云南防蟲網(wǎng)批發(fā) 信息推薦云南姚前達(dá)溫室大棚工程供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="蔬菜大棚防蟲網(wǎng)來進(jìn)行覆蓋，能夠起到很好的防蟲作用，云南防蟲網(wǎng)批發(fā)，并且還有一個(gè)非常明顯的作用就是能夠起到良好的調(diào)節(jié)作用。那么，其調(diào)節(jié)作用主要體現(xiàn)為哪些方面呢？這就是小編想要跟大家來介紹的一個(gè)問題。蔬菜大棚防蟲網(wǎng)的調(diào)節(jié)作用，云南防蟲網(wǎng)批發(fā)，其"><meta name="keywords" content="云南防蟲網(wǎng)批發(fā),防蟲網(wǎng)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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</span><div id="2pdvx8p" class="searchbox"><div id="rmhzwtn" class="searchLt"><div id="7xpmoa7" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="uxifhoi" class="clearfix searchWrap"><div id="kyqs38i" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="bpmeyfr" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a 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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/28/10/637105323572604769_ynzd169_2678106.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="znkz7oj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/28/10/637105323572604769_ynzd169_2678106.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8ahwn72" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>云南防蟲網(wǎng)批發(fā),防蟲網(wǎng)</p><p><span>***更新：</span>2020-06-12 10:12:13</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7d7dvmt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南姚前達(dá)溫室大棚工程有限公司</a></p><p><span>聯(lián)系人：</span>姚前達(dá)</p><p><span>郵箱: </span>805320623@qq.com</p><p><span>電話: </span>13629667022</p><p><span>傳真: </span>0871_66011811</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0871-66011811</p><p><span>地址: </span>云南省昆明市呈貢區(qū)殷聯(lián)社區(qū)練尾棚村C3號(hào)大棚</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="haxu3q2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7edprta" class="box"><p><p style="text-indent:25px">蔬菜大棚防蟲網(wǎng)來進(jìn)行覆蓋，能夠起到很好的防蟲作用，云南防蟲網(wǎng)批發(fā)，并且還有一個(gè)非常明顯的作用就是能夠起到良好的調(diào)節(jié)作用。那么，其調(diào)節(jié)作用主要體現(xiàn)為哪些方面呢？這就是小編想要跟大家來介紹的一個(gè)問題。蔬菜大棚防蟲網(wǎng)的調(diào)節(jié)作用，云南防蟲網(wǎng)批發(fā)，其實(shí)是對棚內(nèi)氣溫、土溫的調(diào)節(jié)土溫的調(diào)節(jié)還有空氣濕度和土壤濕度的調(diào)節(jié)，簡而言之，也就是溫度和濕度的調(diào)節(jié)。在炎熱的7至8月，在25目白色防蟲網(wǎng)中，云南防蟲網(wǎng)批發(fā)，早晨和傍晚的氣溫與露地持平，而晴天中午比露地低1攝氏度左右，早春3至4月，防蟲網(wǎng)覆蓋棚內(nèi)比露地氣溫高1至2攝氏度，5厘米地溫比露地高，其對于棚內(nèi)環(huán)境的作用那就是在夏季可以有效降溫，在冬季能有效地防止霜凍，遇雨可減少網(wǎng)室內(nèi)的降水量，晴天能降低網(wǎng)室內(nèi)的蒸發(fā)量。防蟲網(wǎng)采用抗紫外線等化學(xué)助劑的聚乙烯為主要原料.云南防蟲網(wǎng)批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南防蟲網(wǎng)批發(fā),防蟲網(wǎng)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/28/10/637105323572604769_ynzd169_2678106.jpg"></div><p> 蔬菜防蟲網(wǎng)以人工構(gòu)建的屏障，將害蟲拒之網(wǎng)外，達(dá)到防蟲、防病保菜的目的。此外，防蟲網(wǎng)反射、折射的光對害蟲還有一定的驅(qū)避作用。1、網(wǎng)目選擇：購買防蟲網(wǎng)時(shí)應(yīng)注意孔徑。蔬菜生產(chǎn)上以20－32目為宜，幅寬1－1．8米。2、防蟲網(wǎng)生產(chǎn)廠家講解防蟲網(wǎng)的使用：小拱棚覆蓋：以竹片或鋼筋彎成拱棚插于大田畦面，將防蟲網(wǎng)覆蓋于拱架上，以后澆水直接澆在網(wǎng)上，一直到采收都不揭網(wǎng)，實(shí)行全封閉覆蓋。大棚覆蓋：將防蟲網(wǎng)直接覆蓋在大棚架上，四周用土或磚壓嚴(yán)壓實(shí)。棚頂壓線要繃緊，以防夏季強(qiáng)風(fēng)掀開。留正門揭蓋，方便出入。平時(shí)進(jìn)出要隨手關(guān)門，以防蝶蛾飛人棚內(nèi)產(chǎn)卵。同時(shí)還要經(jīng)常檢查防蟲網(wǎng)有無撕裂口(特別是使用年限較長的)，一旦發(fā)現(xiàn)應(yīng)及時(shí)修補(bǔ)，確保網(wǎng)室內(nèi)無害蟲侵入。3.防蟲網(wǎng)的作用：由于防蟲網(wǎng)切斷了害蟲這一主要傳毒途徑，因此，**減輕蔬菜***的侵染，防效為80%左右。想要購買蔬菜防蟲網(wǎng)的可以到我公司網(wǎng)站了解詳情，或者電話咨詢也是可以的，聯(lián)系方式：（展經(jīng)理）。保山防蟲網(wǎng)批發(fā)防蟲網(wǎng)通過覆蓋將害蟲拒之網(wǎng)外.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南防蟲網(wǎng)批發(fā),防蟲網(wǎng)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/28/10/637105323552263539_ynzd169_7970684.jpg"></div><p> 綠葉蔬菜是大眾喜食的蔬菜之一,但由于其生長周期短,很容易受到農(nóng)藥的污染,蔬菜防蟲網(wǎng)覆蓋技術(shù)的誕生,為大幅度減少農(nóng)藥使用量和使用次數(shù),生產(chǎn)出無(少)農(nóng)藥污染的綠色蔬菜。但應(yīng)用防蟲網(wǎng)覆蓋栽培技術(shù)時(shí)還應(yīng)注意以下幾點(diǎn)。 1)應(yīng)依據(jù)防蟲網(wǎng)的使用季節(jié)合理選用不同透光率的防蟲網(wǎng)品種。春季和秋季選用透光率較好的防蟲網(wǎng),夏季可選用遮陽效果較好的防蟲網(wǎng)。 2)應(yīng)根據(jù)作物對光照的需求特點(diǎn)選用防蟲網(wǎng)品種。需光性較強(qiáng)的,應(yīng)選擇透光率較高的防蟲網(wǎng),反之,可選用具有遮陽效果的防蟲網(wǎng)。 3)提倡采用單棟管棚側(cè)邊覆蓋防蟲網(wǎng),頂部用頂膜加遮陽網(wǎng)的覆蓋方式。這種覆蓋方式可根據(jù)蔬菜栽培季節(jié)光照的強(qiáng)弱和作物的需光要求,及時(shí)揭蓋遮陽網(wǎng),解決防蟲網(wǎng)覆蓋不能因氣候條件變化和蔬菜生長需求來及時(shí)調(diào)節(jié)透光的矛盾,降低病害及爛菜的發(fā)生。 4)為改善網(wǎng)內(nèi)的通風(fēng)條件,又要確保防蟲網(wǎng)的防蟲效果,全網(wǎng)覆蓋的側(cè)邊應(yīng)選用22目防蟲網(wǎng)。 5)蓋網(wǎng)前要進(jìn)行土壤消毒和化學(xué)除草,以殺死殘留在土壤中的病原菌和蟲卵、雜草等,控制蟲口基數(shù),阻斷害蟲的傳播途徑。這是防蟲網(wǎng)覆蓋。 </p><p> 選用抗熱品種 </p> <p> 防蟲網(wǎng)一般用于夏菜延遲栽培、伏菜栽培和秋菜提前栽培，這期間溫度較高，再加上有的防蟲網(wǎng)會(huì)提高地溫和氣溫，所以宜選用抗熱品種。 </p> <p> 注意防雨澇漬害 </p> <p> 防蟲網(wǎng)覆蓋栽培一般在雨季，所以應(yīng)采用深溝高畦，溝渠配套，能排能灌，防止雨澇漬害。 </p> <p> 搭配殺蟲燈使用 </p> <p> 應(yīng)使用黃板誘蚜、頻振式殺蟲燈等配套防蟲技術(shù)在生產(chǎn)期間較長，如豇豆、番茄等蔬菜的生產(chǎn)中，使用防蟲網(wǎng)覆蓋技術(shù)時(shí)，應(yīng)配套使用黃板誘蚜、頻振式殺蟲燈等技術(shù)。 </p> <p> 注意關(guān)門 </p> <p> 大中棚和溫室，須從門進(jìn)入進(jìn)行農(nóng)事作業(yè)，必須安裝防蟲網(wǎng)，并注意進(jìn)出后立即關(guān)好門。 </p> <p> 妥善使用、保管 </p> <p> 隨時(shí)檢查防蟲網(wǎng)破損情況，及時(shí)堵住漏洞和縫隙。如遇到大風(fēng)天氣，需要拉上壓網(wǎng)線，防止大風(fēng)將網(wǎng)掀開。防蟲網(wǎng)田間使用結(jié)束后，應(yīng)及時(shí)收下，洗凈、晾干、卷好存放，以延長其使用壽命，降低使用成本。防蟲網(wǎng)在使用要注意什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南防蟲網(wǎng)批發(fā),防蟲網(wǎng)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/28/10/637105323537682399_ynzd169_6828960.jpg"></div><p> 現(xiàn)在越來越多的農(nóng)民朋友為自己的蔬菜大棚覆蓋上蔬菜防蟲網(wǎng)，是什么樣的好處吸引著大家去覆蓋防蟲網(wǎng)。1、能有效防蟲。覆蓋防蟲網(wǎng)后，基本上可免除菜青蟲、小菜蛾、蚜蟲等多種蟲害。據(jù)試驗(yàn)，防蟲網(wǎng)對白菜菜青蟲、小菜蛾、豇豆莢螟、美洲斑潛蠅防效為94-97%，對蚜蟲防效為90%。2、可以防病。***傳播會(huì)給溫室大棚種植帶來災(zāi)難性的后果，特別是蚜蟲傳毒。但蔬菜大棚安裝防蟲網(wǎng)后就切斷了害蟲傳毒途徑，**減輕了***病的發(fā)病率，防效為80%左右。3、調(diào)節(jié)氣溫、土溫和濕度。在炎熱的季節(jié)，用白色防蟲網(wǎng)覆蓋溫室大棚，試驗(yàn)表明：炎熱的7-8月，在25目白色防蟲網(wǎng)中，早晨和傍晚的氣溫與露地持平，而晴天中午比露地低1℃左右。早春3-4月，防蟲網(wǎng)覆蓋棚內(nèi)比露地氣溫高1-2℃，5厘米地溫比露地高℃，能有效地防止霜凍。此外防蟲網(wǎng)可阻擋部分雨水落入棚內(nèi)，降低田間濕度，減少發(fā)病，晴天能降低大棚內(nèi)的水分蒸發(fā)量。4、有遮光效果。夏季光照強(qiáng)度大，強(qiáng)光會(huì)***蔬菜營養(yǎng)生長，特別是葉菜類蔬菜，而防蟲網(wǎng)可起到一定的遮光作用，20-22目銀灰色防蟲網(wǎng)一般遮光率在20－25%。防蟲網(wǎng) 具有通風(fēng)等作用.保山大棚防蟲網(wǎng)</p><p style="text-indent:25px">防蟲網(wǎng)的優(yōu)點(diǎn)是拉力強(qiáng)度大、抗熱.云南防蟲網(wǎng)批發(fā)</p><p>農(nóng)用防蟲網(wǎng)一般會(huì)應(yīng)用在蔬菜種植、大棚覆蓋或者是溫室使用，但是農(nóng)用防蟲網(wǎng)在密度上也是有所不同的。一般來說，二針防蟲網(wǎng)的密度為30-60%，此款防蟲網(wǎng)的特點(diǎn)是密度比較低，但是價(jià)格相當(dāng)便宜，幾乎為六針防蟲網(wǎng)的三分之一，三針防蟲網(wǎng)的密度為65-80%，這種防蟲網(wǎng)的比較適合蔬菜使用，它的特點(diǎn)是密度一般，價(jià)格也一般，屬于比較平庸的一種，但是就是這種防蟲網(wǎng)銷量非常之大，四針防蟲網(wǎng)的密度為80-90%，此款防蟲網(wǎng)密度比三針稍密，而比六針防蟲網(wǎng)稀，此款防蟲網(wǎng)應(yīng)該算是三針防蟲網(wǎng)的改進(jìn)版，也可以說是三針防蟲網(wǎng)到六針防蟲網(wǎng)的過渡版，這種防蟲網(wǎng)銷量是所有防蟲網(wǎng)種比較低的。六針防蟲網(wǎng)的密度為85-95%，當(dāng)之無愧的密度，六針防蟲網(wǎng)超高的密度足以傲視所有的防蟲網(wǎng)，高達(dá)95%遮光率，這是其它防蟲網(wǎng)根本無法達(dá)到的高度。農(nóng)用防蟲網(wǎng)密度不同，作用也就不同。云南防蟲網(wǎng)批發(fā)</p><p style="text-indent:25px">云南姚前達(dá)溫室大棚工程有限公司位于云南省昆明市，創(chuàng)立于2018-03-23。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下[ "溫室大棚施工", "溫室大棚設(shè)計(jì)", "大棚施工", "大棚設(shè)計(jì)" ]深受客戶的喜愛。公司將不斷增強(qiáng)企業(yè)核心競爭力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于農(nóng)業(yè)行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，經(jīng)過公司所有人員的努力，公司自2018-03-23成立以來，年?duì)I業(yè)額達(dá)到100-200萬元。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/233232.html</p></div></div></div></div></div><div id="8wipwnu" class="page-right twoColRt"><div id="ktqs2et" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nx838kc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="7r7j2ls" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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