農(nong)(nong)藥(yao)(yao),目前(qian)世界上統(tong)一名為(wei)“殺害(hai)藥(yao)(yao)劑”,但(dan)實際上所謂的農(nong)(nong)藥(yao)(yao)系指用于防治(zhi)危害(hai)農(nong)(nong)林牧業生產的有害(hai)生物(wu)和調節植物(wu)生長(chang)(chang)的化學藥(yao)(yao)品和生物(wu)藥(yao)(yao)品。通(tong)常(chang)把用于衛生及改善有效成(cheng)分物(wu)化性(xing)質的各種助劑也包括在內。最早使(shi)用的農(nong)(nong)藥(yao)(yao)有滴(di)滴(di)涕(ti)、六六六等,它們能大(da)量消滅(mie)害(hai)蟲(chong)。但(dan)它們的穩定性(xing)好(hao),能在環(huan)境中長(chang)(chang)期存(cun)在,并在動植物(wu)及人體中不(bu)斷積累,為(wei)此被淘(tao)汰。 后來改用有機(ji)磷農(nong)藥(yao),如敵敵畏等(deng),替(ti)代最初的(de)農(nong)藥(yao)。 然而它們的(de)毒性(xing)太大,對人(ren)畜的(de)危害很(hen)大。近年來,一批高效低毒的(de)農(nong)藥(yao)出現,現在人(ren)們已經找到了具(ju)有專一性(xing)的(de)農(nong)藥(yao),即激(ji)素類農(nong)藥(yao)。
為了保證農(nong)(nong)(nong)產品(pin)(pin)質量安(an)全,選擇(ze)農(nong)(nong)(nong)藥(yao)(yao)產品(pin)(pin)顯得尤為重要,目(mu)(mu)前,市場上的農(nong)(nong)(nong)藥(yao)(yao)品(pin)(pin)種繁多,農(nong)(nong)(nong)藥(yao)(yao)質量參差不齊,防治對(dui)象也有(you)很大(da)(da)差異,因此,一定要根據所(suo)要防治的對(dui)象選擇(ze)農(nong)(nong)(nong)藥(yao)(yao),做到對(dui)癥用藥(yao)(yao),避(bi)免盲目(mu)(mu)用藥(yao)(yao),不同的病蟲(chong)草害防治適(shi)期一般情況可根據當地農(nong)(nong)(nong)業(ye)部門的預測預報來(lai)確定。另外提醒大(da)(da)家,農(nong)(nong)(nong)藥(yao)(yao)是有(you)毒(du)品(pin)(pin),在使(shi)用過程中時刻(ke)注意對(dui)自身的安(an)全防護,防(fang)止引起(qi)人員中毒(du)。要穿戴必要的防(fang)護服、口罩等防(fang)護用(yong)具;施(shi)藥(yao)期(qi)間禁止吸煙、進食(shi)和(he)飲水;施(shi)藥(yao)時,要站(zhan)在上風向,實(shi)行(xing)作物隔行(xing)施(shi)藥(yao);施(shi)藥(yao)后及時更(geng)換服裝,清(qing)洗(xi)身體。