meiyizhongnongyaodouyouyidingdebaozhiqi,zaibaozhiqineishiyongcainengquebaoanquanyouxiao。nongzuowuyidanshiyonglechaoguobaozhiqidenongyao,feidanbunengqidaozhibingmiechongdexiaoguo,xiangfanhaihuishibingchonghaichanshengkangyaoxing,yiwufangzhibingchonghaidezuijiashiqi,geifangzhidailaikunnanhuowufafangzhi,gengweizhuyaodeshishinongzuowuchanshengyaohai,zaochengbukemibudehouguo。因此,農民朋友一定要禁止使用過期農藥。那麼,如何避免使用過期農藥呢?
一、選(xuan)購(gou)農(nong)藥(yao)時(shi)看(kan)清(qing)生(sheng)產(chan)日(ri)期(qi)。選(xuan)購(gou)農(nong)藥(yao)一(yi)定(ding)要(yao)到(dao)正(zheng)規(gui)的(de)農(nong)資(zi)單(dan)位(wei)。在(zai)選(xuan)購(gou)時(shi),首(shou)先(xian)要(yao)看(kan)清(qing)所(suo)要(yao)購(gou)買(mai)的(de)農(nong)藥(yao)品(pin)種(zhong),然(ran)後(hou)要(yao)看(kan)清(qing)農(nong)藥(yao)的(de)生(sheng)產(chan)日(ri)期(qi)和(he)產(chan)品(pin)說(shuo)明(ming)書(shu),因(yin)為(wei)農(nong)藥(yao)都(dou)有(you)保(bao)質(zhi)期(qi),如(ru)發(fa)現(xian)超(chao)過(guo)保(bao)質(zhi)期(qi)的(de)農(nong)藥(yao)千(qian)萬(wan)不(bu)要(yao)去(qu)買(mai),接(jie)近(jin)於(yu)保(bao)質(zhi)期(qi)的(de)農(nong)藥(yao),要(yao)盡(jin)量(liang)做(zuo)到(dao)用(yong)多(duo)少(shao)買(mai)多(duo)少(shao),現(xian)買(mai)現(xian)用(yong)。
二、家(jia)中(zhong)剩(sheng)餘(yu)的(de)農(nong)藥(yao)過(guo)了(le)保(bao)質(zhi)期(qi)或(huo)沒(mei)有(you)確(que)鑿(zao)證(zheng)據(ju)證(zheng)明(ming)有(you)效(xiao)的(de)農(nong)藥(yao)也(ye)不(bu)要(yao)使(shi)用(yong)。農(nong)戶(hu)家(jia)中(zhong)如(ru)果(guo)存(cun)有(you)上(shang)年(nian)剩(sheng)餘(yu)農(nong)藥(yao),在(zai)今(jin)年(nian)使(shi)用(yong)前(qian),首(shou)先(xian)要(yao)看(kan)清(qing)標(biao)簽(qian)是(shi)否(fou)完(wan)好(hao),是(shi)否(fou)還(hai)在(zai)保(bao)質(zhi)期(qi)內(nei),如(ru)果(guo)發(fa)現(xian)已(yi)超(chao)過(guo)保(bao)質(zhi)期(qi)的(de)農(nong)藥(yao),奉(feng)勸(quan)還(hai)是(shi)最(zui)好(hao)不(bu)用(yong)。剩(sheng)餘(yu)的(de)農(nong)藥(yao)如(ru)標(biao)簽(qian)脫(tuo)落(luo),無(wu)法(fa)確(que)認(ren)農(nong)藥(yao)品(pin)種(zhong)時(shi),千(qian)萬(wan)不(bu)要(yao)錯(cuo)用(yong)亂(luan)用(yong),以(yi)免(mian)給(gei)農(nong)作(zuo)物(wu)造(zao)成(cheng)藥(yao)害(hai),造(zao)成(cheng)更(geng)大(da)的(de)經(jing)濟(ji)損(sun)失(shi)。
三、剩sheng餘yu農nong藥yao巧qiao保bao管guan。剩sheng餘yu的de農nong藥yao存cun放fang不bu當dang,會hui降jiang低di殺sha蟲chong效xiao果guo,甚shen至zhi產chan生sheng藥yao害hai。因yin此ci,農nong戶hu當dang年nian購gou買mai的de農nong藥yao尚shang未wei用yong完wan,準zhun備bei明ming年nian再zai用yong,在zai保bao管guan過guo程cheng中zhong要yao做zuo到dao以yi下xia幾ji點dian:
1、密封保存。一些農藥易揮發失效,造成空氣汙染,保管時一定要把瓶蓋擰緊,實行密封。
2、保持溫度。大多數粉劑農藥在高溫情況下,其質量容易受影響。溫度越高,農藥越容易融化、分解、huifa,shenzhiranshaobaozha。yixierujinongyaozaiyudaogaowenhou,yehuipohuaiqiruhuaxingneng,jiangdiyaoxiao。eryouxiepingzhuangyetinongyaodangyudaodiwenhoujiedong,xingchengkuaizhuang,huoshipingzizhalie,zaibaoguanzheleinongyaoshiyingbaochishineiwenduzai1℃以上。
3、避光。有些農藥怕光照,長期見光暴曬,會引起農藥分解變質和失效,在保管時要避免高溫和日曬。
4、baochiganzao。fenjinongyaohezhiwutiaojieji,henrongyixichaojiekuai。suoyi,baoguancunfangnongyaodechangsuoyingdangbaochiganzao,yanfanglouyupiaoxue。haiyaoliuyouchuanghu,yibiantongfenghuanqi,baochixiangyingshiduzai75%以下。
5、避免混放。農藥分為堿性、酸性和中性。堿性農藥有敵稗、石硫合劑、波爾多液等;酸性農藥有溴氰菊酯等;中性農藥有克瘟散等。這三種不同性質的農藥,在貯存保管時要隔開存放,距離保持在0.5米以上,否則,會使農藥變質失效。
6、嚴謹混裝。對用當年沒不完的兩種農藥,不能混裝在一個瓶內,以免失效。
四、剩餘農藥貼好標簽。農戶貯存的剩餘農藥一定要有完整的瓶貼,農藥品名、批號、生產日期和保質期的字樣要清晰。對瓶貼損壞的,農戶一定寫好農藥的保質期與使用注意事項,貼在農藥的外包裝上。
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