一.產品介紹
地瓜,味甘性(xing)(xing)溫,能(neng)(neng)(neng)滑腸通(tong)便(bian),健胃益氣。含有較多的(de)(de)纖維(wei)(wei)素(su), 能(neng)(neng)(neng)在腸中吸收水份增大糞便(bian)的(de)(de)體積(ji),引(yin)起通(tong)便(bian)的(de)(de)作用。 其中豐(feng)富的(de)(de)纖維(wei)(wei)質有助排便(bian)。地瓜含有大量(liang)的(de)(de)糖(tang)、蛋白(bai)質、各種維(wei)(wei)生(sheng)素(su)與(yu)礦物質、胡蘿卜素(su)和(he)維(wei)(wei)生(sheng)素(su)C以及抑(yi)制癌(ai)細胞生(sheng)長的(de)(de)抗癌(ai)物質、大量(liang)食物性(xing)(xing)纖維(wei)(wei),所(suo)以能(neng)(neng)(neng)預(yu)防便(bian)秘、腸癌(ai);同時能(neng)(neng)(neng)減(jian)少熱量(liang)的(de)(de)攝取,是(shi)減(jian)肥的(de)(de)最佳食品之一。
食療作用
[用途]用于胃熱煩渴,或飲酒過度;熱傷津液,大便(bian)燥結。
[用法]生(sheng)食,絞(jiao)汁,或煎湯服。
[注意]脾胃(wei)虛寒者(zhe)不宜服食。大(da)便秘結(jie)者(zhe),須嚼食本品。
【藥(yao)用部位】豆薯的塊根。本(ben)植物的種(zhong)子(地瓜子)亦供藥(yao)用。
【性(xing)味(wei)歸經】《陸川(chuan)本草(cao)》“甘,涼。”歸肺,胃二(er)經。
【功效主治】生津止渴。治熱病口渴。
【用法用量】內服:生(sheng)啖或煮食。地瓜有滑腸作(zuo)用,可減少(shao)脂肪吸收,而且食地瓜可增加飽腹(fu)感,減少(shao)進食欲望,從而達到(dao)減肥(fei)輕身(shen)的(de)目的(de)。
二.自然生態環境和人文歷史因素
1.1 地(di)(di)(di)(di)形(xing)地(di)(di)(di)(di)貌 臨(lin)(lin)沭地(di)(di)(di)(di)處魯東(dong)丘陵(ling)區(qu)南部(bu),大(da)(da)(da)部(bu)屬(shu)五(wu)蓮山(shan)低(di)山(shan)丘陵(ling)。地(di)(di)(di)(di)形(xing)呈東(dong)高(gao)(gao)(gao)西低(di),北高(gao)(gao)(gao)南低(di)的(de)傾斜狀態,北部(bu)、東(dong)部(bu)層巒起伏(fu)、溝谷縱橫(heng),大(da)(da)(da)小山(shan)巒44座,海拔高(gao)(gao)(gao)度(du)一般(ban)在(zai)60-400米之(zhi)間(jian),其中(zhong)(zhong)(zhong)蒼山(shan)為(wei)(wei)群巒之(zhi)冠(guan),海拔高(gao)(gao)(gao)度(du)為(wei)(wei)394.7米。平(ping)(ping)原面(mian)積(ji)(ji)占(zhan)(zhan)(zhan)(zhan)(zhan)總面(mian)積(ji)(ji)的(de)23.4%,多分(fen)布于(yu)縣(xian)內西部(bu)沭河(he)沿岸(an);丘陵(ling)面(mian)積(ji)(ji)占(zhan)(zhan)(zhan)(zhan)(zhan)72.8%,分(fen)布于(yu)平(ping)(ping)原與山(shan)地(di)(di)(di)(di)之(zhi)間(jian);山(shan)地(di)(di)(di)(di)占(zhan)(zhan)(zhan)(zhan)(zhan)3.8%。 1.2 土(tu)(tu)(tu)質特點(dian) 全(quan)縣(xian)土(tu)(tu)(tu)地(di)(di)(di)(di)總面(mian)積(ji)(ji)為(wei)(wei)103810 公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing)。在(zai)各(ge)種(zhong)地(di)(di)(di)(di)貌中(zhong)(zhong)(zhong)丘陵(ling)4515.30公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)地(di)(di)(di)(di)面(mian)積(ji)(ji)4.35%;傾斜洪(hong)積(ji)(ji)低(di)臺地(di)(di)(di)(di)50311.86公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)地(di)(di)(di)(di)面(mian)積(ji)(ji) 48.47%;平(ping)(ping)坦洪(hong)積(ji)(ji)低(di)臺地(di)(di)(di)(di)24382.62公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)地(di)(di)(di)(di)面(mian)積(ji)(ji)23.49%;起伏(fu)河(he)流高(gao)(gao)(gao)階地(di)(di)(di)(di)9321.24公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing);占(zhan)(zhan)(zhan)(zhan)(zhan)地(di)(di)(di)(di)面(mian)積(ji)(ji)8.98%;起伏(fu)洪(hong)積(ji)(ji)平(ping)(ping)原13639.32公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)地(di)(di)(di)(di)面(mian)積(ji)(ji)13.14%;河(he)流低(di)階地(di)(di)(di)(di)1629.66公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing);占(zhan)(zhan)(zhan)(zhan)(zhan)地(di)(di)(di)(di)面(mian)積(ji)(ji)1.57%。 中(zhong)(zhong)(zhong)華人(ren)民(min)共(gong)和國農業部(bu) 公(gong)(gong)布 土(tu)(tu)(tu)壤類型可分(fen)為(wei)(wei):粗骨土(tu)(tu)(tu)、棕壤、褐土(tu)(tu)(tu)、 潮(chao)土(tu)(tu)(tu)和砂(sha)姜黑土(tu)(tu)(tu)五(wu)類,十一個(ge)亞類。其中(zhong)(zhong)(zhong),粗骨土(tu)(tu)(tu)面(mian)積(ji)(ji)29014.12公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)土(tu)(tu)(tu)壤總面(mian)積(ji)(ji)的(de)27.9%;棕壤53899.03 公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing)占(zhan)(zhan)(zhan)(zhan)(zhan)51.9%;褐土(tu)(tu)(tu)3664.84公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)3.5 %;潮(chao)土(tu)(tu)(tu)8947.57公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan)8.6 %;砂(sha)姜黑土(tu)(tu)(tu)8284.44公(gong)(gong)頃(qing)(qing)(qing)(qing)(qing),占(zhan)(zhan)(zhan)(zhan)(zhan) 8.0%。 據(ju)2006年全(quan)縣(xian)土(tu)(tu)(tu)壤普查(cha)測定棕壤土(tu)(tu)(tu)中(zhong)(zhong)(zhong)的(de)有機質含量(liang)(liang)(liang)(liang)平(ping)(ping)均(jun)13.9 mg/kg、堿解氮99mg/kg、有效(xiao)磷15.4 mg/kg,速效(xiao)鉀(jia)98 mg/kg,pH值(zhi)6.1左右。土(tu)(tu)(tu)層深厚,土(tu)(tu)(tu)質疏松,適(shi)合地(di)(di)(di)(di)瓜生長(chang)(chang)。 2.3 氣候特點(dian) 臨(lin)(lin)沭縣(xian)屬(shu)暖(nuan)溫帶季(ji)風區(qu)半濕潤大(da)(da)(da)陸(lu)氣候,寒暑交(jiao)換,四季(ji)分(fen)明(ming)。春季(ji)溫暖(nuan),光照充足;夏(xia)季(ji)濕熱,雨(yu)量(liang)(liang)(liang)(liang)充沛;秋季(ji)清爽;冬(dong)季(ji)寒冷(leng)干燥。年平(ping)(ping)均(jun)氣溫在(zai)12.7℃,極(ji)端最(zui)高(gao)(gao)(gao)氣溫38.8 ℃,極(ji)端最(zui)低(di)氣溫為(wei)(wei)-19.2 ℃。初霜(shuang)期(qi)(qi)在(zai)10月(yue)(yue)(yue)(yue)中(zhong)(zhong)(zhong)旬(xun),終(zhong)霜(shuang)期(qi)(qi)在(zai)3月(yue)(yue)(yue)(yue)下(xia)旬(xun),無霜(shuang)期(qi)(qi)220天左右。年平(ping)(ping)均(jun)降雨(yu)量(liang)(liang)(liang)(liang)為(wei)(wei)861.6mm。雨(yu)量(liang)(liang)(liang)(liang)分(fen)布的(de)特點(dian)是東(dong)部(bu)、南部(bu)多,北部(bu)、西部(bu)少(shao)。全(quan)縣(xian)降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)月(yue)(yue)(yue)(yue)際變化比較明(ming)顯(xian),6-9四個(ge)月(yue)(yue)(yue)(yue)年平(ping)(ping)均(jun)降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)為(wei)(wei)611.2mm,占(zhan)(zhan)(zhan)(zhan)(zhan)全(quan)年降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)的(de)71%。4、5月(yue)(yue)(yue)(yue)春播期(qi)(qi)降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)較少(shao),占(zhan)(zhan)(zhan)(zhan)(zhan)全(quan)年降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)的(de)13.1%。作物(wu)生長(chang)(chang)期(qi)(qi)的(de)6、7月(yue)(yue)(yue)(yue)份(fen)平(ping)(ping)均(jun)降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)為(wei)(wei)356.57mm,占(zhan)(zhan)(zhan)(zhan)(zhan)全(quan)年降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)的(de)41.4%。8、9月(yue)(yue)(yue)(yue)份(fen)為(wei)(wei)254.61mm,占(zhan)(zhan)(zhan)(zhan)(zhan)全(quan)年降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)的(de)29.6%。7月(yue)(yue)(yue)(yue)份(fen)雨(yu)量(liang)(liang)(liang)(liang)最(zui)多, 歷(li)年平(ping)(ping)均(jun)258.34mm,12月(yue)(yue)(yue)(yue)份(fen)最(zui)少(shao),月(yue)(yue)(yue)(yue)平(ping)(ping)均(jun)降水(shui)(shui)(shui)(shui)量(liang)(liang)(liang)(liang)12mm。平(ping)(ping)均(jun)相對濕度(du)為(wei)(wei)70%。光照資源豐富(fu),日照時(shi)間(jian)長(chang)(chang),光照充足,有利于(yu)作物(wu)光合作用,常年平(ping)(ping)均(jun)日照時(shi)數為(wei)(wei)2459小時(shi),占(zhan)(zhan)(zhan)(zhan)(zhan)全(quan)年可照時(shi)間(jian)的(de)55%。 1.4 水(shui)(shui)(shui)(shui)文情況 臨(lin)(lin)沭縣(xian)屬(shu)淮(huai)河(he)流域,境(jing)內除玉山(shan)鎮(zhen)鎮(zhen)武河(he)屬(shu)于(yu)濱海系外,其余均(jun)屬(shu)沭河(he)水(shui)(shui)(shui)(shui)系。境(jing)內10km以(yi)上的(de)河(he)流就(jiu)有15條,較大(da)(da)(da)的(de)河(he)流有沭河(he)、 蒼源河(he)、穆疃河(he)。境(jing)內水(shui)(shui)(shui)(shui)利設(she)(she)施(shi)配(pei)套(tao)齊全(quan),地(di)(di)(di)(di)下(xia)水(shui)(shui)(shui)(shui)源充足,農田(tian)排灌(guan) 設(she)(she)施(shi)配(pei)套(tao),水(shui)(shui)(shui)(shui)質清澈(che),無污染(ran),達到了旱能澆、澇能排。同時(shi)“臨(lin)(lin)沭 地(di)(di)(di)(di)瓜”種(zhong)植區(qu)內無大(da)(da)(da)型工(gong)廠。無“三廢”排放和空(kong)氣污染(ran),也(ye)沒有重(zhong)金屬(shu)污染(ran)歷(li)史。
三.地域范圍
“臨(lin)(lin)沭(shu)地(di)(di)瓜”的地(di)(di)域(yu)保(bao)護(hu)范圍為山東(dong)省(sheng)臨(lin)(lin)沂市(shi)臨(lin)(lin)沭(shu)縣(xian)(xian)(xian)(xian)境內,包括(kuo)全縣(xian)(xian)(xian)(xian)9個鎮(zhen)(zhen)街(jie)(臨(lin)(lin)沭(shu)街(jie)道、鄭山街(jie)道、青云鎮(zhen)(zhen)、玉山鎮(zhen)(zhen)、蛟(jiao)龍鎮(zhen)(zhen)、石門(men)鎮(zhen)(zhen)、大興鎮(zhen)(zhen)、店頭鎮(zhen)(zhen)、曹莊鎮(zhen)(zhen))各地(di)(di)瓜生(sheng)產(chan)村(cun)。地(di)(di)理坐標為:東(dong)經118°26′-118°48′,北(bei)緯34°40′-35°06′。生(sheng)產(chan)規(gui)模10000公頃,年產(chan)量45萬噸。臨(lin)(lin)沭(shu)縣(xian)(xian)(xian)(xian)東(dong)、南方向與(yu)江蘇省(sheng)贛榆縣(xian)(xian)(xian)(xian)、東(dong)海縣(xian)(xian)(xian)(xian)搭界,西(xi)與(yu)臨(lin)(lin)沂市(shi)河東(dong)區接壤, 北(bei)依莒(ju)南縣(xian)(xian)(xian)(xian),西(xi)南與(yu)郯城縣(xian)(xian)(xian)(xian)毗鄰。南北(bei)最大距離(li)46千(qian)米,東(dong)西(xi)最大距離(li)31千(qian)米,總(zong)面積1010平(ping)方千(qian)米。
四.產品品質特性特征
“臨沭(shu)(shu)地(di)(di)(di)瓜”“薯(shu)(shu)塊(kuai)大(da)(da)小適中、薯(shu)(shu)皮光(guang)滑、肉(rou)質(zhi)細(xi)(xi)膩(ni)、味甜(tian)(tian)”的(de)優良(liang)品(pin)質(zhi)。所(suo)生產的(de)地(di)(di)(di)瓜烤熟加(jia)工后具有(you)香、甜(tian)(tian)、軟、糯等口感。 外在(zai)(zai)感官特征:臨沭(shu)(shu)地(di)(di)(di)瓜呈紫(zi)紅(hong)色(se)(se)至黃(huang)色(se)(se),紡錘形及不(bu)規(gui)則圓(yuan)形,薯(shu)(shu)肉(rou)黃(huang)色(se)(se)、橘紅(hong)至紅(hong)色(se)(se),肉(rou)質(zhi)細(xi)(xi)膩(ni)。塊(kuai)根肥大(da)(da)、集中,薯(shu)(shu)皮光(guang)滑,單株薯(shu)(shu)塊(kuai)1個至幾十(shi)不(bu)等,無不(bu)正(zheng)常(chang)外來水分,具有(you)本品(pin)種的(de)基本特性(xing)。無霉變味及其他異味。臨沭(shu)(shu)地(di)(di)(di)瓜肉(rou)質(zhi)細(xi)(xi)膩(ni),有(you)甜(tian)(tian)味,口感好。 內在(zai)(zai)品(pin)質(zhi)指(zhi)標:“臨沭(shu)(shu)地(di)(di)(di)瓜”富含多種營養成分,蛋白質(zhi)1.5~2.0%、淀粉10.0~12.5%、總糖5.0~7.0%、硒2.5~4.5ug/kg。 1.3安(an)全要求(qiu): 臨沭(shu)(shu)地(di)(di)(di)瓜必須達到農業部“綠色(se)(se)食(shi)品(pin)標準 薯(shu)(shu)芋類蔬菜(cai)(地(di)(di)(di)瓜) NY/T 1049-2006”的(de)衛生指(zhi)標。有(you)《農產品(pin)質(zhi)量安(an)全法》第三(san)十(shi)三(san)條規(gui)定(ding)情形的(de)不(bu)得上市銷售(shou)。
五.特定生產方式
1.1產地選擇(ze)(ze)與(yu)特(te)殊內容規(gui)定:臨沭(shu)地瓜(gua)(gua)的產地選擇(ze)(ze)旱(han)能澆、澇能排,土壤條件(jian)良好、灌溉水(shui)無污染,遠離廠礦企業,產地環境質量(liang)符合國家(jia)衛生(sheng)標(biao)準。 1.2品種選擇(ze)(ze)與(yu)特(te)定要(yao)求:臨沭(shu)地瓜(gua)(gua)主栽(zai)(zai)培品種有(you)“小(xiao)花(hua)葉”、蘇薯8號、濟薯22等。 1.3生(sheng)產過(guo)程管理(li) 育(yu)苗(miao)(miao)(miao):日(ri)(ri)平均(jun)氣溫(wen)(wen)穩(wen)定在(zai)7~8℃開(kai)始(shi)育(yu)苗(miao)(miao)(miao)。在(zai)薯苗(miao)(miao)(miao)發芽(ya)出(chu)土階段,床(chuang)土溫(wen)(wen)度(du)掌握在(zai)32~35℃;齊苗(miao)(miao)(miao)后(hou)(hou)夜催日(ri)(ri)煉,采苗(miao)(miao)(miao)前2~3天(tian)進行煉苗(miao)(miao)(miao),苗(miao)(miao)(miao)高(gao)20cm以上時,及(ji)時采苗(miao)(miao)(miao)。 適期(qi)(qi)(qi)栽(zai)(zai)秧:臨沭(shu)地瓜(gua)(gua)根據播期(qi)(qi)(qi)分為春地瓜(gua)(gua)和夏地瓜(gua)(gua)。春薯適期(qi)(qi)(qi)為5月上旬,3500~4500株(zhu)/畝(mu)。夏薯要(yao)在(zai)6月底前栽(zai)(zai)完,4000~5000株(zhu)/畝(mu)。 前期(qi)(qi)(qi)管理(li):栽(zai)(zai)苗(miao)(miao)(miao)之后(hou)(hou)6天(tian),查苗(miao)(miao)(miao)補(bu)苗(miao)(miao)(miao);遇旱(han)天(tian),澆水(shui)促苗(miao)(miao)(miao)。封(feng)壟前鋤地滅草。 中(zhong)期(qi)(qi)(qi)管理(li):及(ji)時排澇防旱(han),拔除雜草,避免損傷莖葉。提秧防止秧蔓壟底結(jie)地瓜(gua)(gua)。 后(hou)(hou)期(qi)(qi)(qi)管理(li):注意(yi)防旱(han)排澇,保護莖葉。 病蟲害防治:按照NY/T393 綠色食品農藥使(shi)用(yong)(yong)準則,采用(yong)(yong)人工、物(wu)理(li)、生(sheng)物(wu)措施綜合防控病蟲害,減(jian)少(shao)化學(xue)農藥使(shi)用(yong)(yong)量(liang)和使(shi)用(yong)(yong)次數,充分保護利(li)用(yong)(yong)天(tian)敵。嚴禁使(shi)用(yong)(yong)高(gao)毒(du)、高(gao)殘留農藥,推(tui)廣使(shi)用(yong)(yong)低毒(du)、低殘留農藥或生(sheng)物(wu)農藥。 及(ji)時收獲(huo):地溫(wen)(wen)降到18℃~16℃,薯塊停(ting)止膨(peng)大時開(kai)始(shi)收獲(huo),霜降前收完。上午(wu)收,中(zhong)午(wu)在(zai)田間晾曬,下午(wu)入窖(jiao)。 加強窖(jiao)藏管理(li):選擇(ze)(ze)向陽(yang)背風,干(gan)燥通(tong)風,地下水(shui)位高(gao)的地方建設地瓜(gua)(gua)貯藏窖(jiao)。控制窖(jiao)內溫(wen)(wen)度(du)10~15℃,相對(dui)濕度(du)70%~90%。
六.包裝標識相關規定
1.1地瓜收獲后按標(biao)準規(gui)(gui)定的(de)質量(liang)條件挑選分級,包裝(zhuang)(zhuang)(zhuang)。通(tong)過無(wu)公害(hai)農(nong)(nong)產(chan)(chan)(chan)品(pin)、綠色食品(pin)、有機農(nong)(nong)產(chan)(chan)(chan)品(pin)等(deng)認證(zheng)的(de)地瓜,注(zhu)明標(biao)志、產(chan)(chan)(chan)品(pin)名(ming)稱、產(chan)(chan)(chan)地、商標(biao)、日期等(deng),地域保護(hu)范圍內的(de)“臨(lin)沭地瓜”生產(chan)(chan)(chan)經營者,在產(chan)(chan)(chan)品(pin)或包裝(zhuang)(zhuang)(zhuang)上使(shi)用(yong)“臨(lin)沭地瓜”農(nong)(nong)產(chan)(chan)(chan)品(pin)地理標(biao)志及圖案(an),須向臨(lin)沭縣植物(wu)保護(hu)站提(ti)出(chu)申請(qing),經驗收合格,并(bing)按照“臨(lin)沭地瓜”質量(liang)控制技術規(gui)(gui)范的(de)要求進行生產(chan)(chan)(chan)和(he)使(shi)用(yong)標(biao)志,統一采用(yong)產(chan)(chan)(chan)品(pin)名(ming)稱和(he)農(nong)(nong)產(chan)(chan)(chan)品(pin)地理標(biao)志公共標(biao)識相(xiang)結合的(de)標(biao)識標(biao)注(zhu)方法。包裝(zhuang)(zhuang)(zhuang)用(yong)材(cai)料應(ying)符合GB11680規(gui)(gui)定,包裝(zhuang)(zhuang)(zhuang)儲(chu)運(yun)圖示標(biao)志應(ying)符合GB191規(gui)(gui)定。 1.2運(yun)輸:運(yun)輸工具應(ying)清潔、干燥(zao)、無(wu)異味、無(wu)污染;運(yun)輸時(shi)應(ying)防(fang)(fang)(fang)潮、防(fang)(fang)(fang)雨;裝(zhuang)(zhuang)(zhuang)卸(xie)時(shi)輕放輕卸(xie),嚴禁與有毒(du)、有異氣味、易污染的(de)物(wu)品(pin)混(hun)裝(zhuang)(zhuang)(zhuang)混(hun)運(yun)。 1.3 貯存:產(chan)(chan)(chan)品(pin)應(ying)貯于清潔、干燥(zao)、通(tong)風、陰涼(liang)、無(wu)異味的(de)倉庫(ku)中,注(zhu)意防(fang)(fang)(fang)霉、防(fang)(fang)(fang)鼠(shu)、防(fang)(fang)(fang)蟲害(hai)。倉庫(ku)周(zhou)圍應(ying)無(wu)異氣污染。