農藥正確、合理、科ke學xue的de稀xi釋shi方fang法fa是shi節jie約yue資zi金jin,防fang止zhi浪lang費fei,保bao證zheng藥yao效xiao的de一yi個ge重zhong要yao條tiao件jian。現xian對dui各ge種zhong劑ji型xing的de農nong藥yao的de稀xi釋shi方fang法fa,介jie紹shao如ru下xia,以yi便bian農nong民min朋peng友you在zai稀xi釋shi農nong藥yao時shi能neng夠gou正zheng確que地di采cai用yong。
一、粉劑農藥的稀釋方法:一般粉劑農藥在使用時不需稀釋,但當作物植株高大、生sheng長chang茂mao密mi時shi,為wei了le使shi有you限xian的de藥yao劑ji均jun勻yun噴pen灑sa在zai作zuo物wu表biao麵mian,可ke加jia入ru一yi定ding量liang的de填tian充chong料liao,將jiang所suo需xu的de粉fen劑ji農nong藥yao混hun入ru攪jiao拌ban,這zhe樣yang反fan複fu添tian加jia,不bu斷duan拌ban勻yun,直zhi至zhi所suo需xu的de填tian充chong料liao全quan部bu加jia完wan。在zai稀xi釋shi過guo程cheng中zhong一yi定ding要yao注zhu意yi做zuo好hao安an全quan防fang護hu措cuo施shi,以yi免mian發fa生sheng中zhong毒du事shi故gu。
二、可濕性粉劑的稀釋方法:通常也采取兩步配製法,即先用少量水配製成較濃稠的[母液],進(jin)行(xing)充(chong)分(fen)攪(jiao)拌(ban),然(ran)後(hou)再(zai)倒(dao)入(ru)藥(yao)水(shui)桶(tong)中(zhong)進(jin)行(xing)最(zui)後(hou)稀(xi)釋(shi)。因(yin)為(wei)可(ke)濕(shi)性(xing)粉(fen)劑(ji)如(ru)果(guo)質(zhi)量(liang)不(bu)好(hao),粉(fen)粒(li)往(wang)往(wang)團(tuan)聚(ju)在(zai)一(yi)起(qi)形(xing)成(cheng)較(jiao)大(da)的(de)團(tuan)粒(li),如(ru)直(zhi)接(jie)倒(dao)入(ru)藥(yao)水(shui)桶(tong)中(zhong)配(pei)製(zhi),則(ze)粗(cu)粒(li)團(tuan)尚(shang)未(wei)充(chong)分(fen)分(fen)散(san)便(bian)立(li)即(ji)沉(chen)入(ru)水(shui)底(di),這(zhe)時(shi)再(zai)進(jin)行(xing)攪(jiao)拌(ban)就(jiu)比(bi)較(jiao)困(kun)難(nan)。這(zhe)兩(liang)步(bu)配(pei)製(zhi)法(fa)需(xu)要(yao)注(zhu)意(yi)的(de)問(wen)題(ti)是(shi),所(suo)用(yong)的(de)水(shui)量(liang)要(yao)等(deng)於(yu)所(suo)需(xu)用(yong)水(shui)的(de)總(zong)量(liang),否(fou)則(ze),將(jiang)會(hui)影(ying)響(xiang)預(yu)期(qi)配(pei)製(zhi)的(de)藥(yao)液(ye)濃(nong)度(du)。
三、液體農藥的稀釋方法:yaogenjuyaoyexishiliangdeduoshaojiyaojihuoxingdedaxiaoerding。fangzhiyongyeliangshaodekezhijiejinxingxishi,jizaizhunbeihaodepeiyaorongqineishenghaosuoxuyongdeqingshui,ranhoujiangdingliangyaojimanmandaorushuizhong,yongxiaomugunqingqingdijiaobanjunyun,biankegongpenwushiyong。ruguozaidamianjifangzhizhongxupeizhijiaoduodeyaoyeliangshi,zhejiuxuyaocaiyongliangbupeizhifa,qijutizuofashi:先用少量的水,將農藥稀釋成母液,再將配製好的母液按稀釋比例倒入準備好的清水中,攪拌均勻為正。
四、果粒劑農藥的稀釋方法:顆粒劑農藥其有效成分較低,大多在5%yishang,suoyi,kelijikejiezhuyutianchongliaoxishihouzaishiyong,kecaiyongganzaojunyundexiaotulihuotongxinghuaxuefeiliaozuotianchongliao,shiyongshizhiyaojiangkelijiyutianchongliaochongfenbanyunjike。danzaixuanyonghuaxuefeiliaozuoweitianchongliaoshiyidingyaozhuyinongyaohehuafeidesuanjianxing,bimianhunhouyinqinongyaofenjieshixiao。
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