一.產品介紹
偏(pian)(pian)(pian)(pian)關(guan)小(xiao)米(mi)(mi)產于山西省忻州市偏(pian)(pian)(pian)(pian)關(guan)縣(xian)(xian),具有(you)悠久的原始(shi)農墾文(wen)(wen)化(hua)底蘊(yun),據(ju)《偏(pian)(pian)(pian)(pian)關(guan)縣(xian)(xian)志(zhi)》記載(zai),谷子種(zhong)植面積1951年(nian)為152704畝(mu)、1963年(nian)為130774畝(mu),2012年(nian)為143000畝(mu)。據(ju)歷史文(wen)(wen)獻記載(zai),谷子為偏(pian)(pian)(pian)(pian)關(guan)縣(xian)(xian)繳納公糧主要品種(zhong),且(qie)每年(nian)保持在15萬斤左右。而且(qie)當地還(huan)有(you)用小(xiao)米(mi)(mi)做(zuo)酸粥吃的習(xi)俗。《偏(pian)(pian)(pian)(pian)關(guan)縣(xian)(xian)志(zhi)》記載(zai):相傳戰亂年(nian)間,主人(ren)淘米(mi)(mi)準備入鍋(guo),發生戰亂,待戰后歸來(lai)舍不得(de)棄之(zhi)而熬粥吃來(lai),結果發現(xian)適(shi)口性更好一直延續至今(jin)。過(guo)去在“十年(nian)九旱”的困難時期(qi),偏(pian)(pian)(pian)(pian)關(guan)人(ren)靠小(xiao)米(mi)(mi)度過(guo)了饑荒年(nian)代;現(xian)在,偏(pian)(pian)(pian)(pian)關(guan)成為山西省推廣(guang)張(zhang)雜谷子最(zui)(zui)早、種(zhong)植面積最(zui)(zui)大、農民得(de)實惠最(zui)(zui)多的縣(xian)(xian), 產量(liang)和效(xiao)益也成倍增長。
二(er).自然生(sheng)態環境和(he)人(ren)文歷史因素
1.地(di)貌(mao)和(he)(he)土(tu)(tu)(tu)壤(rang)(rang)情(qing)況:偏關縣地(di)處黃土(tu)(tu)(tu)丘(qiu)陵(ling)區(qu)(qu),境內丘(qiu)陵(ling)起伏(fu)、溝壑縱(zong)橫,平(ping)均海拔在1377米最高(gao)海拔1855.2米,(875--1855.2)。青楊嶺、草垛山(shan)(shan)(shan)、大廟(miao)山(shan)(shan)(shan)、馬家山(shan)(shan)(shan)、垻子山(shan)(shan)(shan)等幾大山(shan)(shan)(shan)脈(mo)形成中(zhong)部小塊緩坡平(ping)地(di),全(quan)(quan)(quan)縣總(zong)的(de)(de)地(di)貌(mao)特(te)點是(shi)平(ping)川少(shao),山(shan)(shan)(shan)地(di)丘(qiu)陵(ling)多(占(zhan)全(quan)(quan)(quan)縣國土(tu)(tu)(tu)面(mian)積(ji)(ji)的(de)(de)90%),地(di)形地(di)貌(mao)復雜。全(quan)(quan)(quan)縣可耕(geng)地(di)面(mian)積(ji)(ji)54.25萬畝,人均耕(geng)地(di)近4.5畝,全(quan)(quan)(quan)縣耕(geng)地(di)土(tu)(tu)(tu)壤(rang)(rang)類型分為(wei)(wei)四個土(tu)(tu)(tu)類(黃綿土(tu)(tu)(tu)、黃沙土(tu)(tu)(tu)、二(er)合(he)土(tu)(tu)(tu)、黑(hei)壚土(tu)(tu)(tu)),主要土(tu)(tu)(tu)類為(wei)(wei)沙壤(rang)(rang)土(tu)(tu)(tu),占(zhan)總(zong)面(mian)積(ji)(ji)的(de)(de)80%以(yi)上(shang)(shang),分布于海拔1300—1600米的(de)(de)中(zhong)低山(shan)(shan)(shan)和(he)(he)丘(qiu)陵(ling)地(di)區(qu)(qu)。按(an)全(quan)(quan)(quan)國第二(er)次土(tu)(tu)(tu)壤(rang)(rang)普(pu)查,偏關土(tu)(tu)(tu)壤(rang)(rang)總(zong)的(de)(de)特(te)點是(shi)“缺磷少(shao)氮(dan)”,全(quan)(quan)(quan)縣耕(geng)地(di)養份(fen)狀況是(shi)有機質1.7269-2.4776%、全(quan)(quan)(quan)氮(dan)0.645-0.725%、有效磷0.055%、速(su)效1-1.5毫克/100克,屬二(er)級以(yi)上(shang)(shang)耕(geng)地(di),非常適宜(yi)谷(gu)子生長。
2.水(shui)文情(qing)況:偏關縣(xian)地處黃河(he)(he)之(zhi)濱,屬(shu)黃河(he)(he)水(shui)系(xi),主要有黃河(he)(he)支(zhi)流(liu)的關河(he)(he)、縣(xian)川河(he)(he)、楊家川河(he)(he),除黃河(he)(he)外,其(qi)它河(he)(he)流(liu)一般均呈(cheng)東(dong)北(bei)——西(xi)南發育。本縣(xian)大(da)部(bu)隸(li)屬(shu)關河(he)(he)和縣(xian)川河(he)(he)流(liu)域。地下水(shui)可(ke)采量0.24億立(li)方米/年(nian),各類地下水(shui)質優良(liang),礦化度(du)少于0.5克/升,屬(shu)輕碳酸鈣鎂型水(shui)質,非常適(shi)合(he)谷子的生(sheng)長需要。
3.氣(qi)候(hou)情況:偏關縣屬北溫(wen)帶(dai)大陸(lu)性氣(qi)候(hou)。冬季寒(han)(han)冷少雪,春季溫(wen)暖干燥,夏(xia)季炎熱而雨(yu)量(liang)(liang)集(ji)中(zhong),秋季涼(liang)爽而明快。年(nian)平(ping)均(jun)氣(qi)溫(wen)變化于3℃-8℃,全年(nian)平(ping)均(jun)降(jiang)水(shui)量(liang)(liang)為425.3毫米,無(wu)霜期為105—145天。氣(qi)候(hou)屬大陸(lu)性半(ban)干燥區(qu),寒(han)(han)冷干燥多(duo)風沙,一(yi)月最冷,平(ping)均(jun)氣(qi)溫(wen)-10℃,七月最熱,平(ping)均(jun)氣(qi)溫(wen)23℃,10攝氏(shi)度(du)以(yi)上(shang)的年(nian)平(ping)均(jun)積溫(wen)2600攝氏(shi)度(du)。全年(nian)日照2677天,生理輻射量(liang)(liang)66.6千卡/立方厘米。氣(qi)候(hou)以(yi)風大、低溫(wen)、降(jiang)水(shui)變率大,春旱年(nian)份多(duo),無(wu)霜期短(duan)為主要特點,總(zong)之氣(qi)候(hou)涼(liang)爽、降(jiang)雨(yu)集(ji)中(zhong)、西北風長年(nian)不斷、光(guang)照充足、晝夜(ye)溫(wen)差(cha)大這樣的氣(qi)候(hou)條件正好符合谷子的生產發育。
三.地域范圍
偏(pian)關(guan)縣(xian)(xian)位(wei)于晉(jin)西(xi)北(bei)黃(huang)(huang)(huang)土(tu)高原,地處黃(huang)(huang)(huang)河中上(shang)游黃(huang)(huang)(huang)土(tu)丘陵區,為(wei)黃(huang)(huang)(huang)河從內(nei)蒙入晉(jin)南(nan)流的(de)交匯(hui)處,境(jing)內(nei)山地屬(shu)管埁(cen)山脈。東與(yu)(yu)神池、朔州市接壤,西(xi)臨黃(huang)(huang)(huang)河與(yu)(yu)內(nei)蒙古準格(ge)爾(er)旗隔河相(xiang)望,南(nan)與(yu)(yu)河曲(qu)、五寨(zhai)(zhai)兩縣(xian)(xian)相(xiang)連,北(bei)靠長城與(yu)(yu)內(nei)蒙古清(qing)水河縣(xian)(xian)毗(pi)鄰。地理坐(zuo)標(biao):東經111°21′—112°00′,北(bei)緯39°12′—39°39′,縣(xian)(xian)域面積(ji)1685.4平方公(gong)里。偏(pian)關(guan)小米地理標(biao)志產(chan)品保護范圍包括偏(pian)關(guan)縣(xian)(xian)境(jing)內(nei)的(de)老營(ying)鎮(zhen)、天峰坪鎮(zhen)、新關(guan)鎮(zhen)、萬家(jia)寨(zhai)(zhai)鎮(zhen)、水泉鄉(xiang)、陳家(jia)營(ying)鄉(xiang)、窯頭鄉(xiang)、樓溝(gou)鄉(xiang)、尚峪鄉(xiang)、南(nan)堡子鄉(xiang)10個鄉(xiang)鎮(zhen)224個村。東至老營(ying)鎮(zhen)賈(jia)堡村,西(xi)至天峰坪鎮(zhen)寺溝(gou)村,北(bei)至萬家(jia)寨(zhai)(zhai)鎮(zhen)滑石村,南(nan)至樓溝(gou)鄉(xiang)楊家(jia)窯村。近(jin)幾年谷子年種植面積(ji)保持在6667公(gong)頃(qing)以上(shang),年總產(chan)40000噸。
四(si).產(chan)品品質(zhi)特(te)性特(te)征
1.外在(zai)感官(guan)特征:偏關小米(mi)品種(zhong)主要來源(yuan)于張雜谷,所產(chan)小米(mi)米(mi)粒勻碎,色澤金黃,米(mi)香醇厚,口感光滑;
2.內(nei)在(zai)品質指標:偏關小米經天津普尼測(ce)試公(gong)司(si)檢測(ce)得含維(wei)生素(su)B1≥0.4mg/100g;維(wei)生素(su)B2≥0.13mg/100g;鈣≥15.8mg/100g;鐵(tie)≥3.2mg/100g;鎂≥110mg/100g;鋅(xin)≥2.56mg/100g。具有和胃安眠等功效,是老人(ren)、病(bing)人(ren)、產婦(fu)宜用的滋補(bu)品;
3.安全要(yao)(yao)求:偏關小米生產符合無公害食品(pin)NY5305-2005粟米類產品(pin)產地環境(jing)條件,以(yi)及GB4285農藥安全使(shi)用準則,GB/T8321農藥合理使(shi)用準則等相關標準和要(yao)(yao)求。
五(wu).特定(ding)生產方(fang)式(shi)
1.加(jia)強抗(kang)旱(han)耕作,保(bao)好(hao)墑情:谷子需要精細(xi)整地(di),保(bao)持土(tu)壤(rang)疏松平(ping)整。在我縣各谷子產(chan)區采取秋深耕,冬鎮壓(ya),春季頂凌粑磨,播(bo)后根據晌情進行碾壓(ya)等(deng)蓄(xu)水保(bao)墑辦法;充(chong)分發揮“土(tu)壤(rang)水庫”的作用(yong),盡可能(neng)地(di)把(ba)天然降水蓄(xu)存起來,提高(gao)土(tu)壤(rang)水分對(dui)經濟(ji)產(chan)量的轉(zhuan)化率。
2.播前施足(zu)底肥(fei),精選(xuan)種(zhong)子(zi):旱地谷(gu)子(zi)必須重(zhong)施底肥(fei),杜(du)絕重(zhong)茬(cha)種(zhong)植,做(zuo)到輕氮(dan)重(zhong)磷補鉀。每(mei)畝(mu)施優(you)質(zhi)農肥(fei)2000公(gong)(gong)斤、復合肥(fei)10-15公(gong)(gong)斤做(zuo)底肥(fei);在拔節期、開(kai)花期每(mei)畝(mu)追施尿素8-10公(gong)(gong)斤,以滿足(zu)谷(gu)子(zi)對養分(fen)的(de)需(xu)求。方法上采用(yong)集(ji)中溝施,丘陵地區(qu)隨同犁種(zhong)一次施入,緩坡地區(qu)在春季淺耕(geng)時施在犁溝內,隨后及時耙耱鎮壓。根據不同的(de)土壤類型和氣候特(te)點,選(xuan)用(yong)不同的(de)優(you)種(zhong)。這(zhe)里所說的(de)優(you)種(zhong),是(shi)指經過保純(chun)防雜(za)的(de)優(you)良品種(zhong)。只(zhi)有(you)這(zhe)樣才能(neng)減少病蟲害,減輕品種(zhong)的(de)退化,保證產量及品質(zhi)。在我(wo)縣適宜種(zhong)植的(de)優(you)良品種(zhong)主要(yao)有(you)張雜(za)谷(gu)子(zi)3號、張雜(za)谷(gu)子(zi)6號。
3.推廣應用谷(gu)子標準(zhun)化栽培技(ji)(ji)術:開(kai)展平衡測土(tu)施肥,增施腐熟(shu)有機(ji)肥,畝(mu)施腐熟(shu)農(nong)(nong)(nong)家肥2000公斤(jin)。拔(ba)節期畝(mu)追尿(niao)素10公斤(jin),收獲前30天停止(zhi)追肥。采用機(ji)播(bo)或(huo)畜播(bo),結合(he)中耕除草進行留苗(miao)(miao)(miao)、定苗(miao)(miao)(miao),嚴格(ge)依照品種特性(xing)控制留苗(miao)(miao)(miao)密度(du),中等肥力地塊畝(mu)留苗(miao)(miao)(miao)6000-7000株。采用無(wu)害(hai)化病(bing)蟲害(hai)防(fang)(fang)(fang)治(zhi)技(ji)(ji)術,以農(nong)(nong)(nong)業防(fang)(fang)(fang)治(zhi)、物理(li)防(fang)(fang)(fang)治(zhi)、生物防(fang)(fang)(fang)治(zhi)為主,化學防(fang)(fang)(fang)治(zhi)為輔(fu)。加強(qiang)中耕除草、清潔田園,減少(shao)病(bing)蟲源(yuan)基數,發現中心病(bing)株及(ji)時(shi)拔(ba)除。一般情況不施用化學農(nong)(nong)(nong)藥和(he)生物制劑農(nong)(nong)(nong)藥。及(ji)時(shi)收獲,安全貯藏,防(fang)(fang)(fang)止(zhi)污染。?
4.科學(xue)(xue)播(bo)(bo)(bo)種(zhong)(zhong)(zhong),保(bao)(bao)證(zheng)質(zhi)量(liang)(liang):一般(ban)我縣(xian)在4月(yue)25日至5月(yue)5日播(bo)(bo)(bo)種(zhong)(zhong)(zhong),播(bo)(bo)(bo)種(zhong)(zhong)(zhong)方式(shi)可(ke)采(cai)(cai)用耬(lou)播(bo)(bo)(bo)或機(ji)播(bo)(bo)(bo)。為(wei)了延長生育期,達到增(zeng)溫保(bao)(bao)墑增(zeng)產提高品(pin)質(zhi)的(de)作(zuo)用,采(cai)(cai)用地膜(mo)覆蓋(gai)技(ji)術。覆蓋(gai)時(shi)用拖(tuo)拉機(ji)懸掛2BP-2型(xing)鋪膜(mo)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)機(ji),采(cai)(cai)用寬70厘米(mi),厚0.005-0.007厘米(mi)的(de)微(wei)膜(mo)覆蓋(gai),1.2米(mi)一帶,一膜(mo)雙行,每畝3500窩。采(cai)(cai)用半(ban)精量(liang)(liang)播(bo)(bo)(bo)種(zhong)(zhong)(zhong),畝用0.3公(gong)(gong)斤(jin)谷(gu)種(zhong)(zhong)(zhong),與2公(gong)(gong)斤(jin)熟(shu)黃(huang)芥混(hun)合(he)種(zhong)(zhong)(zhong)植,一窩保(bao)(bao)苗3株(zhu)。在測(ce)土配方施肥技(ji)術的(de)大(da)力(li)支(zhi)撐下科學(xue)(xue)掌握谷(gu)子(zi)的(de)養分需求,根據我縣(xian)實際(ji)情況,張雜3號谷(gu)子(zi)籽(zi)粒(li)全(quan)氮含量(liang)(liang)為(wei)1.3408%、全(quan)磷(lin)含量(liang)(liang)為(wei)0.1832%、全(quan)鉀含量(liang)(liang)為(wei)0.49%,每形成100公(gong)(gong)斤(jin)籽(zi)粒(li)所需純氮2.36公(gong)(gong)斤(jin)、磷(lin)1.17公(gong)(gong)斤(jin)、鉀1.68公(gong)(gong)斤(jin),做到因地制宜,按照地力(li)條件和品(pin)種(zhong)(zhong)(zhong)特性確定(ding)合(he)理密度(du),一般(ban)畝留苗0.8萬株(zhu),以確保(bao)(bao)產量(liang)(liang)及米(mi)質(zhi)。
5.加強田間(jian)(jian)管理:我(wo)縣谷(gu)子(zi)(zi)一般(ban)在中(zhong)(zhong)等肥力水平的(de)地(di)塊上種(zhong)植。特別是(shi)稍粘(zhan)重土壤在播后(hou)遇雨時(shi)就會(hui)形成膜孔板(ban)結,要及(ji)時(shi)放(fang)苗(miao)(miao),防(fang)止(zhi)(zhi)造(zao)成嚴重的(de)缺苗(miao)(miao)斷(duan)壟。谷(gu)子(zi)(zi)出苗(miao)(miao)后(hou)30-50天內地(di)表未被(bei)覆蓋,此時(shi)氣候干燥,雜(za)草也(ye)正是(shi)盛發時(shi)期,谷(gu)子(zi)(zi)此時(shi)根(gen)系(xi)生長(chang)較(jiao)強,地(di)上部分(fen)卻生長(chang)緩慢,這時(shi)應抓緊時(shi)間(jian)(jian)中(zhong)(zhong)耕除草,鋤(chu)凈壟間(jian)(jian)雜(za)草,防(fang)止(zhi)(zhi)雜(za)草和幼(you)苗(miao)(miao)爭奪養分(fen),抑制幼(you)苗(miao)(miao)生長(chang)。
6.提高認識,防(fang)病(bing)防(fang)蟲:目前,由于抗病(bing)品種的推廣(guang),谷子病(bing)害基(ji)本可以(yi)控制。病(bing)害防(fang)治一般(ban)采用(yong)物理防(fang)治的辦法(fa)以(yi)確(que)保小(xiao)米的綠(lv)色無公害。
7.適期收(shou)獲:一(yi)般要待到谷穗(sui)95%以上籽粒(li)發黃再收(shou)割,防止因收(shou)割較早而影響(xiang)到小米的品質(zhi)。