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明前茶，貴如金？茶葉機(jī)械化推廣助力茶業(yè)發(fā)展

2019-04-03 16:48:12 來(lái)源：中國(guó)農(nóng)機(jī)網(wǎng)原創(chuàng) 作者：四夕 閱讀量：46927 評(píng)論

導(dǎo)讀：俗話說(shuō)“明前茶，貴如金”，清明節(jié)前采制的茶葉受蟲害侵?jǐn)_較少，因而芽葉細(xì)嫩，同時(shí)，茶葉內(nèi)氨基酸的含量相對(duì)后期的茶更高，而具有苦澀味的茶多酚相對(duì)較低，這時(shí)的茶葉口感香而味醇，是茶中佳品。但也由于清明前氣溫普遍較低導(dǎo)致發(fā)芽數(shù)量有限，生長(zhǎng)速度較慢，能夠達(dá)到采摘標(biāo)準(zhǔn)的產(chǎn)量很少，因此，明前茶才顯得更加“物以稀為貴”。

　　【中國(guó)農(nóng)機(jī)網(wǎng) 編輯視角】俗話說(shuō)“明前茶，貴如金”，清明節(jié)前采制的茶葉受蟲害侵?jǐn)_較少，因而芽葉細(xì)嫩，同時(shí)，茶葉內(nèi)氨基酸的含量相對(duì)后期的茶更高，而具有苦澀味的茶多酚相對(duì)較低，這時(shí)的茶葉口感香而味醇，是茶中佳品。但也由于清明前氣溫普遍較低導(dǎo)致發(fā)芽數(shù)量有限，生長(zhǎng)速度較慢，能夠達(dá)到采摘標(biāo)準(zhǔn)的產(chǎn)量很少，因此，明前茶才顯得更加“物以稀為貴”。
 
　　其實(shí)，明前茶是我國(guó)長(zhǎng)江流域江南茶區(qū)按節(jié)氣對(duì)不同階段春對(duì)茶的稱呼，主要包括浙江、湖南、江西、安徽南部、江蘇南部以及湖北南部等，明前茶主要的品類是綠茶及少量的紅茶?？梢哉f(shuō)，茶葉的采摘時(shí)間與茶葉成品質(zhì)量息息相關(guān)，因此也有“早采三天是個(gè)寶，遲采三天便是草”的說(shuō)法。筆者身為農(nóng)機(jī)行業(yè)的一員，提到茶，自然要說(shuō)茶產(chǎn)業(yè)機(jī)械化。
 
　　茶產(chǎn)業(yè)機(jī)械化發(fā)展現(xiàn)狀
 
　　傳統(tǒng)的茶樹采摘主要以人工采茶為主，可以盡量保持芽葉完整、新鮮、勻凈，但是卻費(fèi)工費(fèi)時(shí)費(fèi)力，不僅采摘成本高，而且難以做到及時(shí)采摘。就當(dāng)前我國(guó)茶產(chǎn)業(yè)發(fā)展?fàn)顩r來(lái)說(shuō)，其實(shí)真正純手工茶已經(jīng)很少了，在制茶流程中，電力殺青機(jī)、揉捻機(jī)的應(yīng)用愈加廣泛，半手工半機(jī)械制茶成為國(guó)內(nèi)目前普遍的生產(chǎn)方式。
 
　　目前國(guó)內(nèi)茶葉機(jī)械一般主要是茶葉殺青機(jī)、揉捻機(jī)、理?xiàng)l機(jī)、烘干機(jī)、扁茶炒制機(jī)等單機(jī)產(chǎn)品，更加適用于小型茶葉加工廠和加工農(nóng)戶。這些茶葉機(jī)械在部分環(huán)節(jié)減輕了人工的耗費(fèi)，更加注重“標(biāo)準(zhǔn)”與“效率”。
 
　　但是對(duì)標(biāo)茶產(chǎn)業(yè)的國(guó)家，我們不難發(fā)現(xiàn)國(guó)內(nèi)的茶產(chǎn)業(yè)全自動(dòng)化生產(chǎn)還較為薄弱。全自動(dòng)化的茶葉生產(chǎn)方式，進(jìn)一步將傳統(tǒng)技藝和現(xiàn)代機(jī)械相結(jié)合。不僅僅是采茶機(jī)，整套茶葉加工設(shè)備還包括了茶葉的萎凋、殺青、揉捻、理?xiàng)l、分篩、烘焙、提香等茶葉加工單機(jī)，從鮮葉進(jìn)廠開始，整個(gè)加工過(guò)程全部連續(xù)化、自動(dòng)化生產(chǎn)。目前，我國(guó)也有一些大型茶企引用了全自動(dòng)化生產(chǎn)線，但數(shù)量不多。
 
　　茶葉機(jī)械化發(fā)展深受掣肘
 
　　我國(guó)的茶園大多分布在丘陵山區(qū)，土壤中石塊較多、田間無(wú)機(jī)械掉頭區(qū)域、道路狹窄等問(wèn)題普遍存在，茶園基礎(chǔ)設(shè)施制約了機(jī)械化耕作，綜合機(jī)械化作業(yè)水平甚至不足10%，生產(chǎn)效率低下。
 
　　適用機(jī)械的缺乏則是制約茶葉機(jī)械化發(fā)展的主要原因，當(dāng)前我國(guó)農(nóng)業(yè)機(jī)械化發(fā)展快速，但是發(fā)展不平衡不充分的問(wèn)題依然存在。主要糧食作物耕種管收綜合機(jī)械化率已經(jīng)超過(guò)了80%，但是棉油糖、果菜茶等經(jīng)濟(jì)作物的綜合機(jī)械化水平依然較低?，F(xiàn)有市場(chǎng)形似產(chǎn)品橫行，新產(chǎn)品創(chuàng)新動(dòng)力不足；與此同時(shí)，種植模式的多樣性也為農(nóng)機(jī)農(nóng)機(jī)融合增添了難度，現(xiàn)有的茶葉機(jī)械尚無(wú)法滿足茶農(nóng)多樣化、層次化需求；相關(guān)專業(yè)制造企業(yè)較少，難以形成配套能力高的產(chǎn)業(yè)集群，品牌效益和規(guī)模效益都比較薄弱。
 
　　究其根本，很重要一個(gè)原因就是價(jià)格戰(zhàn)和粗放式生產(chǎn)，導(dǎo)致茶葉科技含量不足，為追求經(jīng)濟(jì)利益，制造商和使用方勢(shì)必會(huì)更加關(guān)心價(jià)格，壓縮成本，這也進(jìn)一步導(dǎo)致了茶機(jī)產(chǎn)品實(shí)用性不高。另一方面，茶農(nóng)普遍老齡化，對(duì)于新知識(shí)和新技術(shù)的學(xué)習(xí)動(dòng)力和能力均有所下降，不利于茶園全程機(jī)械化生產(chǎn)技術(shù)推廣。而以小農(nóng)戶為主的茶葉生產(chǎn)組織方式也影響著機(jī)械的普及和應(yīng)用，“人均一畝三分地”的現(xiàn)實(shí)也就意味著專門購(gòu)買機(jī)具的話成本高、利用率低，茶農(nóng)對(duì)于機(jī)械的需求自然也就有所下降。
 
　　茶葉機(jī)械化推廣助力茶產(chǎn)業(yè)發(fā)展
 
　　茶葉全程機(jī)械化發(fā)展深受掣肘的很大一部分原因就是茶農(nóng)們思想上的局限性，對(duì)此，多地展開相關(guān)茶葉機(jī)械化加工培訓(xùn)會(huì)，研究部署加快推進(jìn)果菜茶生產(chǎn)機(jī)械化工作。相關(guān)工作人員結(jié)合當(dāng)?shù)夭枞~生產(chǎn)現(xiàn)狀，通過(guò)對(duì)茶葉栽培田間管理機(jī)械化技術(shù)的培訓(xùn)推廣，促進(jìn)農(nóng)戶對(duì)茶葉生產(chǎn)機(jī)械化的認(rèn)識(shí)和了解，有的地區(qū)還現(xiàn)場(chǎng)演示了茶葉生產(chǎn)無(wú)人機(jī)植保、機(jī)械化除草、修剪、中耕施肥、機(jī)械化采摘作業(yè)，并結(jié)合作業(yè)過(guò)程，現(xiàn)場(chǎng)講解了農(nóng)機(jī)安全操作注意事項(xiàng)。
 
　　據(jù)浙江省云和縣農(nóng)機(jī)站消息，得益于機(jī)械化生產(chǎn)意識(shí)的轉(zhuǎn)變，以及利好政策的進(jìn)一步推動(dòng)，在春節(jié)后短短十天，云和縣石塘鎮(zhèn)茶農(nóng)就共購(gòu)置了茶葉加工機(jī)械300多臺(tái)，是上年度全年購(gòu)機(jī)的2倍以上。
 
　　可以說(shuō)，云和縣茶產(chǎn)業(yè)的發(fā)展正是我國(guó)茶葉主產(chǎn)區(qū)的一個(gè)縮影。農(nóng)業(yè)農(nóng)村部對(duì)于推進(jìn)果菜茶生產(chǎn)機(jī)械化方便的不斷嘗試，也意味著我國(guó)農(nóng)業(yè)機(jī)械化生產(chǎn)在基本實(shí)現(xiàn)主要糧食作物機(jī)械化的背景下，繼而向丘陵山區(qū)機(jī)械化發(fā)起攻勢(shì)后，又開始向果菜茶機(jī)械化生產(chǎn)發(fā)力，對(duì)于茶產(chǎn)業(yè)機(jī)器換人具有重要意義。

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