進(jin)入(ru)伏(fu)天(tian),果(guo)樹(shu)管(guan)理(li)也(ye)就(jiu)進(jin)入(ru)了(le)關(guan)鍵(jian)時(shi)期(qi)。這(zhe)一(yi)時(shi)期(qi)的(de)管(guan)理(li)不(bu)僅(jin)關(guan)係(xi)到(dao)果(guo)個(ge)大(da)小(xiao),而(er)且(qie)對(dui)花(hua)芽(ya)分(fen)化(hua)有(you)很(hen)大(da)影(ying)響(xiang)。因(yin)此(ci),做(zuo)好(hao)這(zhe)一(yi)時(shi)期(qi)的(de)管(guan)理(li)工(gong)作(zuo)需(xu)要(yao)注(zhu)意(yi)以(yi)下(xia)三(san)點(dian)。
控水 guogepengdalibukaishui,danhuayafenhuayouyaoqiushuifenbunengtaiduo,yaoshidangkongshui。tianreshi,guoshutongguoyepianshuifenzhengfalaisanre。wenduyuegao,guoshuxushuiliangyueda。ciduanshijianguoshuruguoqueshui,budanguogechangbuda,liewenyeduo。erruguogongshuiguoduo,youbuliyuchenghua。tongshi,guoyuanshidutaida,rongyishoubingjunqinran。yinci,gaibugaijiaoshui,gaijiaoduoshaoshui,guanjianyaokanturangquebuqueshang。ruguoxuyaojiaoshui,zhuyiyaoshiliang,fangzhigangjiaoguoshuihouyouyudayutianqi。
保葉 葉片能夠給果樹提供營養。管理要點是:天旱防蟲、雨(yu)澇(lao)防(fang)病(bing)。天(tian)旱(han),紅(hong)蜘(zhi)蛛(zhu)容(rong)易(yi)造(zao)成(cheng)早(zao)期(qi)落(luo)葉(ye),應(ying)及(ji)早(zao)防(fang)治(zhi)。雨(yu)多(duo),應(ying)噴(pen)殺(sha)菌(jun)藥(yao),防(fang)止(zhi)落(luo)葉(ye)病(bing)菌(jun)造(zao)成(cheng)早(zao)期(qi)落(luo)葉(ye)。各(ge)地(di)果(guo)農(nong)的(de)實(shi)踐(jian)證(zheng)明(ming),強(qiang)盛(sheng)殺(sha)菌(jun)藥(yao)防(fang)落(luo)葉(ye)效(xiao)果(guo)好(hao),但(dan)降(jiang)雨(yu)後(hou)噴(pen)藥(yao)應(ying)減(jian)少(shao)水(shui)的(de)比(bi)例(li),否(fou)則(ze)殺(sha)菌(jun)效(xiao)果(guo)不(bu)好(hao)。總(zong)之(zhi),三(san)伏(fu)天(tian)打(da)藥(yao),不(bu)能(neng)隔(ge)幾(ji)天(tian)打(da)一(yi)次(ci),而(er)要(yao)視(shi)天(tian)氣(qi)情(qing)況(kuang)而(er)定(ding)。此(ci)外(wai),保(bao)證(zheng)樹(shu)體(ti)通(tong)風(feng)透(tou)光(guang)、盡量不環剝主幹,也是保葉的好方法。合理留果,保證有一個健壯的樹勢,也可以有效防止落葉。
施肥 duiyudaduoshuguoyuanlaishuo,bushinongjiafei,huozhemeinianzhishijigongjindahuafeishibuxingde。yinweidahuafeideyouxiaoqizhiyoulianggeyue,ercishiguogejinrukuaisupengdaqi,huayajinrufenhuaqi,xuyaochongzudeyangfen。yinci,yingshidangzhuifei。helishifei,youliyuguogepengda,yeyouliyuhuayafenhua。rangshu“吃飽喝足”,各種病害自然就少了。
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