粉劑農藥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)在(zai)粉(fen)劑(ji)農(nong)藥(yao)中(zhong)混(hun)入(ru)一(yi)定(ding)量(liang)的(de)填(tian)充(chong)料(liao)，這(zhe)樣(yang)反(fan)複(fu)添(tian)加(jia)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)。
    可ke濕shi性xing粉fen劑ji通tong常chang也ye采cai取qu兩liang步bu配pei製zhi法fa
，即ji先xian用yong少shao量liang水shui配pei製zhi成cheng較jiao濃nong稠chou的de母mu液ye，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如ru果guo可ke濕shi性xing粉fen劑ji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，若ruo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。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
，兩liang次ci的de用yong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。
    yetinongyaoyaogenjuyaoyexishiliangdeduoshaojiyaojihuoxingdedaxiaoerding。yongyeliangshaodekezhijiejinxingxishi，jizaizhunbeihaodepeiyaorongqineishenghaosuoxuyongdeqingshui，ranhoujiangdingliangyaojimanmandaorushuizhongjiaobanjunyun，jikegongpenwushiyong。ruguoyongyeliangjiaoduoshi，jiuxuyaocaiyongliangbupeizhifa
，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個準備好的清水中，攪拌至均勻為止。
    顆粒劑農藥顆粒劑農藥的有效成分較低
，大多在5％以yi上shang


，所suo以yi需xu要yao借jie助zhu填tian充chong料liao稀xi釋shi。可ke采cai用yong幹gan燥zao均jun勻yun的de小xiao土tu粒li或huo同tong性xing化hua學xue肥fei料liao作zuo填tian充chong料liao，使shi用yong時shi隻zhi要yao將jiang顆ke粒li劑ji與yu填tian充chong料liao充chong分fen拌ban勻yun即ji可ke。但dan在zai選xuan用yong化hua學xue肥fei料liao作zuo為wei填tian充chong料liao時shi一yi定ding要yao注zhu意yi農nong藥yao和he化hua肥fei的de酸suan堿jian性xing必bi須xu要yao一yi致zhi，避bi免mian混hun合he後hou引yin起qi農nong藥yao分fen解jie失shi效xiao。