蒜黃食餐桌上一道開胃輔菜,那如何保鮮蒜黃其口感與營養價值呢?
蒜(suan)黃是利用(yong)大蒜(suan)鱗莖在黑(hei)暗(an)條(tiao)件下進行軟化栽培生(sheng)(sheng)(sheng)產的(de)一種(zhong)無公害、無農(nong)藥殘留的(de)純凈(jing)蔬(shu)菜。蒜(suan)黃色澤艷黃,蒜(suan)香濃郁(yu),鮮(xian)嫩尚口,營養豐富,是廣(guang)大消費者餐桌上一道開胃輔(fu)菜,市場經久不(bu)衰。蒜(suan)黃生(sheng)(sheng)(sheng)產周期(qi)短(duan),對溫度適(shi)應范(fan)圍廣(guang),在10℃—30℃條(tiao)件下均(jun)(jun)能生(sheng)(sheng)(sheng)長,除寒冬、三(san)伏天外,初春、初夏、秋、初冬都可(ke)(ke)生(sheng)(sheng)(sheng)產。操作技術簡便,規模可(ke)(ke)大可(ke)(ke)小,大田(tian)、閑置空房等陰涼通風(feng)場所均(jun)(jun)能安排(pai)生(sheng)(sheng)(sheng)產。其(qi)栽培技術要點如下:

茬口(kou)安排及(ji)場地(di)建設—大田除仲夏和初秋交口(kou)外,在適宜溫(wen)度(du)范圍茬口(kou)均能安排栽培(pei),也可根據市場供應需求確定茬口(kou)。單晚(wan)或(huo)中稻茬,春(chun)玉米(mi)(mi)茬后(hou)的(de)季節,一般8月下(xia)旬至次(ci)年5月份(fen),選(xuan)擇(ze)戶外遮(zhe)(zhe)蔭或(huo)空內(nei)陰涼(liang)通風(feng)場所(suo),初冬(dong)或(huo)早春(chun)外界氣溫(wen)低,種(zhong)植(zhi)(zhi)地(di)應選(xuan)擇(ze)背風(feng)向(xiang)陽保(bao)暖(nuan)處(chu)。生產蒜黃首先要遮(zhe)(zhe)光(guang)。大田生產必須精(jing)細整(zheng)地(di),畦寬1米(mi)(mi),然后(hou)用木樁或(huo)竹子(zi)搭拱起高60厘(li)米(mi)(mi)-70厘(li)米(mi)(mi)的(de)棚(peng)(peng)架(jia),并覆蓋黑色(se)棚(peng)(peng)膜或(huo)內(nei)草簾遮(zhe)(zhe)光(guang)。大棚(peng)(peng)種(zhong)植(zhi)(zhi)母棚(peng)(peng)遮(zhe)(zhe)光(guang)嚴密或(huo)覆蓋草簾、子(zi)棚(peng)(peng)內(nei)避光(guang)性要好(hao)。零星種(zhong)植(zhi)(zhi)如因陋就簡,遮(zhe)(zhe)光(guang)材料要選(xuan)好(hao)。大棚(peng)(peng)內(nei)為(wei)了充分(fen)利(li)用空間,據具體情況做多(duo)層(ceng)床(chuang)架(jia)式苗圃。每層(ceng)床(chuang)架(jia)相距70厘(li)米(mi)(mi)—90厘(li)米(mi)(mi),基部為(wei)高20厘(li)米(mi)(mi)的(de)種(zhong)植(zhi)(zhi)床(chuang)圃。床(chuang)底鋪碎秸稈,上面鋪10厘(li)米(mi)(mi)-12厘(li)米(mi)(mi)的(de)腐熟(shu)、松蔬的(de)菜園土即可。
種(zhong)(zhong)(zhong)(zhong)蒜(suan)(suan)(suan)及蒜(suan)(suan)(suan)種(zhong)(zhong)(zhong)(zhong)芽(ya)(ya)前(qian)(qian)處(chu)理(li)目(mu)前(qian)(qian)市場蒜(suan)(suan)(suan)種(zhong)(zhong)(zhong)(zhong)優(you)劣(lie)不(bu)齊;有部份(fen)蒜(suan)(suan)(suan)通過(guo)抑制芽(ya)(ya)萌發的(de)(de)(de)化學(xue)處(chu)理(li),不(bu)能正(zheng)(zheng)常播(bo)種(zhong)(zhong)(zhong)(zhong),必須低溫(wen)存(cun)放(fang)一(yi)段(duan)時(shi)間,選(xuan)(xuan)擇種(zhong)(zhong)(zhong)(zhong)蒜(suan)(suan)(suan)要選(xuan)(xuan)擇單訂種(zhong)(zhong)(zhong)(zhong)蒜(suan)(suan)(suan),必須選(xuan)(xuan)用鱗(lin)莖大,分瓣少(shao)的(de)(de)(de)優(you)良白皮品種(zhong)(zhong)(zhong)(zhong),避免(mian)病蟲害腐爛、瘦弱(ruo)、有機械損傷(shang)的(de)(de)(de)蒜(suan)(suan)(suan)瓣作種(zhong)(zhong)(zhong)(zhong)。蒜(suan)(suan)(suan)黃生長所需營養主要來自大蒜(suan)(suan)(suan)鱗(lin)莖的(de)(de)(de)供應(ying),選(xuan)(xuan)好種(zhong)(zhong)(zhong)(zhong)蒜(suan)(suan)(suan)是關(guan)鍵。大蒜(suan)(suan)(suan)必須有3個左右月(yue)的(de)(de)(de)休(xiu)眠期,為打破休(xiu)眠,促(cu)進(jin)萌芽(ya)(ya),提(ti)前(qian)(qian)生長,播(bo)前(qian)(qian)必須進(jin)行(xing)低溫(wen)處(chu)理(li)。具體做(zuo)法是:剝除鱗(lin)莖的(de)(de)(de)外包(bao)皮和基盤,以(yi)利(li)于(yu)水分吸收和空氣交(jiao)換。9月(yue)份(fen)前(qian)(qian)播(bo)種(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)種(zhong)(zhong)(zhong)(zhong)蒜(suan)(suan)(suan),要進(jin)行(xing)o℃-5℃的(de)(de)(de)暗黑低溫(wen)處(chu)理(li),才(cai)能打破休(xiu)眠,正(zheng)(zheng)常出(chu)芽(ya)(ya),播(bo)前(qian)(qian)還(huan)應(ying)用清(qing)水浸(jin)24小時(shi),便于(yu)充(chong)分吸水,用20000倍(bei)赤霉素溶液浸(jin)種(zhong)(zhong)(zhong)(zhong)可加速(su)發芽(ya)(ya)生長。
操作(zuo)及管理(li)為充分利用空間和土地,播種時可密植(zhi)(zhi)(zhi)擺排,蒜(suan)瓣緊(jin)挨,在畦床上(shang)不留(liu)空隙。1平方米可用種12千克(ke)(ke)-14千克(ke)(ke),種后隨即用細砂土覆(fu)蓋(gai),澆(jiao)(jiao)透(tou)水(shui)(shui)(shui),約(yue)露頭,需補蓋(gai)土。然后蓋(gai)好遮光覆(fu)蓋(gai)物(wu)(wu)。蒜(suan)黃主(zhu)要(yao)(yao)利用母體(ti)貯存的(de)養分轉化(hua)形成嫩(nen)鮮(xian)的(de)莖葉(xie)供食(shi)用。管理(li)的(de)關(guan)鍵(jian)是(shi)適時定量(liang)(liang)澆(jiao)(jiao)水(shui)(shui)(shui),控(kong)制(zhi)好土壤(rang)(rang)溫度(du),促進基葉(xie)迅速生(sheng)長(chang)(chang)。種植(zhi)(zhi)(zhi)后立即澆(jiao)(jiao)水(shui)(shui)(shui),維持(chi)較高(gao)溫度(du),保(bao)證(zheng)迅速出苗(miao)。當(dang)外界氣溫、土壤(rang)(rang)濕(shi)度(du)均適宜,蒜(suan)苗(miao)生(sheng)長(chang)(chang)狀況較好,宜小水(shui)(shui)(shui)淺澆(jiao)(jiao)、勤澆(jiao)(jiao)。控(kong)制(zhi)溫度(du)過(guo)高(gao),空氣、地表(biao)濕(shi)度(du)過(guo)大,否則常(chang)(chang)易發生(sheng)腐爛、霉變現象;土壤(rang)(rang)過(guo)于干燥葉(xie)片生(sheng)長(chang)(chang)緩慢(man)影響產(chan)品(pin)產(chan)量(liang)(liang)和品(pin)質(zhi),因此(ci)適宜的(de)溫度(du)非常(chang)(chang)重要(yao)(yao)。收獲前的(de)適量(liang)(liang)澆(jiao)(jiao)水(shui)(shui)(shui),既保(bao)證(zheng)產(chan)品(pin)新鮮(xian)、產(chan)量(liang)(liang),又(you)可為收割后的(de)繼續生(sheng)長(chang)(chang)打下基礎。澆(jiao)(jiao)水(shui)(shui)(shui)時也可加入(ru)800倍左右的(de)高(gao)效性的(de)有機、無機化(hua)合物(wu)(wu)液面營養液來激(ji)化(hua)生(sheng)物(wu)(wu)酶以治理(li)生(sheng)理(li)障礙,使植(zhi)(zhi)(zhi)株粗壯,并增強抗(kang)旱(han)、抗(kang)寒(han)能力,提高(gao)品(pin)質(zhi),提前早熟。
收(shou)割和分揀(jian)在(zai)萌發(fa)期間的適宜溫(wen)濕(shi)度范圍內,溫(wen)濕(shi)度愈高,生長(chang)愈快。種(zhong)(zhong)植(zhi)后(hou)15天(tian)-20天(tian),蒜(suan)黃高30厘(li)米(mi)-40厘(li)米(mi)時(shi),必須(xu)及時(shi)收(shou)割第一次(ci)(ci),間隔(ge)15天(tian)-20天(tian)可(ke)再收(shou),能連(lian)續割2次(ci)(ci)-3次(ci)(ci)。每1千克種(zhong)(zhong)蒜(suan)3次(ci)(ci)可(ke)共收(shou)蒜(suan)黃2.3公斤左右(you),如果種(zhong)(zhong)源(yuan)充足(zu),收(shou)獲2次(ci)(ci)后(hou)重新換種(zhong)(zhong),另(ling)行(xing)種(zhong)(zhong)植(zhi),單位面(mian)積效益較好(hao)。為提高商品率,收(shou)割蒜(suan)黃必須(xu)分揀(jian),達到整(zheng)齊(qi)粗(cu)細一致,剔除病、弱、殘(can)苗,現(xian)割現(xian)包裝運(yun)輸(shu)出售,保持新鮮(xian),長(chang)途(tu)運(yun)輸(shu)或集中成堆,必須(xu)用筐裝并經常(chang)補充水分,避(bi)免(mian)高溫(wen)變爛(lan),過重壓傷(shang),影響(xiang)食(shi)味,降(jiang)低商品外觀。






















