土(tu)壤(rang)地(di)(di)(di)(di)貌情(qing)況: 咸豐縣(xian)境內(nei)山(shan)(shan)巒起伏(fu),溪河遍布(bu),地(di)(di)(di)(di)形(xing)地(di)(di)(di)(di)貌復(fu)雜。低山(shan)(shan)占(zhan)(zhan)(zhan)總面積的22.98%,二高(gao)山(shan)(shan)占(zhan)(zhan)(zhan)62.83%,高(gao)山(shan)(shan)14.19%。海(hai)拔最(zui)高(gao)1911.5米,最(zui)低435米。境內(nei)山(shan)(shan)巒起伏(fu),溝壑縱橫,具有典型(xing)山(shan)(shan)地(di)(di)(di)(di)地(di)(di)(di)(di)貌特征(zheng)。土(tu)壤(rang)類(lei)型(xing)主(zhu)(zhu)要有砂(sha)(sha)質頁(ye)巖(yan)、石英砂(sha)(sha)巖(yan),其次(ci)是(shi)(shi)(shi)紫紅(hong)色砂(sha)(sha)質頁(ye)巖(yan)、第四紀粘土(tu)、河流沖積物(wu)等(deng)(deng)。土(tu)壤(rang)分布(bu)在山(shan)(shan)地(di)(di)(di)(di)垂(chui)直(zhi)帶普(pu)表現為:海(hai)拔800米以下低山(shan)(shan)丘陵、河谷地(di)(di)(di)(di)區主(zhu)(zhu)要是(shi)(shi)(shi)黃壤(rang),占(zhan)(zhan)(zhan)17.4%,海(hai)拔800-1500米二高(gao)山(shan)(shan)及高(gao)山(shan)(shan)地(di)(di)(di)(di)區,主(zhu)(zhu)要是(shi)(shi)(shi)黃棕(zong)(zong)壤(rang),占(zhan)(zhan)(zhan)72.8%,海(hai)拔1500米以上高(gao)寒地(di)(di)(di)(di)區,主(zhu)(zhu)要是(shi)(shi)(shi)棕(zong)(zong)壤(rang),占(zhan)(zhan)(zhan)1.3%,水稻土(tu)占(zhan)(zhan)(zhan)6.5%,主(zhu)(zhu)要分布(bu)在低山(shan)(shan)。土(tu)壤(rang)含(han)微量(liang)元素硒(xi)、鍶等(deng)(deng)。
唐崖(ya)茶(cha)農(nong)產(chan)品地理標志地域(yu)(yu)保(bao)護范圍為湖北省咸豐縣(xian)境(jing)內高樂(le)山鎮(zhen)、清坪鎮(zhen)、唐崖(ya)鎮(zhen)、活龍坪鄉、小村鄉、黃(huang)金洞鄉、大路壩區工委、曲江鎮(zhen)、坪壩營(ying)鎮(zhen)、朝(chao)陽寺鎮(zhen),全域(yu)(yu)面(mian)積(ji)(ji)100平(ping)方公里。地理坐標為東經108°43′33.09″—109°0′9.89″、北緯29°19′28″—30°2′54″。唐崖(ya)茶(cha)年生產(chan)面(mian)積(ji)(ji)10000公頃(qing)(15萬畝),干茶(cha)產(chan)量1.12萬噸。
(1)外在感官特(te)征(zheng):外形針狀細(xi)緊如眉(mei),翠綠勻凈。
(2)理(li)化指(zhi)標:內含(han)物(wu)(wu)(wu)豐富(fu),含(han)有(you)多(duo)種(zhong)稀有(you)營(ying)養元素,其中:白葉茶(cha)(cha)茶(cha)(cha)多(duo)酚(fen)含(han)量≥11%,水(shui)浸出物(wu)(wu)(wu)≥36%,游離氨(an)(an)基酸(suan)總(zong)量(以谷氨(an)(an)酸(suan)計) ≥5%,水(shui)分≤6.5%;綠茶(cha)(cha)茶(cha)(cha)多(duo)酚(fen)含(han)量≥11%,水(shui)浸出物(wu)(wu)(wu)≥36%,水(shui)分≤6.5%。
(3)質(zhi)量安(an)全規定:唐(tang)崖茶(cha)的質(zhi)量安(an)全標(biao)準(zhun)必須符合《GB2762 食(shi)(shi) 品安(an)全國(guo)(guo)家(jia)標(biao)準(zhun) 食(shi)(shi)品中污(wu)染(ran)物限量》、《GB2763 食(shi)(shi)品安(an)全國(guo)(guo)家(jia)標(biao)準(zhun) 食(shi)(shi)品中農藥最大殘留限量》等國(guo)(guo)家(jia)標(biao)準(zhun)的要(yao)求。