xingshushichunjikaihuazuizaodeguoshu,erqieshixianhuahouye,huaqixingchengxuyongdeyingyangwuzhikaoqianyinianqiujishutidejileilaiwancheng,suoyiqiujiguanlihaoduiyichundekaihuazuoguoqizhejuzuqingzhongdezuoyong。杏園的秋管應抓好以下三項:
一、疏(shu)技(ji)與(yu)短(duan)截(jie)。杏(xing)樹(shu)是(shi)強(qiang)喜(xi)光(guang)樹(shu)種(zhong),自(zi)身(shen)生(sheng)長(chang)非(fei)常(chang)旺(wang)盛(sheng),很(hen)容(rong)易(yi)形(xing)成(cheng)競(jing)爭(zheng)生(sheng)長(chang)而(er)使(shi)結(jie)果(guo)部(bu)位(wei)外(wai)移(yi),這(zhe)對(dui)形(xing)成(cheng)壯(zhuang)花(hua)和(he)結(jie)果(guo)十(shi)分(fen)不(bu)利(li),所(suo)以(yi)應(ying)在(zai)采(cai)果(guo)後(hou)秋(qiu)管(guan)中(zhong),對(dui)結(jie)果(guo)樹(shu)以(yi)疏(shu)為(wei)主(zhu),采(cai)取(qu)抽(chou)大(da)枝(zhi)、壓ya低di樹shu高gao實shi施shi短duan截jie為wei主zhu的de修xiu剪jian方fang法fa,促cu進jin下xia部bu及ji內nei膛tang抽chou發fa新xin枝zhi,形xing成cheng短duan果guo枝zhi和he花hua束shu狀zhuang果guo枝zhi。當dang然ran,在zai疏shu的de同tong時shi要yao注zhu意yi對dui所suo保bao留liu的de主zhu枝zhi保bao證zheng均jun勻yun分fen布bu打da開kai光guang路lu,對dui個ge別bie可ke留liu而er較jiao直zhi立li的de枝zhi條tiao采cai用yong拉la、墜、別、撐手段,改變枝向,利用空間多結果;對拖地裙枝、病弱枝、過密枝可一並疏除。
二、施肥與灌水。秋季可對杏園每畝追施速效氮肥50-100公斤或尿素30-50公斤,並施磷鉀肥適量,對栽植大樹,可圍樹坑施氮磷鉀三混肥每株3-5公斤,施後遇雨則好,若伏旱秋旱嚴重,可在8-9月力爭澆灌。但要注意樹下根部不能久泡,泡久易傷根。
三、防fang蟲chong與yu保bao葉ye。葉ye片pian是shi果guo樹shu製zhi造zao營ying養yang的de工gong廠chang,完wan整zheng厚hou實shi的de葉ye片pian是shi杏xing樹shu結jie果guo的de保bao證zheng,一yi般ban不bu引yin起qi人ren們men注zhu意yi,伏fu天tian炎yan熱re加jia之zhi秋qiu旱han時shi有you發fa生sheng,容rong易yi招zhao惹re紅hong蜘zhi蛛zhu危wei害hai蔓man延yan,或huo晚wan秋qiu連lian續xu陰yin雨yu,容rong易yi引yin發fa落luo葉ye病bing害hai,致zhi使shi花hua芽ya分fen化hua不bu良liang,可ke及ji時shi用yong噠da蟎man靈ling或huo多duo菌jun靈ling、甲托等農藥混合噴布防病蟲,保護葉片。另外,加噴0.3%尿素對樹體更有好處。
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