消(xiao)耗少，累積多，利于高產優(you)質(zhi)(zhi)。

三.地域范圍

漢中(zhong)位于陜(shan)西省西南(nan)部，北(bei)依秦嶺，南(nan)屏巴(ba)山，中(zhong)部是漢中(zhong)盆地。水稻是漢中(zhong)最(zui)主要的糧食作物，種植區主要集中(zhong)在海拔450-750米(mi)(mi)的平壩、丘陵和淺山區。漢中(zhong)大(da)米(mi)(mi)農產(chan)品地理標志(zhi)地域保護范圍為(wei)漢中(zhong)市行(xing)政所轄漢臺區、南(nan)鄭縣(xian)(xian)(xian)、城固縣(xian)(xian)(xian)、洋(yang)縣(xian)(xian)(xian)、西鄉縣(xian)(xian)(xian)、勉(mian)縣(xian)(xian)(xian)、寧強縣(xian)(xian)(xian)、略陽縣(xian)(xian)(xian)、鎮(zhen)(zhen)巴(ba)縣(xian)(xian)(xian)、留(liu)壩縣(xian)(xian)(xian)、佛坪縣(xian)(xian)(xian)10縣(xian)(xian)(xian)1區175個鎮(zhen)(zhen)。地理坐標為(wei)東經(jing)105°30′-108°16′，北(bei)緯32°08′- 33°53′，東到(dao)鎮(zhen)(zhen)巴(ba)縣(xian)(xian)(xian)巴(ba)廟鎮(zhen)(zhen)，南(nan)到(dao)鎮(zhen)(zhen)巴(ba)縣(xian)(xian)(xian)鹽場鎮(zhen)(zhen)，西到(dao)寧強縣(xian)(xian)(xian)青木(mu)川鎮(zhen)(zhen)，北(bei)到(dao)留(liu)壩縣(xian)(xian)(xian)江口鎮(zhen)(zhen)。總生產(chan)面積10萬公頃(qing)（150萬畝），年(nian)產(chan)稻谷(gu)65.02萬噸。

四.產品(pin)品(pin)質特性(xing)特征

1、外在感觀特征：漢中(zhong)大米(mi)為秈(xian)米(mi)，加工品(pin)質好，其中(zhong)出糙率(lv)(lv)為75-79%，整精米(mi)率(lv)(lv)52-56%，堊白(bai)粒率(lv)(lv)≤20%。漢中(zhong)大米(mi)米(mi)粒細長均勻，色(se)澤(ze)清白(bai)，晶瑩剔透，光滑油潤，氣味(wei)純正；煮粥漿(jiang)汁如乳，味(wei)甘(gan)醇香(xiang)；蒸飯油亮(liang)溢香(xiang)，柔韌不(bu)粘(zhan)；冷飯成粒性好，不(bu)回生。

2、內(nei)在(zai)品質指標：漢中(zhong)大米營養豐富均衡，其(qi)中(zhong)蛋白(bai)質含量不低于6.0g/100g，脂肪(fang)含量0.3-1.5g/100g，氨基酸總量不低于5.8g/100g，直(zhi)鏈淀粉14.0-20.0g/100g，硒含量不低于2.0μg/100g。

3、安全要(yao)求(qiu)：漢(han)中大(da)米(mi)(mi)標志使用人(ren)其生產(chan)(chan)基地和大(da)米(mi)(mi)產(chan)(chan)品需達到(dao)無公害產(chan)(chan)地和產(chan)(chan)品要(yao)求(qiu)，批次(ci)抽(chou)檢(jian)符合農辦(ban)質〔2015〕4號文大(da)米(mi)(mi)產(chan)(chan)品質量安全要(yao)求(qiu)。