zhiwushengchangtiaojiejibixuzaichongzudeshuifeitiaojianxiacainengfahuixianzhudegongxiao,danyoudezhiwushengchangtiaojiejibeichangshangkuadaleyingyongxiaoguo,zhishiyixienonghubaqidangchengfeiliaoshiyong,bacujinzuowushengchangdexiwangjituozaizhiwushengchangtiaojiejishenshang,erbuzaishifei、灌水、中耕、鬆土等常規技術上下工夫,最終影響到植物生長調節劑的應用效果。
誤區二:隨意加大用量
植zhi物wu生sheng長chang調tiao節jie劑ji屬shu激ji素su類lei物wu質zhi,一yi般ban每mei畝mu用yong量liang隻zhi需xu幾ji克ke或huo幾ji毫hao升sheng。但dan有you的de農nong戶hu總zong怕pa用yong量liang少shao了le沒mei有you效xiao果guo,隨sui意yi加jia大da植zhi物wu生sheng長chang調tiao節jie劑ji用yong量liang或huo施shi用yong濃nong度du,這zhe樣yang做zuo不bu但dan不bu能neng促cu進jin植zhi物wu生sheng長chang,反fan而er會hui使shi其qi生sheng長chang受shou到dao抑yi製zhi,嚴yan重zhong的de甚shen至zhi導dao致zhi葉ye片pian畸ji形xing、幹枯脫落、整株死亡。
誤區三:隨意與其他物質混用
植物生長調節劑與化肥、農nong藥yao等deng其qi他ta物wu質zhi能neng否fou混hun用yong,必bi須xu在zai認ren真zhen閱yue讀du產chan品pin說shuo明ming書shu並bing經jing過guo試shi驗yan後hou才cai能neng確que定ding。但dan很hen多duo農nong戶hu在zai施shi用yong植zhi物wu生sheng長chang調tiao節jie劑ji時shi,為wei圖tu省sheng事shi,常chang將jiang其qi隨sui意yi地di與yu化hua肥fei、殺蟲劑、殺菌劑等混用,希望達到同時促進生長或保花保果、補充肥料或防病治蟲作用。但若混合不當會“事倍功半”,甚至“勞而無功”。
誤區四:不看時機,隨時噴施
植物生長調節劑必須在植物生長的關鍵時機 (如黃瓜花芽分化期)施(shi)用(yong),才(cai)能(neng)發(fa)揮(hui)最(zui)大(da)功(gong)效(xiao)。如(ru)果(guo)施(shi)用(yong)時(shi)機(ji)不(bu)當(dang),就(jiu)不(bu)能(neng)收(shou)到(dao)理(li)想(xiang)效(xiao)果(guo),甚(shen)至(zhi)會(hui)產(chan)生(sheng)副(fu)作(zuo)用(yong)。有(you)的(de)農(nong)戶(hu)對(dui)此(ci)認(ren)識(shi)不(bu)足(zu),認(ren)為(wei)無(wu)論(lun)什(shen)麼(me)時(shi)候(hou)噴(pen)施(shi)植(zhi)物(wu)生(sheng)長(chang)調(tiao)節(jie)劑(ji),都(dou)能(neng)夠(gou)起(qi)到(dao)促(cu)進(jin)生(sheng)長(chang)、增產、增收的效果,因此不看時機,隨時噴施,導致噴施效果不佳,有的甚至減產、減收。
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