滴灌是節水灌溉的一種模式,因其省水、節約肥料、不(bu)破(po)壞(huai)土(tu)壤(rang)結(jie)構(gou)等(deng)優(you)勢(shi)被(bei)一(yi)些(xie)菜(cai)農(nong)所(suo)接(jie)受(shou),然(ran)而(er)也(ye)有(you)很(hen)多(duo)菜(cai)農(nong)反(fan)映(ying)滴(di)灌(guan)不(bu)好(hao)用(yong),不(bu)如(ru)大(da)水(shui)漫(man)灌(guan)好(hao)。這(zhe)可(ke)能(neng)是(shi)某(mou)些(xie)菜(cai)農(nong)使(shi)用(yong)方(fang)法(fa)不(bu)當(dang)造(zao)成(cheng)的(de),要(yao)想(xiang)用(yong)好(hao)滴(di)灌(guan),有(you)四(si)點(dian)要(yao)注(zhu)意(yi)。
管道與水泵壓力要配套
diguanxuyaoshuibengdeyaliyuguandaosuochengzaideyaliwenhe,fouzehuichuxianbaoguanhuoyalibuzudeqingkuang。henduocainongmeiyougenjuzijipengshidechangduanlaixuangouheshideguandao,jieguoyoudebunengchengshoushuibengdeyali,youdedabudaozugoudeyali,shipengshiliangtoujiaoshuibujunyun。
肥料使用要合理
shiyongdiguanjiaoshuishifeishi,bushaocainongxuanzeleshuirongxingfeiliao,danshizaishifeishimeiyoujinxingguolv,shijianyichangdaozhiguandaokouzusai。yincishiyongdiguanjinxingjiaoshuishifeishi,bunengjiarunanrongyushuihuoburongyushuidefeiliao,duiyushuirongxinghuoquanshuirongxingfeiliaoyeyingfangzainilongwanghuogangsiwangneirongjieguolv。
清洗要徹底
滴(di)灌(guan)每(mei)使(shi)用(yong)一(yi)段(duan)時(shi)間(jian),主(zhu)管(guan)和(he)滴(di)灌(guan)帶(dai)至(zhi)少(shao)應(ying)衝(chong)洗(xi)一(yi)次(ci),水(shui)質(zhi)越(yue)差(cha),衝(chong)洗(xi)的(de)次(ci)數(shu)應(ying)越(yue)多(duo)。在(zai)滴(di)灌(guan)係(xi)統(tong)中(zhong),汙(wu)物(wu)常(chang)集(ji)中(zhong)在(zai)管(guan)道(dao)的(de)末(mo)端(duan),清(qing)洗(xi)主(zhu)管(guan)道(dao)時(shi),關(guan)閉(bi)所(suo)有(you)次(ci)級(ji)管(guan)道(dao)閥(fa)門(men),打(da)開(kai)末(mo)端(duan),衝(chong)洗(xi)5分鍾;清洗滴灌帶時,打開滴灌帶的末端,衝洗約1分鍾,直至流出的是清水。定期衝洗網式過濾器,要保持過濾器的暢通。
存儲環境要適宜
有(you)些(xie)菜(cai)農(nong)反(fan)映(ying)換(huan)茬(cha)後(hou)滴(di)灌(guan)帶(dai)一(yi)側(ce)出(chu)現(xian)了(le)不(bu)少(shao)裂(lie)口(kou),質(zhi)量(liang)不(bu)好(hao)是(shi)原(yuan)因(yin)之(zhi)一(yi),但(dan)是(shi)存(cun)儲(chu)時(shi)也(ye)應(ying)注(zhu)意(yi),將(jiang)設(she)備(bei)拆(chai)除(chu)後(hou)妥(tuo)善(shan)保(bao)存(cun)在(zai)陰(yin)涼(liang)處(chu),而(er)不(bu)是(shi)簡(jian)單(dan)地(di)往(wang)鐵(tie)絲(si)上(shang)一(yi)掛(gua)。夏(xia)季(ji)不(bu)用(yong)時(shi),應(ying)全(quan)部(bu)收(shou)起(qi)放(fang)到(dao)避(bi)光(guang)和(he)溫(wen)度(du)較(jiao)低(di)的(de)地(di)方(fang)保(bao)存(cun),再(zai)用(yong)時(shi)要(yao)檢(jian)查(zha)是(shi)否(fou)破(po)裂(lie)漏(lou)水(shui)或(huo)堵(du)塞(sai),維(wei)修(xiu)後(hou)再(zai)重(zhong)新(xin)布(bu)設(she)。
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